JPH07335064A - Low voltage circuit breaker having lock means - Google Patents

Abstract

PURPOSE:To provide a lock means, which can be easily located or added in a low voltage circuit breaker. CONSTITUTION:A lock means 1 uses a fitting body 12 a in comparison with a conventional lock means. The fitting body 12 is arranged in parallel with the operating direction of an operating lever 92 provided in a wiring circuit breaker 9 as a low voltage circuit breaker, and the fitting body 12 is formed of an installation part 121, which is formed with a through hole for installing a pad lock 81, and fitting parts 122, which are integrally formed with both ends of the installation part 121 into the L-shape. The fitting part 122 is provided with a fitting hole at a position the same as two fitting holes opposite to each other among four fitting holes formed in a container of the wiring circuit breaker 9. At the time of installing the wiring circuit breaker 9 in a fitting panel with screws 13, 61, the fitting body 12 is simultaneously installed in the wiring circuit breaker 9 from the surface side of a cover 912 by the screw 13 by positioning the fitting hole at the position of the fitting hole of the wiring circuit breaker 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a low-voltage circuit breaker having a locking mechanism for restricting the opening / closing operation of an operating lever used for manually opening and closing an electric circuit, which facilitates mounting of the locking mechanism. As to the improved configuration.

[0002]

2. Description of the Related Art As a low-voltage circuit breaker for protecting a low-voltage circuit from an overload condition or a ground fault condition, a circuit breaker for opening a circuit when an overcurrent is detected, or a ground fault in addition to an overcurrent protection. It is well known that an earth leakage breaker that also has a function of opening an electric circuit when a current is detected is widely used. Among these low-voltage circuit breakers, there is known one provided with a locking means for preventing an unintentional opening / closing operation of an operation lever for manually opening / closing an electric path.

FIG. 5 shows a wiring breaker having locking means according to a conventional example, (a) is a side view thereof, and (b) is a front view thereof. In FIG. 5, 9 is a case main body 911.
And a container 91 which is covered with the case main body 911 and has a lid 912 attached by six screws 912b such as small screws, and a container 91 housed in the container 91 for manually opening and closing the electric line, Well-known mechanisms (not shown) that detect overload and disconnect the electric circuit when overload is detected,
It is a circuit breaker for wiring of a general example provided with an operation lever 92 operated at the time of manually opening and closing an electric path. The operating portion 921 that is actually operated when the operating lever 92 is manually opened / closed has a lid 912.
It is arranged so as to project from the through hole 912a formed in the outside to the outside on the front surface side of the container 91. Reference numeral 91a denotes a mounting hole formed in the container 91, which is used when the wiring breaker 9 is mounted on a mounting target (not shown) (for example, a mounting panel of a distribution board or the like). In the circuit breaker 9 for wiring, four mounting holes 91a are formed in the container 91.

Reference numeral 8 is a locking means having a well-known padlock 81 and a mounting body 82 for mounting the padlock 81. The mounting body 82 is arranged parallel to the operating direction of the operating lever 92, and has a through hole 8 for mounting the padlock 81.
1a is formed on the mounting portion 821, and the mounting portions 822 and 8 are integrally formed on both ends of the mounting portion 821 in an L-shape.
22 and 22. This locking means 8 has a mounting portion 8
Using a mounting hole (not shown) formed in No. 22, a screw 822a such as a machine screw is attached to a female screw hole (not shown) additionally processed on the surface side of the lid 912. Then, the padlock 81 has a through hole 81a in the mounting portion 821 for preventing the operation lever 92 from moving from its operation state position after the operation lever 92 is operated.
It is inserted into, mounted on, and locked. Locking means 8
Once the padlock 81 has been attached and the padlock 81 has been locked, the wiring breaker 9 will attempt to operate the operating lever 92 unless the padlock 81 is unlocked.
The operating state position is maintained. Therefore, the circuit breaker 9 for wiring is prevented from being opened and closed unintentionally.

