Circuit breaker contacts condition indicator

Details Circuit breaker contacts condition indicator Circuit breaker contacts condition indicator

H - Electricity

01

H

H01H 9/16 (2006.01) H01H 71/04 (2006.01) H01H 71/46 (2006.01) H01H 73/12 (2006.01)

Patent

CA 2059912

41PR-6786 CIRCUIT BREAKER CONTACTS CONDITION INDICATOR ABSTRACT OF THE DISCLOSURE The open and closed conditions of the contacts within industrial-rated circuit breakers is externally ascertained by means of an auxiliary switch-contact position verifier acces- sory. A viewing aperture in the circuit breaker accessory cover provides visual access to a color-coded shutter that forms part of the auxiliary switch accessory and operates off the circuit breaker crossbar assembly. In the event that the circuit breaker contacts remain closed when the circuit breaker operating handle is moved to the OFF position, the colored indicia verifies the actual condition of the circuit breaker contacts.

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