Circuit breaker trip solenoid assembly

Details Circuit breaker trip solenoid assembly Circuit breaker trip solenoid assembly

Category

H - Electricity

Subcategory

02

Subsubcategory

H

CPC

306/79

IPC codes

H02H 3/08 (2006.01) H01H 71/26 (2006.01) H01H 75/12 (2006.01) H01H 71/10 (2006.01) H01H 71/32 (2006.01)

Type

Patent

Patent number

CA 1272233

Description

Abstract An electronic circuit breaker having a trip solenoid assembly. The trip solenoid assembly includes a permanent magnet, plunger, trip coil and assist coil and is positioned adjacent to a phase conductor. At high current levels the phase conductor generates a flux that may cause the circuit breaker to nuisance trip. An assist coil is wound adjacent the trip coil. The assist coil is energized only when the current through the circuit breaker is of such a level so as to cause nuisance tripping. The assist coil is not energized during that time period when the trip coil is energized.

Application Number

550114

Affiliated with

Also associated with

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