Here, in the locking means 8, two through-holes 81a are formed in the mounting portion 821, but this is in the closed state and the open state at the operating position of the operating lever 92. There is a street state position, and this is for dealing with this. Therefore, in the locking means 8, the padlock 81 is mounted by selectively using these two through holes 81a depending on whether the closed state position is maintained or the open state position is maintained.

6A and 6B show a circuit breaker for wiring having different conventional locking means. FIG. 6A is a side view thereof, and FIG. 6B is a front view thereof. 6, the same parts as those of the conventional circuit breaker having the locking means shown in FIG. 5 are designated by the same reference numerals, and the description thereof will be omitted. In addition, in FIG. 6, as for the reference numerals given in FIG. 5, only representative reference numerals are shown. Figure 6
In FIG. 5, reference numeral 7 denotes a locking means which is different from the locking means 8 according to the conventional example shown in FIG.

The mounting body 72 is an operating portion 9 of the operating lever 92.
It is a cap-shaped member which is covered with the cover 21 and is fitted into the through hole 912a. When the locking means 7 is used, the attachment body 72 is first operated by the operating portion 9 of the operating lever 92 in order to prevent the operating lever 92 from moving from its operating state position after the operating lever 92 is operated.
21 is covered. Next, the operating portion 921 and the mounting body 7
2 has a through hole 72a penetrating therethrough, and a padlock 81
Is inserted into the through hole 72a, mounted, and locked. The locking means 7 is attached and the padlock 8
Once 1 is locked, the circuit breaker for wiring 9
As long as the lock lever 1 is not unlocked, even if the operation lever 92 is tried to be operated, the operation state position is maintained as in the case where the locking means 8 is mounted.

As a low-voltage circuit breaker used in a low-voltage circuit breaker having locking means, it is also known that it is similarly applied to an earth leakage circuit breaker in addition to the circuit breaker 9.

[0009]

In the low-voltage circuit breaker having the locking means according to the above-mentioned conventional technique, the locking means 7 or the locking means 8 is attached to the low-voltage circuit breaker such as the circuit breaker 9 for wiring. As a result, even if a large force is applied to the operation portion 921, the operation state position of the operation lever 92 is reliably maintained. As a result, the operating state position of the low-voltage circuit breaker is not changed inadvertently, so it is possible to prevent an electric shock accident due to an unexpected start of energization, or an operation stop accident due to an unexpected interruption of energization. Has become. However, the following problems still remain, and there is a demand for their solution.

That is, in the conventional locking means 7 and 8, when the locking means is attached to the low-voltage circuit breaker, a female screw hole is formed in the lid 912 or a through hole is formed in the operating portion 921. It is necessary to add processing such as 72a, and for this reason, it is difficult to install additional locking means on the low-voltage circuit breaker already delivered to the end user. There are inconveniences such as having to replace the circuit breaker.

The present invention has been made in view of the above-mentioned problems of the prior art, and an object thereof is to be applied to a low pressure circuit breaker having a locking means, which can be easily installed in the low voltage circuit breaker. Moreover, it is to provide a locking means that can be easily installed additionally to the low-voltage circuit breaker.

[0012]

