DE1640757B2 - ARRANGEMENT OF ELEMENTS REQUIRED FOR OVERVOLTAGE PROTECTION OF REMOTE CABLE TERMINAL CLOSURES IN JUMPING BOXES - Google Patents

Description

The invention relates to an arrangement of the box with fork springs as Gegenkonfür the overvoltage protection of telecommunication cable - 25 bars provided plastic insert provided Terminations in junction box housings is required.

Similar elements in which at each end closure The invention is illustrated with reference to the in the drawing

a fuse rack for the overvoltage illustrated embodiment in greater detail is attached directly. tert; in it shows

In one known arrangement of this type, FIGS. 1 is a view, partly in section, of one The fuse base forming the fuse group carrier has a solder lug contact that is led out laterally mounted and the cable cores to soldering pins of the strip-equipped termination with a plug-in fuse base soldered on. This is a check in the fuse box,

the surge arrester whose functional- F i g. 2 a plan view, partly in section, according to

ability to be checked at certain time intervals 35 F i g. 1.

must, very difficult, since the arresters for this purpose individually The Fig.! and 2 show an end closure with

must be dismantled (list 50, part 5 from the company Siemens: "Accessories for communication cables", January with knife-like molded vertically upwards 1960, pp. 17 to 22). Contact elements 22. On these contact elements

Also known are fuse box 6 instead of fuse groups 40. Thereby befinträgern Individual fuse holders, which are firmly attached to the corresponding mating contacts 23, the Closing elements connected, namely screwed formed as fork spring contacts, in one and into which the fuses are individually inserted plastic insert 24, which is used as a component of the fuse. View the connection boxes connected to the individual wires and on this captive contact elements are straight out, while 45 bar is attached.

the connecting bridges to the fuses laterally A continuous earth rail 25 is on the

be brought out at the end cap. Here, too, the long side of the end closure on retaining brackets 26 the above-mentioned test work is very difficult to attach, which in turn is attached to the usual, already pre- (Austrian Patent 189,263). Existing attachment points of the termination

An arrangement of compensating elements 50 is also to be screwed on. The earth connection to the ments to reduce crosstalk with the rack frame of the cable junction box Rader leading out of those connected to the individual wires via the bracket and the fastening Contact elements and unscrewing the end cap on the side. On the fuse box guide the connecting bridge to the compensators themselves is one that taps off all five fuses, elements known. Here, too, there is a solid 55 continuous earth spring 27 'at the insertion ends Assembly by screwing made use of formed edge part 27 α arranged, which (German patent specification 891 097). when plugging the fuse box onto the

On the other hand .is a holder for over-span end closure in a paragraph, atz 25 α of the earth rail 25 voltage arrester is known, in the arrester engages in cassette and thus establishes the earth contact,
form are summarized, which can be plugged into a special 60 To carry out the review of the overspan base. This base is in a cable arrester only needs the fuse box 6 _{: J} branch to be removed from any of the end closures from the contact elements 22. ,;. ■

1 sheet of drawings

Claims (1)

sen remote point mounted and is about relative Claim: long jumper wires to be mounted elsewhere th Endverschlllsiicn interconnected. Here is Arrangement of the overvoltage protection so the more advantageous attachment of the safety device Telecommunication cable terminations in cable S rungsgruppentrSgers directly on the associated terminal box required elements, when closed, have been abandoned to the Prüfarder To facilitate a security group at each termination (German interpretation pentra'ger for overvoltage protection direct 1 158 122). is attached, characterized in that the invention is based on the object of the fact that the contact strips (21) of each end closure io arrangement of the type mentioned are led out laterally and as securing that, while maintaining the direct attachment, fuse boxes serving group carriers ( 6) of the fuse group carrier at the associated end with the contact strips (21) via the overclocking elements (22) which are pluggable connected to this vertical closure with the lowest possible number of individual tentacles and as little space as possible, whereby 15 testing of the functionality the overspanam plug-in end of each fuse box is largely facilitated by a surge arrester.
with fork springs (23) as mating contacts. This object is provided according to the invention as a result of the plastic insert (24). solves that the contact strips of each termination are led out at the side and serve as a fuse group carrier with the fuse boxes with the tact strips are pluggably connected via knife-like contact elements that are integrally formed on these vertically upwards are, whereby at the insertion end of each safety