Operating mechanism for a four-pole circuit breaker

Details Operating mechanism for a four-pole circuit breaker Operating mechanism for a four-pole circuit breaker

1992-10-20

1994-10-18

Pellinen, A. D.

Electricity: circuit makers and breakers

Multiple circuit control

Operating means

200144R, H01H 300, H01H 920

Patent

active

053570669

ABSTRACT:
The operating mechanism of the four-pole circuit breaker comprises an auxiliary mechanism coupled to the main mechanism. The spring of the auxiliary mechanism exerts a torque on the bar, opposing the force of the contact springs when the circuit breaker completes its closing travel and when it is closed; the spring ceases to act on the bar when the circuit breaker has begun its opening travel and when it is open.

REFERENCES:
patent: 4376270 (1983-03-01), Staffen
patent: 4383146 (1983-05-01), Bur
patent: 5029301 (1991-07-01), Nebon et al.

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