SUMMARY OF THE INVENTION In the present invention, the above-mentioned objects are as follows: 1) A device used for overload protection of an electric line, ground fault protection, etc., and at least detecting overload, ground fault, etc. and opening / closing of an electric line. ． It has various mechanisms for shutting off, a case body that holds these mechanisms, and a lid body that is attached by covering the case body, and is provided with a plurality of attachment holes for attaching the device to an attachment target. And a rectangular parallelepiped-shaped container that is used, and an operating lever that is used for manually opening and closing an electric path, and that has an operating portion that is arranged so as to project from the through-hole formed in the lid body to the outside of the container. A padlock for limiting the movement of the operating lever, and a lock means for attaching the padlock to a portion where the movement of the operating lever can be limited, and a locking means for limiting the opening / closing operation of the operating lever. In a low-voltage circuit breaker having locking means, the mounting body of the locking means has a mounting hole for mounting the locking means in correspondence with at least a part of the mounting holes provided in the container. Department and this A mounting part for mounting a padlock integrally formed with the attachment part, and when the low-voltage circuit breaker is mounted on an object to be mounted, the container is attached to the container at a position of a mounting hole provided in the mounting part. It is configured to be mounted from the front side of the lid at the same time, or 2) A device used for overload protection, ground fault protection, etc. of an electric line, at least detecting overload, ground fault, etc. and opening / closing the electric line. ． It has various mechanisms for shutting off, a case body that holds these mechanisms, and a lid that has a plurality of mounting holes and is attached to the case body with screws using these mounting holes. A rectangular parallelepiped-shaped container provided with a plurality of mounting holes for mounting on an object, and a container used for manually opening and closing an electric circuit, the operating portion of which is from a through hole formed in the lid. It has an operating lever protruding outside the container, a padlock for limiting the movement of the operating lever, and a mounting body for mounting the padlock on a portion where the movement of the operating lever can be limited. In a low-voltage circuit breaker having locking means provided with locking means for restricting the opening / closing operation of a lever, the mounting body of the locking means corresponds to at least part of the mounting holes provided in the lid of the container. Let me use the locking means The mounting part is provided with a mounting hole for mounting, and the mounting part for mounting the padlock integrally formed with this mounting part is provided on the mounting part when the lid is mounted on the case body. A device used for the overload protection of an electric circuit, the ground fault protection, etc., wherein the container is simultaneously mounted from the front side of the lid at the position of the mounting hole At least detect overloads, ground faults, etc., and open and close electrical circuits. It has various mechanisms for shutting off, a case body that holds these mechanisms, and a lid body that is attached by covering the case body, and is provided with a plurality of attachment holes for attaching the device to an attachment target. And a rectangular parallelepiped-shaped container that is used, and an operating lever that is used for manually opening and closing an electric path, and that has an operating portion that is arranged so as to project outside the container from a through hole formed in the lid. A padlock for limiting the movement of the operating lever, and a lock means for attaching the padlock to a portion where the movement of the operating lever can be limited, and a locking means for limiting the opening / closing operation of the operating lever. In the low-voltage circuit breaker having locking means, the mounting body of the locking means is arranged on the back side of the case body of the container,
A mounting portion provided with mounting holes corresponding to at least some mounting holes provided in the container, a mounting portion arranged on the front surface side of the lid for mounting the padlock, the mounting portion and the mounting portion. And a mounting part that is integrally formed with the mounting part and that connects the mounting part and the mounting part on the outer side surface of the container, and uses the mounting hole provided in the mounting part when the low-voltage circuit breaker is mounted on the mounting target. And the low-voltage circuit breaker are simultaneously mounted on the mounting target.

[0013]

According to the present invention, in the low-voltage circuit breaker having the locking means, the mounting means of the locking means is for mounting the locking means in correspondence with at least a part of the mounting holes provided in the container. A mounting part having a mounting hole and a mounting part for mounting a padlock integrally formed with the mounting part are provided, and the mounting part is provided in the mounting part when the low-voltage circuit breaker is mounted on an object to be mounted. By being configured to be simultaneously attached to the container at the position of the mounting hole from the surface side of the lid,
Since the mounting body can be mounted at the same time when the low-voltage circuit breaker is mounted on the mounting object, the mounting body can be mounted on the low-voltage circuit breaker without performing additional processing on the low-voltage circuit breaker. In addition, even for a low-voltage circuit breaker that has already been installed, by removing some of the screws used to mount the low-voltage circuit breaker on the object to be mounted, additional locking means can be installed. It is possible.

The mounting means included in the locking means is a mounting portion provided with mounting holes for mounting the locking means in correspondence with at least a part of the mounting holes provided in the lid of the container, and this mounting portion. And a mounting portion for mounting a padlock integrally formed with the container, and when the lid is mounted on the case body, the surface of the lid on the container at the position of the mounting hole provided in the mounting portion. Since the mounting body can be mounted at the same time as mounting the lid when assembling the low-voltage circuit breaker, it is possible to perform additional processing on the low-voltage circuit breaker. It can be mounted on a low-voltage circuit breaker. Also, even for low-voltage circuit breakers that have already been installed, do not remove the low-voltage circuit breaker from the object to be installed, but remove some of the screws used to attach the lid to the case body. Only by this, it is possible to additionally install the locking means.

