H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/60
H01H 75/00 (2006.01) H01H 77/10 (2006.01)
Patent
CA 1252137
ABSTRACT OF THE DISCLOSURE An electric circuit breaker with high interrupt- ing capacity characterized by a multi-phase circuit breaker including a crossbar rotatable on its longitudinal axis and having an enlarged portion; a contact carrying arm pivotal- ly mounted on the enlarged portion in response to an overload current at a positions paced from the axis; and a spring biased retainer contacting the arm for yieldingly retaining the arm in a contact closed position below a predetermined current rating.
507470
Leone David A.
Marks Douglas C.
Oldham And Company
Westinghouse Electric Corporation
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