JP2003272505A - Breaker for wiring - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a breaker for wiring capable of being constructed in a small size while the insulating distance between plug-in terminals is well secured. <P>SOLUTION: The breaker for wiring is structured so that rotary plug terminals 3 capable of being shifted in the vertical position when rotated are installed at the forefront of a case, each plug terminal 3 being composed of a body 4 and an insulating member 5, and the insulating member 5 is equipped with an insulation part 54, 58 or 59, or insulation parts 50a and 50b, and the invention further includes such an arrangement that the case 1 is furnished at its forefront with rotary plug terminals 3 whereto stationary plug terminals 3a are fixed and which can be shifted in the vertical direction and the insulating member 5 of each rotary plug terminal 3 is furnished with an insulation part 50 located between a resilient connection part 41, a strand connection part 43 or strand 60 and a conductive bar passing through a groove 2 in the case 1 and left out of connection. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plug-in type circuit breaker for wiring in which a conductive bar to be connected can be selected by moving a plug terminal.

[0002]

2. Description of the Related Art A circuit breaker used in a single-phase three-wire wiring path needs to be able to change a conductive bar to be connected in order to switch a voltage or balance a load on a line. There is. In the case of a circuit breaker with a normal screw terminal, this requirement can be met by exchanging the connecting metal fittings with the conductive bar, but the plate-shaped conductive bars are arranged in parallel in three rows. In the case of a plug-in type circuit breaker that is connected to a conductive bar with a comb-shaped branch protruding from a flat plate or a flat plate, the plug terminals formed on the front surface of the case of the circuit breaker for wiring are directly inserted and connected. However, plug-in type circuit breakers have been developed that can move the plug terminals up and down in order to change the connected conductive bar.

However, in recent years, plug-in type circuit breakers and distribution boards equipped with the circuit breakers have been required to be small in size, and the insulation distance between the conductive bars has become extremely short, so that the circuit breakers for wiring have been shortened. It has become difficult to ensure the insulation between the respective plug-in terminals in the state of being connected to the adjacent conductive bars provided.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art and to provide a circuit breaker for wiring which can be miniaturized while ensuring an insulation distance between plug-in terminals. It is a thing.

[0005]

SUMMARY OF THE INVENTION The wiring circuit breaker of the present invention, which has been made to solve the above-mentioned problems, is provided with a rotary plug terminal whose vertical position can be changed by rotating the front end of the case and the rotary plug. A circuit breaker comprising: a terminal main body; and an insulating member that has an insulating function by bulging at least one side in a width direction from an elastic connecting portion of the terminal main body. Wiring including a rotary plug terminal whose vertical position can be changed by rotating the terminal, and the rotary plug terminal including a terminal member and an insulating member provided in a direction perpendicular to the twisted wire connection portion of the terminal body and having an insulating function. A circuit breaker for a vehicle according to claim 2, wherein a rotary plug terminal whose vertical position can be changed by rotating the front end portion of the case is provided, and the rotary plug terminal is a terminal member. A circuit breaker for wiring comprising an insulating member having an insulating portion provided in a direction perpendicular to a twisted wire connected to a twisted wire connecting portion of a terminal body and having an insulating function, and fixed to a front end portion of a case. A rotary plug terminal whose vertical position can be changed by fixing the plug terminal and rotating it at the front end of the case is provided, and the rotary plug terminal includes a terminal body and an elastic connecting portion, a stranded wire connecting portion, or a stranded wire of the terminal body A wiring breaker comprising an insulating member having an insulating function provided between a rotating bar terminal passing through a groove of a case and a conductive bar not connected to the circuit breaker is the invention of claim 4, and is rotated at the front end of the case. For wiring, which is provided with a rotary plug terminal whose vertical position can be changed, and which comprises a terminal body and a box-shaped insulating member having a bottom and at least left and right side walls. The sectional units and the invention of claim 5.

In the invention of claim 1, when the two rotating plug terminals of the insulating portion are connected to the adjacent conductive bars, the elastic connecting portion of one rotating plug terminal and the elastic connecting portion of the other rotating plug terminal are connected. A circuit breaker for wiring arranged in a linear distance from the portion is defined as the invention of claim 6, and in the invention of claim 2, when the insulating portion is connected to two conductive bars adjacent to each other, the rotating plug terminals are connected to each other. A wiring breaker disposed between the twisted wire connection portion of one rotating plug terminal and the elastic connection portion of the other rotating plug terminal in a linear distance. Part for wiring arranged when two rotating plug terminals are connected to adjacent conductive bars, and is arranged between the stranded wire of one rotating plug terminal and the elastic connecting portion of the other rotating plug terminal The circuit breaker is the invention of claim 8 and the invention of claim 4 In the present invention, the fixed plug terminal fixed to the front end of the case is a circuit breaker for wiring which is fixed by fitting the non-rotatable contact portion provided on the insulating member to the case.

In the invention of claims 1 to 5, the rotary plug terminal is a circuit breaker for wiring which is assembled by engaging an engaging portion provided on the terminal body and an engaged portion provided on the insulating member. According to a tenth aspect of the present invention, a circuit breaker for wiring is provided, in which an insulating member of a rotary plug terminal is provided with a recess for receiving an elastic connection portion of the other rotary plug terminal. A wiring breaker provided with a shaft is defined as the invention of claim 12, and a hole for the front plate portion of the case is formed by shifting the phase of the front plate portion between the right half and the left half. According to the invention of claim 13, the stranded wire connection portion is a wiring breaker provided in a direction perpendicular to the elastic connection portion, and the invention of claim 14 is provided, and a wiring operation portion is provided with a rotation operation portion for operating by hooking a finger on the insulating member. A circuit breaker is claimed in claim 15.
The invention of claim 16 provides a wiring circuit breaker in which a case is provided with a rotary or removable cover which is a terminal position restricting member for a rotary plug terminal.

According to a sixteenth aspect of the present invention, the wiring breaker is provided with an elastic member for automatically rotating the rotary plug terminal when the cover of the terminal position restricting member is opened. In the invention of claim 17, the circuit breaker for wiring in which the elastic member is a stranded wire is defined as the invention of claim 18,
In the invention according to any one of claims 1 to 5, the case is provided with a rotary or detachable cover which is a terminal position restricting member for the rotary plug terminal, and is provided with an engaging portion for holding the rotary plug terminal in a fixed position. According to the invention of claim 19, in the invention of claim 4, there is provided a circuit breaker for wiring in which the color of the fixed plug terminal is different from that of the rotary plug terminal.
The invention according to any one of claims 1 to 5, wherein the rotary or removable cover which is the terminal position restricting member of the case or the rotary plug terminal is integrally or separately provided with elasticity. A circuit breaker provided with is the invention of claim 21.

