Self-extinguishing expansion switch or circuit breaker

Details Self-extinguishing expansion switch or circuit breaker Self-extinguishing expansion switch or circuit breaker

1993-06-18

1994-12-13

Scott, J. R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200148R, 200148B, H01H 3318, H01H 33915

Patent

active

053731301

ABSTRACT:
A self-extinguishing expansion switch or circuit breaker, including an extinguishing chamber and an expansion chamber connected by a duct. The extinguishing chamber is positioned above the expansion chamber. An axially movable tube supports a movable arcing contact which is cooperable with a stationary arcing contact. The axially movable tube separates axially from a conducting tube supported by an operating rod such that the circuit breaker is in an isolated position beyond an open position.

REFERENCES:
patent: 4900882 (1990-02-01), Bernard et al.
patent: 5001313 (1991-03-01), Leclercq et al.
patent: 5057655 (1991-10-01), Kersusan et al.

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