H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/329
H01H 9/30 (2006.01) H01H 9/00 (2006.01) H01H 73/04 (2006.01) H01H 1/22 (2006.01)
Patent
CA 1330818
ABSTRACT A crossbar spanning the poles of a multiple pole circuit breaker. The crossbar is formed from a structural member such as beam having an I-shaped cross-section, wherein an insulating material such as plastic is molded to the beam. The shape of the structural member is such that it provides a high strength to weight ratio. The plastic is molded such that it includes means for inhibiting arcing between the poles of the circuit breaker.
610713
Buxton Clifford A.
Leone David A.
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
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