[0009]

1 to 16 are views showing a first embodiment, and a front end portion (end portion on the conductive bar side) of a case 1 of a wiring breaker composed of a right case 1a and a left case 1b. To
Three grooves 2 to which N-pole, L1-pole, and L2-pole conductive bars are respectively connected are formed in this order from the top. On the inner side of these grooves 2, there are two rotatable plug terminals 3 which are freely rotatable.
It is pivotally supported on the steps.

As shown in FIG. 7, each rotary plug terminal 3 comprises a metal terminal body 4 and a resinous insulating member 5 which are inserted into the conductive bar. As shown in FIGS. 8, 9, 10, and 11, a substantially U-shaped elastic connecting portion 41 into which a conductive bar is inserted is formed in the metal terminal body 4, and the elastic connecting portion 41 is bent to extend in a vertical direction. An abutting portion 42 for the conductive bar and a twisted wire connecting portion 43 in the extended position, and an engaging portion 44 that engages with the insulating member 5 are provided. This contact portion 42 prevents the conductive bar from being deformed if it directly hits the elastic connection portion 41, and thus prevents this. Further, since the stranded wire connecting portion 43 is provided in the direction perpendicular to the elastic connecting portion 41, the space on the left and right of the elastic connecting portion 41 is not required when the rotary plug terminal 3 rotates, and therefore the width does not become wide. It is advantageous. In this embodiment, the stranded wire connecting portion 43 is connected to the abutting portion 42 and is bent forward, but the abutting portion 42 is bent forward on one side and the wire connecting portion 43 is bent rearward on the other side. You may fold it.

The insulating member 5 includes an insulating portion 50 having a bottom portion 50a, left and right side walls 50b, and front and rear side walls 50c.
There is. In addition, a circular protrusion 51, a retaining member 51a, and a twisted wire insertion notch 51b which are provided at the rear surface eccentric position so as to be axially supported by the hole 12 of the intermediate plate portion 11 of the case 1,
A rotary operation part 52 formed by a tool protruding at a front position so as to be axially supported in the hole 13 of the front plate part 14 of the case 1, and an engaged part 53 with which the engaging part 44 of the terminal body 4 is engaged. , The bottom portion 5 into which the elastic connection portion 41 of the other terminal body 4 is inserted
0a is provided with a concave portion 55, an edge or corner edge or a convex portion that is a rotary operating portion 56 that can be operated by hooking a finger, and an engaging portion 57 that restricts the rotary plug terminal 3 to a fixed position where it is connected to the conductive bar. Has been. When the two rotatable rotary plug terminals 3 are connected to the adjacent conductive bars, the insulating member 5 has a conductor portion of one rotary plug terminal 3 and a conductor portion of the other rotary plug terminal 3. Bottom 50a, left and right side walls 50b, for insulating between the rotary plug terminal 3 and the conductive bar passing through the groove 2 of the case 1 and not connected to the rotary plug terminal 3.
It is provided with an insulating portion 50 composed of front and rear side walls 50c. Specifically, as shown in FIGS. 7, 8, 9, and 10, when two rotating plug terminals 3 are connected to adjacent conductive bars, The width direction from the elastic connecting portion 41 of the rotating plug terminal 3 provided to increase the creepage space distance between the straight connecting distance between the elastic connecting portion 41 of the one rotating plug terminal 3 and the elastic connecting portion 41 of the other rotating plug terminal 3. Of the insulating portion 54 having an insulating function by projecting to at least one side of the above, and the linear space between the stranded wire connecting portion 43 of the one rotating plug terminal 3 and the elastic connecting portion 41 of the other rotating plug terminal 3 An insulating portion 58 provided in the vertical direction of the wire connecting portion 43 to increase the distance and having an insulating function, and a straight line between the twisted wire 60 of one rotating plug terminal 3 and the elastic connecting portion 41 of the other rotating plug terminal 3. Creeping sky between distances Distance in which an insulating portion 59 such that remembering insulation function is provided in the vertical direction of the line 60 by to increase.

After the stranded wire 60 is welded to the stranded wire connecting portion 43, the stranded wire 60 is passed through the notched portion of the main body of the insulating member 5 and the stranded wire insertion notch 51b provided in the circular protrusion 51 so that the stranded wire 60 passes through. The engaging portion 44 and the engaged portion 53 of the insulating member 5
Since the and are engaged with each other, the terminal body 4 and the insulating member 5 can be assembled with one touch to form the rotary plug terminal 3. The rotary plug terminal 3 is rotatably supported by the case 1 with the circular projection 51 and the rotary operation portion 52 serving as a rotary shaft. As a result, the rotary plug terminal 3 can be vertically rotated at the front end portion of the case 1, and both the circular protrusion 51 and the rotary operation portion 52 serve as a rotary shaft. In this way, the rotary plug terminal 3 has a rotary shaft on both front and rear sides, and can be firmly supported. The front surface of the rotary operation portion 52 projects from the hole 13 of the front plate portion 14 of the case 1, and each rotary plug terminal 3 can be rotated by a tool such as a Phillips screwdriver. It can be easily rotated by projecting it further and making it a knob part of the hand. The stranded wire 60 passes through the hollow portion of the circular protrusion 51, and at this time, also passes through the intermediate plate portion 11 that closes the inside of the case 1 that pivotally supports the circular protrusion 51 and is connected to the inside of the case 1. Since the intermediate plate portion 11 of the case 1 does not need to separately provide a hole for passing the wire 60, the stranded wire 60 does not get entangled during rotation, and there is no risk of being caught and damaged.

The height of the rotary shaft of each rotary plug terminal 3 is at the center of the three grooves 2, and the upper rotatable rotary plug terminal 3 is aligned with the N pole groove 2 when rotated upward. It becomes the height, and when it is rotated downward, the height matches the groove 2 of the L1 pole. Similarly, the rotationally movable rotary plug terminal 3 in the lower stage has a height corresponding to the groove 2 of the L1 pole when rotated upward, and has a height corresponding to the groove 2 of the L2 pole when rotated downward.