The mounting body of the locking means is disposed on the back side of the case body of the container, and has a mounting portion provided with mounting holes corresponding to at least some mounting holes provided in the container, A mounting portion arranged on the front surface side of the lid body for mounting the padlock, and a mounting portion and a coupling portion integrally formed with the mounting portion and coupling the mounting portion and the mounting portion on an outer side surface of the container, When the low-voltage circuit breaker is attached to the attachment target,
The mounting body is simultaneously mounted on the mounting target together with the low-voltage circuit breaker using the mounting hole provided in the mounting portion, so that the mounting body is mounted simultaneously when mounting the low-voltage circuit breaker on the mounting target. Therefore, the low-voltage circuit breaker can be mounted on the low-voltage circuit breaker without additional processing. In addition, even for the already installed low-voltage circuit breaker, once remove all the screws used to attach the low-voltage circuit breaker to the object to be attached, and attach the mounting body to the object to be attached together with the low-voltage circuit breaker. Therefore, it is possible to additionally install the locking means.

[0016]

Embodiments of the present invention will be described in detail below with reference to the drawings. Embodiment 1; FIG. 1 is a front view showing a circuit breaker for wiring as a low-voltage circuit breaker having locking means according to an embodiment of the present invention corresponding to claim 1, and FIG. It is the side view shown with the mounting object of the circuit breaker for wiring which has the locking means shown. 1 and 2, the same parts as those of the circuit breaker having the locking means according to the conventional example shown in FIG. 5 are designated by the same reference numerals, and the description thereof will be omitted. In addition, in FIG. 1, 2, about the code | symbol attached | subjected in FIG. 5, only the typical code | symbol was described.

In FIG. 1 and FIG. 2, reference numeral 1 is a locking means in which the mounting body 12 is used in place of the mounting body 82 in the conventional locking means 8 shown in FIG. The mounting body 12 is arranged parallel to the operating direction of the operating lever 92 provided in the circuit breaker 9 for wiring, and has a mounting portion 121 having two through holes 81a for mounting the padlock 81 (hence, the conventional example). And the mounting portions 821 which are integrally formed in both ends of the mounting portion 121 in an L shape.
It consists of and. Each of the mounting portions 122 is provided with a mounting hole 122a at the same site as the two mounting holes 91a facing each other among the four mounting holes 91a formed in the container 91 of the circuit breaker 9 for wiring. There is.

When the wiring breaker 9 is mounted on the mounting panel 6 which is a mounting target, the mounting body 12 first has mounting holes 122 at the positions of the two mounting holes 91a facing each other.
Match a. Then, the wiring breaker 9 is mounted on the mounting panel 6 by the screw 13 such as a machine screw and the screw 61.
When it is attached to the wiring breaker 9, it is simultaneously attached to the wiring breaker 9 from the front surface side of the lid body 912 by the screw 13.
In this case, it goes without saying that the screw 13 may be used instead of the screw 61. It should be noted that the padlock 81 mounting body 1
The method of attaching the padlock 81 to 2 and the method of locking the padlock 81 are exactly the same as those of the conventional locking means 8.

As a result, the locking means 1 is connected to the circuit breaker 9 for wiring.
No additional processing to the circuit breaker 9 for wiring is required for mounting on the circuit breaker. Also, for the wiring breaker 9 already installed, replace at least two of the four screws 61 used for mounting the wiring breaker 9 on the mounting panel 6 with the screws 13. Only by this, it is possible to additionally install the locking means 1.

Embodiment 2; FIG. 3 shows a circuit breaker as a low-voltage circuit breaker having locking means according to an embodiment of the present invention corresponding to claim 2, and FIG. 3 (a) is a side view thereof. ,
(B) is the front view. 3, the same parts as those of the wiring breaker having the locking means according to the conventional example shown in FIG. 5 are designated by the same reference numerals, and the description thereof will be omitted. Note that FIG.
Among the reference numerals given in FIG. 5, only representative reference numerals are shown.

