Circuit breaker

Details Circuit breaker Circuit breaker

1993-03-19

1994-10-11

Pellinen, A. D.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200144AP, 200148R, H01H 3342, H01H 3350

Patent

active

053549597

ABSTRACT:
A double-break type circuit breaker includes two resistor contacts which are to be connected in parallel with respectively two main contacts when the main contacts are closed. An engagement mechanism is provided for linking the main contacts operated by a first hydraulic operation apparatus and the resistor contacts operated by a second hydraulic operation apparatus.

REFERENCES:
patent: 4215256 (1980-07-01), Sakaguchi et al.
patent: 4454394 (1984-06-01), Toyoda
patent: 4581510 (1986-04-01), Bischofberger et al.

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