In a state where the upper rotary plug terminal 3 is rotated upward to be connected to the N pole and the lower rotary plug terminal 3 is rotated upward to be connected to the L1 pole, Since the elastic connection portion 41 of the rotary plug terminal 3 and the twisted wire 60 and the twisted wire connection portion 43 of the rotary plug terminal 3 are in a state very close to each other, the insulating member 5 is provided with these straight lines in order to secure an insulation distance. The insulating portion 58 and the insulating portion 59 for increasing the creeping space distance between the distances are provided on the bottom portion 50.
A box-shaped insulating portion 50 is provided. This insulating member 5 has one side in the width direction from the elastic connecting portion 41 in order to increase the creepage space distance between the elastic connecting portion 41 of the one rotating plug terminal 3 and the elastic connecting portion 41 of the other rotating plug terminal 3. The insulating portion 54 protrudes to the side. With this structure, a required insulation distance can be secured between the rotary plug terminals 3 when connected to the adjacent conductive bars. Moreover, since the box-shaped insulating portion 50 is composed of the bottom portion 50a, the left and right side walls 50b, and the front and rear side walls 50c, a sufficient insulating distance can be secured. The box-shaped insulating part 50 may have a bottom part 50b and at least left and right side walls 50b, and the front and rear side walls 50c may be unnecessary depending on the size of the rotating shaft. In addition, as shown in FIGS. 11 and 12, the insulating member 5 is provided with a recess 55 into which the other rotary plug terminal 3 is inserted, whereby a necessary insulation distance can be secured, and further, each rotary plug terminal can be secured. The distance between the three can be reduced, and the overall size can be reduced.

Further, since the insulating member 5 of the rotary plug terminal 3 is provided with an edge, a corner edge, and a convex portion which are rotary operation portions 56 which can be operated by hooking a finger on the edge, the front plate portion 14 of the case 1 is provided. It is possible to directly rotate the insulating member 5 with a finger without operating the rotating operation portion 52 protruding from the position with a tool. At least one of the edge, the corner edge, and the convex portion may be provided. Since the rotation operation portion 56 does not catch a finger when the insulating member 5 has a columnar shape, the insulating member 5 is made into a non-cylindrical shape and is a portion far from the center of rotation. The contact resistance may be increased on the surface by using continuous grooves or irregularities on the side portions of.

In this embodiment, the upper side is the N pole, the middle side is the L1 pole, and the lower side is the L2 pole. Therefore, when 100V is required, the upper rotary plug terminal 3 is connected to the upper N pole. The lower rotary plug terminal 3 may be connected to the intermediate L1 pole or the lower L2 pole. Therefore, it is possible to connect the poles of L1 and L2 with one type of circuit breaker for wiring and balance the poles. When 200 V is required, the L1 and L2 poles are connected, so the upper plug terminal 3 is at the intermediate position and the lower rotary plug terminal 3 is at the lower position. By providing the two rotary plug terminals 3 in this way, it is possible to easily perform balance between the poles connected to L1 and L2 and switching between 100V and 200V with one circuit breaker. In addition, the conductive bar is N pole, L
The 1 pole and L2 pole may be on the upper side, the intermediate side, or the lower side,
The conductive bar may have a flat shape or a comb shape.

On the upper surface of the case 1, as shown in FIGS.
As shown in FIGS. 4, 5, and 6, a window hole 15 is provided, and the upper surface of the elastic connection portion 41 of the upper rotary plug terminal 3 and the uppermost N pole conductive bar are provided so as to correspond to the window hole 15. If 100V, 200V display or a color display corresponding to it is provided on the side edge of the, 100V as shown in FIGS.
The upper rotary plug terminal 3 is located on the upper side when viewed for use, and the 100V display on the upper surface of the elastic connection portion 41 is visible through the window hole 15. When the 200V is used, the upper rotary plug terminal 3 is located on the intermediate side. The 200V display engraved on the N-pole conductive bar can be seen from the window hole 15.

On one side of the front end of the case 1, there is provided a rotary or detachable cover 90 which is a terminal position regulating member. In the embodiment, the cover 90 is rotatable around the vertical axis toward the outside of the case 1,
The locking portion 92 locks the case 1 with one touch. Although each of the above-described rotary plug terminals 3 is located at the front end of the case 1 in use, the rotation path passes outside the case 1 due to a change in position, so the front end of the case 1 must always be ejected outside the case 1. Rotate and move to return to the club.

Further, in this embodiment, the rotation of each rotary plug terminal 3 is a rotary cover 90 which is a position regulating member.
The opening is not allowed until it is opened, and the cover 90 cannot be closed unless each rotary plug terminal 3 is in any fixed position. Specifically, since the side surface 91 of the cover 90 is in close contact with the side surface of each rotary plug terminal 3 when the cover 90 is closed,
Unless the cover 90 is rotated to the outside of the case 1, the rotary plug terminals 3 cannot be rotated, and while the rotary plug terminals 3 are rotating, the rotary cover 90, which is a position regulating member, can be returned. Can not. Further, even if the plug terminal is slightly displaced from the home position, the cover 90 can be closed to move the rotary plug terminal 3 to forcibly locate it in the home position.

In this embodiment, the elastic force of the twisted wire 60 is used as an elastic member, and the rotary plug terminal 3 is pivotally supported with a slight play, so that the rotary plug terminal 3 is opened when the cover 90 is opened. The 3 is automatically rotated to pop out from the fixed position. Specifically, the angle is about 5 to 30 °, but the angle is not particularly limited. In this way, the fingers are easily caught and the rotating operation is easy. In addition, as shown in FIGS. 13 and 14, the case 1 is provided with an inclined engaging portion 16 for holding the rotary plug terminal 3 in a fixed position. Specifically, the engaging portion 57 provided on the insulating member 5 and the engaging portion 16 are held in place, but the engaging portion may be provided on the insulating member 5 of the terminal body or the other plug terminal. The terminal body 4 and the insulating member 5
It may be held at a fixed position by the frictional resistance of the surface contact between the contact surface of 1 and the contact surface of the case 1. In this way, just by opening the cover 90 and applying a little force with the finger, the rotary plug terminal 3 automatically turns slightly as described above, the finger is easily caught, and the operation becomes easy. When finished, the cover 90 is held together with the feeling of wearing, and the cover 90 is easily closed. It should be noted that there is either one of a configuration in which the rotary plug terminal 3 is automatically rotated when the cover 90 is opened and a configuration in which the case 1 is provided with an engaging portion for holding the rotary plug terminal 3 in a fixed position. Yes, or both.

