Medium tension gas blast circuit breaker

Details Medium tension gas blast circuit breaker Medium tension gas blast circuit breaker

1990-04-17

1991-02-12

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200148A, 200148B, H01H 3388

Patent

active

049926349

ABSTRACT:
A medium tension circuit breaker having a dielectric blast gas, the circuit breaker comprising a cylindrical insulating casing filled with dielectric gas under pressure, a fixed main contact, a fixed arcing contact, a fixed blast piston, and moving equipment connected to an operating member and comprising a moving main contact, a moving arcing contact, and a blast cylinder associated with a blast nozzle, wherein the circuit breaker includes a drive piston whose section is not less than 1.3 times the section of the blast piston, the drive piston moving relative to a second cylinder.

REFERENCES:
patent: 2957063 (1960-10-01), Leeds

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