In FIG. 3, reference numeral 2 is a locking means which uses a mounting body 22 instead of the mounting body 82 in the conventional locking means 8 shown in FIG. Mounting body 22
Is a mounting portion 221 arranged parallel to the operating direction of the operating lever 92 of the circuit breaker 9 for wiring, and having two through holes 81a for mounting the padlock 81 (hence, the lock of the conventional example). The mounting portion 821 of the means 8 has the same structure as that of the mounting portion 821), and the mounting portions 221 and 222 integrally formed in both ends of the mounting portion 221 in an L shape. In each of the mounting portions 222, six screws (912, not shown) provided on the lid body 912 for respectively inserting the six screws 912b for attaching the lid body 912 of the circuit breaker 9 for wiring to the case body 911 are inserted. A mounting hole 222a is provided in the same position as the two mounting holes facing each other among the mounting holes.

When attaching the lid body 912 to the case main body 911 when assembling the low-voltage circuit breaker 9, first of all, the two attachment bodies 22 face each other out of the six attachment holes of the lid body 912. Align the mounting hole 222a with the mounting hole position of. Then, when the lid body 912 is attached to the case body 911 by the screw 912b and the screw 23 such as a machine screw, the wiring breaker 9 is simultaneously attached from the front surface side of the lid body 912 by the screw 23. is there. In this case, it goes without saying that the screw 23 may be used instead of the screw 912b. In addition, the pad 22 of the padlock 22
The method of attaching the padlock 81 to the padlock 81 and the method of locking the padlock 81 are exactly the same as those of the conventional locking means 8.

As a result, the locking means 2 is connected to the wiring breaker 9
No additional processing to the circuit breaker 9 for wiring is required for mounting on the circuit breaker. Further, even with respect to the wiring breaker 9 already installed, at least two of the six screws 912b used for attaching the lid 912 to the case main body 911 are replaced with the screws 23. It is possible to additionally install the locking means 2. Therefore, as compared with the case where the locking means 1 according to the first embodiment is additionally mounted to the installed wiring breaker 9, when the locking means 2 is additionally mounted,
Since the screws 61 relating to the mounting of the wiring breaker 9 as a whole can be left as they are, the additional mounting can be further facilitated.

Embodiment 3; FIG. 4 shows a circuit breaker for wiring as a low-voltage circuit breaker having locking means according to an embodiment of the present invention, which corresponds to claim 3, and FIG. It is the side view and (b) is the front view. Figure 4
5, the same parts as those of the circuit breaker having the locking means according to the conventional example shown in FIG. 5 are designated by the same reference numerals, and the description thereof will be omitted. In addition, in FIG. 4, about the code | symbol attached | subjected in FIG. 5, only the typical code | symbol was described.

In FIG. 4, reference numeral 3 denotes a locking means which uses a mounting body 32 instead of the mounting body 82 in the conventional locking means 8 shown in FIG. Mounting body 32
Is a mounting portion 321 arranged on the front surface side of the lid 912 included in the circuit breaker for wiring, a mounting portion 323 arranged on the rear surface side of the case body 911 included in the circuit breaker for wiring 9, the mounting portion 321 and the mounting portion. A connecting portion 322 that is integrally formed in an L-shape at opposite end edges of the portion 323 and that connects the mounting portion 323 and the mounting portion 321 at a portion of the outer side surface of the container 91 included in the circuit breaker 9 for wiring. It consists of and.

The mounting portion 321 is arranged in parallel with the operating direction of the operating lever 92 of the circuit breaker 9 for wiring, and has a mounting piece 321a having two through holes 81a for mounting the padlock 81 (hence, the mounting piece 321a). , And the mounting portion 821 of the locking means 8 according to the conventional example.), And mounting pieces 321b and 321b integrally formed in L-shapes at both ends of the mounting piece 321a. And the connecting portion 322 is the mounting piece 32 of the mounting pieces 321b, 321b.
It is integrated at the edge opposite to 1a. Mounting part 3
23, mounting holes 323a are provided at the same positions as the four mounting holes 91a formed in the container 91 of the circuit breaker 9 for wiring, and the connecting portion 322 is integrated at its edge portion. Has been done.