FIG. 14 shows the rotary operation part 5 of the rotary plug terminal 3.
2 is a partially enlarged view of the front plate portion 14 of the case 1 in which 2 is pivotally supported. The hole 13 of the front plate portion 14 serves as a rotary bearing, and the right half 11a and the left half 11b are axially shifted in phase. With such a structure, the plug terminal 3 can be accurately supported and rotated easily. Further, the hole 12 of the intermediate plate part 11 of the case 1 is formed by both the left case 1b and the right case 1a, and the hole 13 of the front plate part 14 is formed only by the left case, and the opening side of the left case 1b faces the front side. If the rotary plug terminal 3 is pushed in from the opening side of the left case 1b during assembly, the front plate portion 14 bends to allow temporary mounting when assembled, and then the right case 1a is mounted and the rear bearing is mounted. Can be configured, which facilitates assembly. In addition, in this embodiment, the intermediate plate portion 11 of the case 1 is formed of the right case 1a and the left case 1b, but in the case of three pieces of the right case, the intermediate case, and the left case, the left or right case and the intermediate case are formed. Thus, the intermediate plate portion 11 is formed.

15 and 16 are explanatory views of the 100-200 voltage display. When the upper rotary plug terminal 3 is located on the upper side as shown in FIGS. 1 and 2, the elastic connecting portion 4 of the terminal body 4 is
The 100V display imprinted on the upper surface of 1 can be seen from the window hole 15, and when the upper rotary plug terminal 3 is located in the middle, the 200V display imprinted on the upper surface of the conductive bar can be seen from the window hole 15, so connect 100V or 200V. You can easily determine if it was done.

17 to 21 show a second embodiment. In this embodiment, parts different from the first embodiment will be described. The rotary plug terminal 3 is similarly composed of the terminal body 4 and the insulating member 5 having the insulating portion 50, but the terminal body 4 is provided with the twisted wire connection portion 43 extending in the horizontal direction from the elastic plate portion 41. The insulating member 5 is
A straight line distance between the wiring portion extending from the rotating shaft to the stranded wire connecting portion 43 and arranging the wire inside thereof, and the stranded wire connecting portion 43 of the one terminal body 4 and the elastic connecting portion 41 of the other terminal body 4. In order to increase the creepage space distance, an insulating portion 58 provided in the vertical direction of the line connecting portion 43 and having an insulating function is provided therebetween. In addition, the stranded wire 60 of one terminal body 4
And the elastic plate portion 41 of the other terminal main body 4 is provided with an insulating portion 59 provided in the vertical direction of the wire 60 to increase the creepage space distance and has an insulating function. It is possible to reduce the distance between the rotary plug terminals 3 while ensuring the required insulation distance between the three, and to reduce the overall size.

22 to 24 are views showing a third embodiment. In this embodiment, the L1 and L2 poles are switched for exclusive use of 100V, and only the lower rotary plug terminal 3 is rotated as the fixed plug terminal 3a having the upper plug terminal fixed to the upper side. It is a thing. In such a case, the same case 1 as that of the above-described embodiment is used because it also serves as a component, and the rotary operation part 52a is made inoperable by eliminating the groove on the front surface of the insulating member 5 of the upper fixed plug terminal 3a. The insulating member 5 is provided with a non-rotatable contact portion 101, which is fitted in the case 1 and fixed at a position where it is connected to the N pole. While fixing the fixed plug terminal 3a, the terminal body 4 of the other rotary plug terminal 3
Rotating plug terminal 3 that passes through the elastic connecting portion 41 or the twisted wire connecting portion 43 or the twisted wire 60 and the groove 2 of the case 1.
An insulating portion 50 for increasing the creepage space distance is provided between the straight line and the conductive bar that is not connected. With such a structure, the necessary insulation distance can be secured, and the distance between the conductive bars, that is, the distance between the grooves 2 of the case 1 can be reduced, and the rotary plug terminal 3 and the case 1 can be reduced.
It is possible to secure an insulation distance from the conductive bar that is not connected to the rotary plug terminal 3 that passes through the groove 2 and the overall size can be reduced. In addition, if the insulating member 5 of one fixed plug terminal 3a to be fixed and the insulating member 5 of the other rotating plug terminal 3 that rotates is made to have different colors, it is easy to distinguish during operation. At this time, it is preferable that the insulating member 5 of the one fixed plug terminal 3a to be fixed has the same color as the case 1.

25 to 27 are views showing a fourth embodiment. In this embodiment, the voltage pole display member 80 of the L1 pole and the L2 pole that operates in conjunction with the rotating plug terminal 3 that rotates to switch the L1 pole and the L2 pole is provided. The voltage electrode display member 80 of this embodiment is an elastic member (not shown) that is always urged downward and has a bar-like shape, and has a display protrusion 81 at the upper end, a first engaging portion 82 at the middle stage, and a second engaging portion at the lower stage. There is an engaging portion 83. In the case of the N pole, the L1 pole, and the L2 pole from the top, the lower rotary plug terminal 3 is switched to the lower side because the lower rotary plug terminal 3 is rotated to the middle side or the lower side to switch the L1 pole and the L2 pole. 25, as shown in FIG. 25, the upper rotary plug terminal 3 and the first engaging portion 82 are locked so that the display protruding portion 81 of the voltage electrode display member 80 does not substantially protrude, and the lower rotary plug terminal 3 is When it is on the intermediate side, the lower rotary plug terminal 3 is locked by the second engaging portion 83, and the display protruding portion 81 of the voltage pole display member 80 appears to protrude from the window hole. With this type of device, the voltage pole can be easily confirmed. Of course, the presence or absence of protrusion is L1 pole, L
Indicate on the case or distribution board that the two-pole connection is meant.

28 to 31 are views showing a fifth embodiment. L1 as in the fourth embodiment of this embodiment
It is a voltage pole display of the pole and the L2 pole. A protruding voltage electrode display member 80 is provided on the side surface of the lower rotary plug terminal 3.
The voltage pole display member 80 of this embodiment has the N pole, L
In the case of one pole and L2 poles, the upper rotary plug terminal 3 is located on the upper side and the lower rotary plug terminal 3 is rotated to the middle side or the lower side to switch between L1 and L2. When 3 is on the lower side, it is located on the right side as shown in FIG. 28 (the cover 90 is omitted),
As shown in FIG. 30, when viewed from the right side of the case in the drawing, the lower plug terminal 3 is on the middle side, the right side in FIG. 29 as a plan view (left side from the front view), and the case as shown in FIG. 31. It projects from the left side. With this type of device, the voltage pole can be easily confirmed. Of course, the presence or absence of protrusion of the display member from the left and right of the case is L1.
Display indicating the pole and L2 pole connection is provided on the case or distribution board.

