Polyphase motor protecting switch
United States Patent 3005075
US Patent References:
Snap action switch
- - 2313341

Handle-operated electric motor starting switch
- - 2674672

Thermal circuit breaker
- - 2952758


Inventors:
Jakob, Ellenberger
Publication Date:
10/17/1961
View Patent Images:
Assignee:
ELLENBERGER & POENSGEN
Primary Class:
Other Classes:
337/102, 337/82
International Classes:
A41F9/02; H01H71/16; H01H71/74; A41F9/00; H01H71/12; H01H71/00
Foreign References:
FR969153A
CA520772A