Protective element for distributor strips

Details Protective element for distributor strips Protective element for distributor strips

1985-04-03

1987-01-27

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361119, 361103, 361355, H02H 322

Patent

active

046398201

ABSTRACT:
A protective element system includes a distributor strip and a protective element pluggable into the distributor strip. The distributor strip has a plurality of terminal posts for insulation stripping connection to electrical conductors. A plurality of upwardly open receptacle chambers are provided in an upper part of the distributor strip. In each chamber, a pair of contact springs are connected to respective terminal posts at outer sides of the respective receptacle chamber. A portion of a grounding rail projects into each of the receptacle chambers between respective contact springs in the associated chamber. The protective element includes a plug portion for insertion into one of the receptacle chambers of the distributor strip. An upwardly open receptacle chamber is provided in the protective element for accommodating a pair of surge arresters. Contact springs are positioned opposite one another at outer portions of the receptacle chamber. A grounding rail projects into the receptacle chamber. The contact springs and grounding rail are connected via the plug portion to the respective contact springs and grounding rail of the respective receptacle chamber in the distributor strip in which the protective element is plugged. Each contact spring in the chamber of the protective element is connected to a screw terminal.

REFERENCES:
patent: 3818271 (1974-06-01), Baumbach
patent: 4071876 (1978-01-01), Benson et al.
patent: 4159500 (1979-06-01), Baumbach et al.
patent: 4168515 (1979-09-01), Baumbach
patent: 4345294 (1982-08-01), Forberg et al.
patent: 4527215 (1985-07-01), Wessing

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