32 to 35 are views showing a sixth embodiment. In this embodiment, a voltage display unit that is displayed / hidden in the window hole 15 depending on whether or not the rotary plug terminal 3 in the upper stage that rotates rotates inside the cover 90 that rotates in order to switch the display of 100V / 200V. 110
Is provided. This voltage display unit 110 is a plate-shaped member having elasticity, and as shown in FIG. 33, when the upper rotary plug terminal 3 is in the upper position, the voltage display unit 110 is bent, and 100 V of the plug terminal is displayed from the window hole 15. As shown in FIG. 35, when the upper rotary plug terminal 3 is at the intermediate position, the voltage display member 110 is in an extended state, and the surface color or 200V display is visible through the window hole 15.

In this embodiment, the voltage display portion 110 is provided on the cover 90, but it may be provided between the intermediate plate portion 11 and the front plate portion 14 of the case 1, except that the case 1 and the cover 90 are provided separately. It may be provided integrally with. Also, N from the top
For poles, L1 poles, and L2 poles, the upper rotary plug terminal 3
1 depending on whether is connected to the N pole or the L1 pole
The voltage is displayed by switching from 00V to 200V. Even if the voltage is L1 pole, N pole, or L2 from the top, the upper plug terminal 3 is switched between the L1 pole and the N pole to obtain 100V-2.
Voltage can be displayed by switching 00V, and L2 pole, L
In the case of 1 pole or N pole, the upper rotary plug terminal 3 is L2
It may be a voltage pole display unit that switches between the pole and the L1 pole to display which voltage pole is connected to balance the load. Further, the voltage display or voltage pole display section having this elasticity may detect and display to which conductive bar the lower rotary plug terminal 3 is connected.

FIG. 36 shows the seventh embodiment.
In this embodiment, in order to switch the display of 100V / 200V, a notched display hole is provided in the upper part of the groove 2 on the upper side of the front end of the case 1, and a notched escape hole is provided in the lower part of the conductive bar on the intermediate side. From the insulating member 5 provided on one side of the terminal body 4 as in the first embodiment to the elastic connection portion 41.
The voltage display section 120 is provided so as to extend to the other side sandwiching. In such a configuration, even if the lower rotary plug terminal 3 is connected to either the intermediate position L1 pole or the lower position L2 pole, it is connected to the N pole when the upper rotary plug terminal 3 is in the upper position. It becomes 100V connection, and Fig. 36
Like the wiring breaker on the right side of the voltage display unit 12 extending to the other side with the elastic connection portion 41 of the rotary plug terminal 3 interposed therebetween.
0 protrudes from the display hole cut out at the upper part of the groove on the upper side of the front end of the case 1 to display the 100V connection. On the other hand, when the upper rotary plug terminal 3 is in the intermediate position, it is connected to the L1 pole, and the lower rotary plug terminal 3 is connected to the L2 pole in the lower position to make a 200V connection.
6, like the wiring breaker on the left side of FIG. 6, the voltage display unit 1 extending to the other side sandwiching the elastic connection portion 41 of the rotary plug terminal 3.
20 projects from the escape hole cut out at the bottom of the conductive bar on the intermediate side of the front end of the case 1, but the voltage display unit 120 is hidden by the conductive bar and cannot be seen when viewed from above as shown in the figure. . In this embodiment, the voltage display unit 120 is set to 100 V when it is visible, and 200 V when it is not visible.

37 and 38 are views showing the eighth embodiment. In this embodiment, at least the upper and middle conductive bars are notched in a crank shape as shown in the figure so that the protruding portion of the conductive bar is connected to the rotary plug terminal 3, and the rotary plug is also added. The rotation operation part 52 of the terminal 3 and the voltage / voltage pole display part 130 are extended and projected from the front end of the case 1. In such a case, when the voltage / voltage pole display section 130 is provided on both the upper and lower rotary plug terminals 3, the upper rotary plug terminal 3 is located on the intermediate side and the lower rotary plug terminal 3 is on the lower side. When it is located at the position of 200V, it will be connected to 200V, and like the circuit breaker on the right side of the figure, the voltage of the upper and lower rotary plug terminals 3
Both voltage pole indicators 130 appear on the left side of Case 1.

Next, when the upper rotary plug terminal 3 is located on the upper side and the lower rotary plug terminal 3 is located on the middle side, 100V L1 pole connection is made, and like the central circuit breaker shown in the figure. Both the voltage / voltage pole display portions 130 of the upper and lower rotary plug terminals 3 appear on the right side of the case 1. Next, when the upper rotary plug terminal 3 is located on the upper side and the lower rotary plug terminal 3 is located on the lower side, 100V L2 pole connection is established, and the upper rotary terminal is connected like the wiring breaker on the left side in the figure. The voltage / voltage pole display section 130 of the plug terminal 3 appears on the right side of the case 1, and the voltage / voltage pole display section 130 of the lower rotary plug terminal 3 appears on the left side of the case 1 so that both can be seen.

Although not shown, when this display portion is provided only on the upper rotary plug terminal 3, it becomes a voltage display portion, and when the upper rotary plug terminal 3 is located on the upper side, the voltage display portion is shown. Appears on the right side of case 1 and
The display of 0V is displayed, and when it is located on the intermediate side, the voltage display portion appears on the left side of the case 1 and the display of 200V is displayed.

Although not shown, if the upper plug terminal is the fixed plug terminal 3a and only the lower plug terminal is the rotary plug terminal 3, the rotary plug terminal 3 is 100 V only, but only the lower rotary plug terminal 3 is provided. When the display is provided on the display, it becomes a voltage electrode display portion, and when the lower rotary plug terminal 3 is located on the intermediate side, the voltage electrode display portion is a case 1
When it is located on the lower side, the voltage display section appears on the left side of the case 1 to display the L2 pole connection. Since the voltage / voltage pole display section 130 projects from the rotation operation section 52, it is also the rotation operation section 56 that is manually operated.

