Miniature circuit breakers

Details Miniature circuit breakers Miniature circuit breakers

H - Electricity

01

H

H01H 73/50 (2006.01) H01H 71/32 (2006.01) H01H 71/40 (2006.01) H01H 71/52 (2006.01) H01H 71/74 (2006.01) H01H 73/04 (2006.01) H01H 73/18 (2006.01) H01H 71/50 (2006.01)

Patent

CA 2065031

2065031 9102370 PCTABS00003 A miniature circuit breaker for domestic and like electricity supply circuits has a double break design featuring a contact carrier (28) mounted on a plastic sliding carriage (60) directly connected to a coiled tension spring (108) and controlled by a latch mechanism which releases it for completely independent breaking movement on overload. Major parts of the latch mechanism are moulded in a plastics material. An anti-bounce stop (120) is provided for the carriage. Simple adjustement of the trip point is provided by a threaded adjuster which moves a thermal trip lever (88). Leaf springs(114, 134) position the movable contacts and the plunger (126) of the overload-detecting solenoid (24).

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