Overload relay

Details Overload relay Overload relay

1987-07-10

1989-03-21

Broome, H.

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With bimetallic elements

337 47, H01H 6100, H01H 7116

Patent

active

048147370

ABSTRACT:
The invention relates to an overload relay with input and output leads provided on opposite side surfaces of the housing as well as auxiliary switch terminals associated with the front side. The break contact terminal (17, 18) are provided here at the same height as the input terminals (3). The end is the fixed contacts for a contact bridge (13) which is held spring-loaded in a slide (10) which can be moved transversely to the front side. The spring (10) has a second contact bridge (19) which cooperates as a make contact with fixed contact parts (21, 22) which can be inserted into the housing (1), where the fixed contact parts (21, 22) are held in an additional block (23) which can be snapped into the housing (1) and in which make contact terminals (24, 25) end. In addition, a switch position indicator (26) and a test slide (30) are provided in the additional building block (23) and can be brought into engagement with the corresponding parts in the overload relay.

REFERENCES:
patent: 2678981 (1954-05-01), Besag et al.
patent: 3265831 (1966-08-01), Ramsey et al.
patent: 3638158 (1972-01-01), Thorne
patent: 4087770 (1978-05-01), Kuhn et al.
patent: 4096465 (1978-06-01), Fryer
patent: 4528539 (1985-07-01), Forsell et al.

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