In addition to this, the voltage display of 100V / 200V can be performed as follows. Although illustration is omitted,
An oscillating voltage display portion extending upward is provided as a shaft portion in the same direction as the rotary shaft of the rotary plug terminal 3 above the groove through which the intermediate conductive bar passes inside the cover 90. This voltage display portion is provided with an elastic portion which is integral or separate so as to always urge it toward the upper rotary plug terminal 3 when the cover 90 is closed, and the upper side portion is the contact portion of the rotary plug terminal 3. The upper end of the case should be visible through the rectangular window in the left-right direction provided on the upper surface of the case. And
100V is displayed near the outer half of the slot and 200V is displayed near the inner half. In something like this,
When the upper rotary plug terminal 3 is located on the upper side, the side portion of the rotary plug terminal 3 presses the corresponding portion on the upper side portion of the voltage display portion to resist elasticity and the upper portion faces outward. At that time, the upper end is located in the outer half of the rectangular window hole of the case.
V is shown. Further, when the upper rotary plug terminal 3 is located on the intermediate side, the rotary plug terminal 3 is not located at the upper position, so that the upper portion of the voltage display portion is urged toward the inner side as it is. At that time, the upper end portion is located in the inner half of the rectangular window hole of the case and shows 200V.

As described above, the rotating plug terminal 3 whose vertical position can be changed by rotating the front end portion of the case 1 is provided, and the rotating plug terminal 3 is provided in the terminal body 4.
And an insulating member 5 having an insulating portion 54 projecting to at least one side in the width direction from the elastic connecting portion 41 of the terminal body 4, the plug-in type capable of operating in the vertical direction by rotation. While maintaining an insulation distance between each plug-in terminal of the circuit breaker for wiring and a conductive bar which is not connected to the rotation plug terminal 3 passing through the groove 2 of the case 1 while maintaining a small insulation size, Can be converted.

A rotating plug terminal 3 whose vertical position can be changed by rotating at the front end of the case 1 is provided, and the rotating plug terminal 3 is provided in a direction perpendicular to the terminal body 4 and the twisted wire connecting portion 43 of the terminal body 4. Insulation member 5 provided with insulation part 58
And the insulation distance between the respective plug-in terminals of the plug-in type circuit breaker capable of vertically moving by rotation, the rotating plug terminal 3 and the case 1.
It is possible to reduce the size while ensuring an insulation distance between the rotary plug terminal 3 passing through the groove 2 and the conductive bar to which the rotary plug terminal 3 is not connected.

A rotating plug terminal 3 whose vertical position can be changed by rotating it at the front end of the case 1 is provided. The rotating plug terminal 3 has a terminal body 4 and a twisted wire 60 connected to a twisted wire connecting portion 43 of the terminal body 4. And an insulating member 5 provided with an insulating portion 59 provided in the vertical direction, the insulating distance between the respective plug-in terminals of the plug-in type circuit breaker capable of vertically moving by rotation. Alternatively, it is possible to reduce the size while ensuring an insulation distance between the rotary plug terminal 3 and the conductive bar that is not connected to the rotary plug terminal 3 that passes through the groove 2 of the case 1.

A fixed plug terminal 3a fixed to the front end of the case 1 and a rotary plug terminal 3 whose vertical position can be changed by rotating the front end of the case 1 are provided. The rotary plug terminal 3 includes a terminal body 4 and a terminal body. An insulating member having an insulating portion 50 provided between the elastic connecting portion 41 or the stranded wire connecting portion 43 or the stranded wire 60 of No. 4 and the conductive bar to which the rotary plug terminal 3 passing through the groove 2 of the case 1 is not connected. According to the present invention, the rotary plug-in terminal 3 of the plug-in type circuit breaker capable of vertically moving by rotation is not connected to the rotary plug terminal 3 passing through the groove 2 of the case 1. The size can be reduced while ensuring an insulation distance between the conductive bar and the conductive bar.

A rotating plug terminal 3 whose vertical position can be changed by rotating the front end of the case 1 is provided, and the rotating plug terminal 3 has a terminal body 4, a box-like insulating member having a bottom 50a and at least left and right side walls 50b. 5 is characterized in that the insulating distance between the respective plug-in terminals of the plug-in type circuit breaker capable of vertically moving by rotation and the rotation plug terminal 3 and the groove 2 of the case 1 are passed. It is possible to reduce the size while ensuring an insulation distance from the conductive bar to which the rotating plug terminal 3 is not connected.

One fixed plug terminal 3a fixed to the front end of the case 1 is fixed to the insulating member 5 by the non-rotatable contact portion 101.
In the case where the same case 1 is provided and fixed by being fitted in the case 1, the same case 1 can be used, and the cost can be reduced by using the combined parts.

The rotary plug terminal 3 is characterized in that the engaging portion 44 provided on the terminal body 4 and the engaged portion 53 provided on the insulating member 5 are engaged with each other to be assembled. 4 and the insulating member 5 can be assembled to form the rotary plug terminal 3, and the productivity can be improved.

The insulating member 5 of the rotary plug terminal 3 is provided with a concave portion 55 into which the elastic connection portion 41 of the other rotary plug terminal 3 is inserted, so that a necessary insulation distance can be secured. In addition, the distance between the rotary plug terminals 3 can be further reduced, and the overall size can be reduced.

If the rotary plug terminal 3 is characterized by having a rotary shaft on both front and rear sides, it can be firmly supported and can be smoothly rotated.

The hole 13 of the front plate portion 14 of the case 1 is characterized in that the right half 11a and the left half 11b are axially offset from each other, so that the rotary plug terminal 3 can be accurately supported and rotated. In addition, the die structure is simple and inexpensive because there is no need to use a die, and since there is no time loss due to the operation of the die, there is no decrease in molding speed and productivity is improved. It is possible to improve and reduce the manufacturing cost.

With the stranded wire connecting portion 43 provided in the direction perpendicular to the elastic plate portion 41, when the rotary plug terminal 3 rotates, the space on the left and right of the elastic connecting portion 41 is not required. The width is not wide, which is advantageous.

The insulating member 5 is provided with a rotation operating portion 56 for operating by hooking a finger, and the insulating member 5 can be directly rotated by a finger without using a tool or the like.

In the case where the case 1 is provided with a rotary or detachable cover which is a terminal position regulating member for the rotary plug terminal 3, the rotary plug terminal 3 does not rotate and the terminal position is properly adjusted. Can be maintained in position.

