Switching device for power distribution

Details Switching device for power distribution Switching device for power distribution

2007-10-23

2007-10-23

Chervinsky, Boris (Department: 2835)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electrical power distribution systems and devices

C361S603000

Reexamination Certificate

active

11199245

ABSTRACT:
An object of the present invention is to provide a switching device for power distribution, wherein the entire load side-area including a circuit breaker can be protected against the grounding, whereby the protection region can be widened, leading to an enhancement in reliability. A circuit breaker, a current transformer and a zero-phase current transformer disposed in series are constructed as a unit, mounted on a carriage and accommodated in a power-receiving/distributing board. The switching unit for power distribution is constructed for connection to and for disconnection from a power source side-conductor and a load side-conductor. The zero-phase current transformer is disposed at a power source side-portion of the circuit breaker.

REFERENCES:
patent: 4305114 (1981-12-01), Takagi et al.
patent: 4504885 (1985-03-01), Yoshikawa et al.
patent: 5539614 (1996-07-01), Ishikawa et al.
patent: 03082309 (1991-04-01), None
patent: 7-11813 (1995-02-01), None
patent: 2003-189422 (2003-07-01), None
patent: 2003189422 (2003-07-01), None

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