When the wiring breaker 9 is mounted on the mounting panel 6 which is a mounting object, the mounting body 32 is first combined with the wiring breaker 9 by aligning the mounting hole 323a with the mounting hole 91a. Be done. Then, the circuit breaker 9 for wiring and the mounting body 32 are simultaneously mounted on the mounting panel 6 by the screws 61. The method of attaching the padlock 81 to the mounting body 32, the method of locking the padlock 81, and the like are exactly the same as those of the conventional locking means 8.

As a result, the locking means 3 is connected to the circuit breaker 9 for wiring.
No additional processing to the circuit breaker 9 for wiring is required for mounting on the circuit breaker. Further, even for the wiring breaker 9 already installed, all the screws 61 used for mounting the wiring breaker 9 on the mounting panel 6 are once removed, and the mounting body 32 is attached to the wiring breaker 9. The locking means 3 can be additionally installed by mounting the locking means 3 together with the mounting panel 6.

Comparing the locking means 3 according to the third embodiment with the locking means 1 according to the first embodiment and the locking means 2 according to the second embodiment, in order to remove the locking means 3 from the circuit breaker 9 for wiring. Therefore, the circuit breaker 9 for wiring also needs to be temporarily removed from the mounting target such as the mounting panel 6. As a result, in the locking means 3, the possibility that the locking means is removed by an outsider is greatly reduced.

In the above description of Examples 1 to 3,
Although the low-voltage circuit breaker has been described as the circuit breaker 9 for wiring, it is not limited to this and may be, for example, an earth leakage circuit breaker.

[0031]

The present invention has the following effects due to the above-mentioned configuration. Since the locking means according to the present invention can be installed without performing additional processing on the low-voltage circuit breaker, it can be easily installed in the low-voltage circuit breaker, and can be easily additionally installed in the low-voltage circuit breaker. It will be possible. Further, the attachment body included in the locking means is an attachment portion provided with attachment holes for attaching the locking means corresponding to at least a part of the attachment holes provided in the lid of the container, and this attachment portion. And a mounting portion for mounting a padlock formed integrally with the container, and when the lid is mounted on the case body, the surface side of the lid is attached to the container at the position of the mounting hole provided in the mounting portion. In addition to the effect of the above item, when the locking means is additionally installed, it is possible to additionally install the fastening means such as screws related to the installation of the low-voltage circuit breaker as it is. Therefore, the additional mounting becomes easier. Furthermore, the mounting body included in the locking means is disposed on the back side of the case body of the container, and has a mounting portion provided with mounting holes corresponding to at least some mounting holes provided in the container, A mounting portion arranged on the front surface side of the lid body for mounting the padlock, and a mounting portion and a coupling portion integrally formed with the mounting portion and coupling the mounting portion and the mounting portion on an outer side surface of the container, When the low-voltage circuit breaker is mounted on the mounting target, the mounting hole provided in the mounting portion is used to simultaneously mount the low-voltage circuit breaker and the mounting target on the mounting target. Thus, the possibility that the locking means will be removed by an outsider can be greatly reduced.

[Brief description of drawings]

1 is a front view showing a circuit breaker for wiring as a low voltage circuit breaker having locking means according to an embodiment of the present invention corresponding to claim 1; FIG.

FIG. 2 is a side view showing the wiring breaker having the locking means shown in FIG. 1 together with an object to be mounted.

FIG. 3 shows a circuit breaker for wiring as a low-voltage circuit breaker having locking means according to an embodiment of the present invention corresponding to claim 2, (a) is a side view thereof, and (b) is a front view thereof.

FIG. 4 is a side view showing a wiring circuit breaker as a low-voltage circuit breaker having locking means according to an embodiment of the present invention, which corresponds to claim 3;
Is its front view

FIG. 5 shows a conventional circuit breaker having locking means,
(A) is its side view, (b) is its front view

[Fig. 6] Fig. 6 shows a circuit breaker for wiring having different conventional locking means, (a) is a side view thereof, and (b) is a front view thereof.