The case 1 is provided with a rotary cover 90 which is a terminal position regulating member of the rotary plug terminal 3, and when the cover 90 is opened, the rotary plug terminal 3 is automatically rotated slightly by the elastic member. With this feature, the finger is easily caught on the cover 90, and the opening operation is easy.

When the elastic member is the stranded wire 60, another elastic member is not required for the cover 90, the structure is not complicated, and the cost is low.

The case 1 is provided with an engaging portion 16 for holding the rotary plug terminal 3 in a fixed position.
When the rotating operation is completed, a feeling of wearing is obtained and the cover 90 is held and the cover 90 is easily closed.

If the fixed plug terminal 3a and the rotary plug terminal 3 are made different in color, it is easy to discriminate during the operation and no mistake is made.

In the case where the rotary cover 90, which is a terminal position restricting member for the case 1 or the rotary plug terminal 3, is provided with a voltage electrode display section or a voltage display section having elasticity as an integral body or a separate body, the voltage pole can be accurately provided. Or you can know the voltage and make the correct connection.

[0053]

As described above, according to the present invention, a rotating plug terminal whose vertical position can be changed by rotating it at the front end portion of the case is provided, and the rotating plug terminal is elastically connected to the terminal body and the terminal body. And an insulating member having an insulating portion that has an insulating function by swelling to at least one side in the width direction, the plug-in type wiring breaker capable of operating in the vertical direction by rotation. The size can be reduced while ensuring the insulation distance between the rotary plug terminals of the container. Further, a rotary plug terminal whose vertical position can be changed by rotating the front end portion of the case is provided, and the rotary plug terminal is provided in the terminal body and in the vertical direction of the twisted wire connection portion of the terminal body to provide an insulating function. It is characterized by comprising an insulating member having an insulating portion, and it is required to reduce the size while ensuring an insulation distance between the rotary plug terminals of a plug-in type circuit breaker that can be operated in the vertical direction by rotation. You can Further, a rotary plug terminal whose vertical position can be changed by rotating the front end of the case is provided, and the rotary plug terminal serves as a terminal body.
An insulating member provided with an insulating portion provided in a direction perpendicular to a twisted wire connected to a twisted wire connecting portion of the terminal body and having an insulating function. The size can be reduced while ensuring the insulation distance between the rotary plug terminals of the in-type circuit breaker for wiring. Further, a fixed plug terminal is fixed to the front end of the case, and a rotary plug terminal whose vertical position can be changed by rotating the front end of the case is provided, and the rotary plug terminal is provided with a terminal body and an elastic connection portion of the terminal body or A stranded wire connecting portion or an insulating member having an insulating portion having an insulating function provided between the stranded wire and a conductive bar to which the rotary plug terminal passing through the groove of the case is not connected is provided. , Downsizing while ensuring the insulation distance between the rotating plug terminal of the plug-in type circuit breaker that can move in the vertical direction by rotation and the conductive bar that is not connected to the rotating plug terminal that passes through the groove of the case You can A rotary plug terminal whose vertical position can be changed by rotating the case front end is provided, and the rotary plug terminal includes a terminal body and a box-shaped insulating member having a bottom and at least left and right side walls. Is the insulation distance between the rotating plug terminals of a plug-in type circuit breaker that can move vertically due to rotation, and the insulation between the rotating plug terminals and the conductive bars that are not connected to the rotating plug terminals that pass through the groove of the case. The size can be reduced while securing the distance. Therefore, the present invention greatly contributes to the development of the industry as a circuit breaker for wiring that solves the conventional problems.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which rotary plug terminals are arranged in an upper stage and a middle stage in a first embodiment.

FIG. 2 is a perspective view showing a state in which a cover is opened.

FIG. 3 is a perspective view showing a state in which a cover is opened and a middle rotary plug terminal is being moved to a lower stage.

FIG. 4 is a perspective view showing a state in which a middle rotary plug terminal is being moved to a lower stage.

FIG. 5 is a perspective view showing a state in which the cover is closed after completing the movement to the lower stage.

FIG. 6 is a perspective view showing a state in which rotating plug terminals are arranged in a middle stage and a lower stage in the first embodiment.

FIG. 7 is a perspective view showing a front surface and a rear surface of a rotary plug terminal.

FIG. 8 is a perspective view showing a left rear surface in a state where the rotary plug terminal is separated into a terminal body and an insulating member.

FIG. 9 is a perspective view showing the left front surface in a state where the rotary plug terminal is separated into a terminal body and an insulating member.

FIG. 10 is a perspective view showing the right front surface in a state where the rotary plug terminal is separated into a terminal body and an insulating member.

FIG. 11 is a perspective view showing a bottom surface of a rotary plug terminal.

FIG. 12 is a side view showing a state in which rotating plug terminals are vertically arranged side by side.

FIG. 13 is a partially cutaway side view showing a state in which a rotary plug terminal is incorporated in a case.

FIG. 14 is a partially cutaway perspective view showing a hole formed in a front plate portion of a case.

FIG. 15 is a plan view showing an elastic connecting portion displaying a voltage according to a pole of a conductive bar to which a circuit breaker for wiring is connected.

FIG. 16 is a plan view showing an elastic connection portion that displays a voltage according to a pole of a conductive bar to which each wiring breaker is connected.

FIG. 17 is a perspective view showing a rotary plug terminal according to a second embodiment.

FIG. 18 is a perspective view showing a left rear surface of the rotary plug terminal according to the second embodiment in a state where it is separated into a terminal body and an insulating member.

FIG. 19 is a perspective view showing the right front surface of the second embodiment in which the rotary plug terminal is separated into a terminal body and an insulating member.

FIG. 20 is a front view showing a state in which the rotary plug terminals of the second embodiment are arranged in an upper stage and a lower stage.

FIG. 21 is a front view showing a state in which the rotary plug terminals of the second embodiment are arranged in an upper stage and a middle stage.

FIG. 22 is a perspective view showing a state where the rotary plug terminal of the third embodiment is incorporated in one case.

FIG. 23 is a partially cutaway perspective view showing a case of the third embodiment.

FIG. 24 is a front view showing a rotary plug terminal and a conductive bar according to a third embodiment.

FIG. 25 is a front view showing a fourth embodiment.

FIG. 26 is a front view showing the fourth embodiment in a different state.

FIG. 27 is an exploded perspective view of a rotary plug terminal and a cover according to a fourth embodiment.

FIG. 28 is a perspective view showing a fifth embodiment.

FIG. 29 is a partially cutaway plan view showing a state in which the fifth embodiment is connected to a conductive bar.

