Arrangement for change-over contact apparatus protection with in

Details Arrangement for change-over contact apparatus protection with in Arrangement for change-over contact apparatus protection with in

1987-04-15

1989-02-07

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Motor protective condition responsive circuits

361 90, 361 99, 361105, 335 20, 335 23, 335132, 335160, 200 50C, H02H 708, H01H 5018

Patent

active

048035874

ABSTRACT:
A changeover contact-making apparatus with interlocking member and module of protection protected against overcurrents is provided. In a same case, two contact-making systems and coil switches are disposed on each side of a median plane PP' in which the interlocking member is placed. In one of the case inner volumes defined by the plane PP' are placed a single protection module, a tripping mechanism and the respective connection terminals.

REFERENCES:
patent: 3815063 (1974-06-01), Grunert et al.
patent: 4016518 (1977-04-01), Lang et al.
patent: 4276527 (1981-06-01), Gerbert-Gaillord et al.
patent: 4506245 (1985-03-01), Leruicle et al.
patent: 4513181 (1985-04-01), Boysen et al.
patent: 4679016 (1987-07-01), Ciarcia et al.

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