[Explanation of symbols]

 1 Locking means 12 Mounting body 121 Mounting portion 122 Mounting portion 13 Screw 61 Screw 81 Padlock 9 Circuit breaker for wiring (low voltage circuit breaker) 912 Lid body 92 Operation lever

Claims (3)

[Claims] 1. A device used for protection of an electric line from overload, protection of a ground fault, etc., which is capable of detecting at least an overload, a ground fault, etc. and opening / closing of a power line. It has various mechanisms for shutting off, a case body that holds these mechanisms, and a lid body that is attached by covering the case body, and is provided with a plurality of attachment holes for attaching the device to an attachment target. And a rectangular parallelepiped-shaped container that is used, and an operating lever that is used for manually opening and closing an electric path, and that has an operating portion that is arranged so as to project from the through-hole formed in the lid body to the outside of the container. A padlock for limiting the movement of the operating lever, and a lock means for attaching the padlock to a portion where the movement of the operating lever can be limited, and a locking means for limiting the opening / closing operation of the operating lever. In the low-voltage circuit breaker having the locking means, the mounting body of the locking means has a mounting hole for mounting the locking means in correspondence with at least a part of the mounting holes provided in the container. Department and this A mounting part and a mounting part for mounting the padlock integrally formed,
When the low-voltage circuit breaker is attached to the object to be attached, the locking means is attached to the container at the same time from the surface side of the lid body at the position of the attachment hole provided in the attachment portion. Low voltage circuit breaker to have. 2. A device used for protection of an electric line from overload, protection of a ground fault, etc., for at least detection of an overload, a ground fault, etc. and opening / closing of a power line. It has various mechanisms for shutting off, a case body that holds these mechanisms, and a lid that has a plurality of mounting holes and is attached to the case body with screws using these mounting holes. A rectangular parallelepiped-shaped container provided with a plurality of mounting holes for mounting on an object, and a container used for manually opening and closing an electric circuit, the operating portion of which is from a through hole formed in the lid. It has an operating lever protruding outside the container, a padlock for limiting the movement of the operating lever, and a mounting body for mounting the padlock on a portion where the movement of the operating lever can be limited. In a low-voltage circuit breaker having locking means provided with locking means for restricting the opening / closing operation of the lever, the mounting body of the locking means corresponds to at least part of the mounting holes provided in the lid of the container. Let me use the locking means A mounting portion having a mounting hole for mounting and a mounting portion for mounting a padlock formed integrally with the mounting portion are provided, and are provided in the mounting portion when the lid is mounted on the case body. A low-voltage circuit breaker having locking means, characterized in that the container is simultaneously attached to the container at the position of the mounting hole from the surface side of the lid. 3. A device used for protection of an electric line from overload, protection of a ground fault, etc., for detecting at least an overload, a ground fault, etc. and opening / closing of a power line. It has various mechanisms for shutting off, a case body that holds these mechanisms, and a lid body that is attached by covering the case body, and is provided with a plurality of attachment holes for attaching the device to an attachment target. And a rectangular parallelepiped-shaped container that is used, and an operating lever that is used for manually opening and closing an electric path, and that has an operating portion that is arranged so as to project from the through-hole formed in the lid body to the outside of the container. A padlock for limiting the movement of the operating lever, and a lock means for attaching the padlock to a portion where the movement of the operating lever can be limited, and a locking means for limiting the opening / closing operation of the operating lever. In the low-voltage circuit breaker having the locking means, the mounting body of the locking means is arranged on the back side of the case body of the container, and the mounting hole corresponds to at least a part of the mounting hole provided in the container. Is provided An attachment part, an attachment part for arranging a padlock on the surface side of the lid, and an attachment part and an attachment part that are integrally formed with each other and connect the attachment part and the attachment part on the outer side surface of the container. And a low-voltage circuit breaker mounted on an object to be mounted at the same time when the low-voltage circuit breaker is mounted on the object to be mounted together with the low-voltage circuit breaker by using a mounting hole provided in a mounting portion. Low voltage circuit breaker with.