FIG. 30 is a front view of the fifth embodiment.

FIG. 31 is a front view showing the fifth embodiment in a different state.

FIG. 32 is a perspective view showing a rotary plug terminal according to a sixth embodiment.

FIG. 33 is an exploded perspective view showing a rotary plug terminal and a cover of a sixth embodiment.

FIG. 34 is a partially cutaway front view showing a sixth embodiment.

FIG. 35 is a partially cutaway front view showing the sixth embodiment in a different state.

FIG. 36 is a partially cutaway front view showing a seventh embodiment.

FIG. 37 is a partially cutaway front view showing the eighth embodiment.

FIG. 38 is a perspective view showing a rotary plug terminal according to an eighth embodiment.

[Explanation of symbols]

1 case 2 grooves 3 rotating plug terminals 3a Fixed plug terminal 4 terminal body 5 insulation 11a right half 11b left half 13 holes 14 Front panel 16 Engagement part 41 Elastic connection 43 Stranded wire connection 44 Engagement part 50 insulation 50a bottom 50b Left and right side walls 53 Engaged part 54 Insulation part 55 recess 58 Insulation part 56 Rotation operation part 59 Insulation part 60 strands 90 cover 101 Non-rotatable contact part

Claims (21)

[Claims] 1. A rotary plug terminal (3) whose vertical position can be changed by rotating the front end of the case (1) is provided, and the rotary plug terminal (3) extends in a width direction from a terminal body (4) and an elastic connection portion (41) of the terminal body (4). A circuit breaker for wiring, comprising: an insulating member 5 having an insulating portion 54 bulged to at least one side to have an insulating function. 2. A rotary plug terminal 3 whose vertical position can be changed by rotating the front end of the case 1 is provided, and the rotary plug terminal 3 is a terminal member 4 and a vertical direction of a stranded wire connecting portion 43 of the terminal body 4. A circuit breaker for wiring, comprising: an insulating member 5 provided with an insulating portion 58 having an insulating function. 3. A rotary plug terminal (3) whose vertical position can be changed by rotating the front end of the case (1) is provided, and the rotary plug terminal (3) is connected to a terminal member (4) and a stranded wire connecting portion (43) of the terminal body (4). Insulating member 5 provided with an insulating portion 59 provided in the vertical direction of the twisted wire 60 and having an insulating function.
A circuit breaker for wiring, characterized in that 4. A fixed plug terminal 3a is fixed to the front end of the case 1, and a rotary plug terminal 3 whose vertical position can be changed by rotating the front end of the case 1 is provided. The rotary plug terminal 3 is a terminal body 4; An insulating portion provided between the elastic connecting portion 41 or the twisted wire connecting portion 43 or the twisted wire 60 of the terminal body 4 and the conductive bar to which the rotating plug terminal 3 passing through the groove 2 of the case 1 is not connected and has an insulating function. A circuit breaker for wiring, comprising an insulating member 5 having 50. 5. A rotating plug terminal 3 whose vertical position can be changed by rotating the front end of the case 1 is provided, and the rotating plug terminal 3 has a box shape having a terminal body 4, a bottom 50a and at least left and right side walls 50b. A circuit breaker for wiring, comprising an insulating member 5. 6. The insulating portion 54 comprises two rotary plug terminals 3
Are arranged between the elastic connecting portions 41 of the one rotating plug terminal 3 and the elastic connecting portions 41 of the other rotating plug terminal 3 when connected to the adjacent conductive bars. The circuit breaker according to Item 1. 7. The rotary plug terminal 3 has two insulating parts 58.
Are connected to the adjacent conductive bars, the twisted wire connecting portion 43 of one rotating plug terminal 3 and the other rotating plug terminal 3 are connected to each other.
3. The circuit breaker for wiring according to claim 2, wherein the circuit breaker is arranged at a linear distance from the elastic connection portion 41. 8. The insulating portion 59 includes two rotary plug terminals 3
Is arranged between the stranded wires 60 of one rotating plug terminal 3 and the elastic connecting portion 41 of the other rotating plug terminal 3 when connected to adjacent conductive bars. The circuit breaker according to item 3. 9. The fixed plug terminal 3a fixed to the front end of the case 1 is fixed by fitting the non-rotatable contact portion 101 provided on the insulating member 5 into the case 1. The circuit breaker according to 4. 10. The rotary plug terminal 3 is assembled by engaging an engaging portion 44 provided on the terminal body 4 and an engaged portion 53 provided on the insulating member 5 with each other. The circuit breaker according to item 5. 11. The wiring according to claim 1, wherein the insulating member 5 of the rotary plug terminal 3 is provided with a recess 55 into which the elastic connecting portion 41 of the other rotary plug terminal 3 is inserted. Circuit breaker. 12. The wiring breaker according to claim 1, wherein the rotary plug terminal 3 is provided with both front and rear rotary shafts. 13. The hole 13 of the front plate portion 14 of the case 1 is
The circuit breaker for wiring according to claim 1, wherein the right half 11a and the left half 11b are formed by shifting the phase of the front plate portion 14. 14. The wiring breaker according to claim 1, wherein the stranded wire connecting portion 43 is provided in a direction perpendicular to the elastic connecting portion 41. 15. The circuit breaker for wiring according to claim 1, further comprising a rotary operation portion 56 which is operated by hooking a finger on the insulating member 5. 16. The circuit breaker according to claim 1, wherein the case 1 is provided with a rotary or removable cover 90 which is a terminal position regulating member for the rotary plug terminal 3. 17. The circuit breaker according to claim 16, further comprising an elastic member for automatically rotating the rotary plug terminal 3 when the cover 90 of the terminal position restricting member is opened. 18. The wiring breaker according to claim 17, wherein the elastic member is a stranded wire 60. 19. The case 1 is provided with a rotary or removable cover 90 which is a terminal position regulating member for the rotary plug terminal 3, and an engaging portion 16 for holding the rotary plug terminal 3 in a fixed position. The circuit breaker according to claim 1, wherein the circuit breaker is a wiring breaker. 20. The circuit breaker according to claim 4, wherein the fixed plug terminal 3a and the rotating plug terminal 3 have different colors. 21. A rotary or detachable cover 90 which is a terminal position regulating member for the case 1 or the rotary plug terminal 3.
6. The circuit breaker for wiring according to claim 1, further comprising a voltage electrode display section or a voltage display section having elasticity which is integral or separate.