Ground fault and fire detector system

Details Ground fault and fire detector system Ground fault and fire detector system

G - Physics

01

R

317/11

G01R 31/08 (2006.01) H02H 3/00 (2006.01) H02H 3/04 (2006.01) H02H 3/347 (2006.01) H02H 5/00 (2006.01)

Patent

CA 1101924

ABSTRACT OF THE DISCLOSURE A ground fault and fire detector system for an A.C. electrical power distribution apparatus including a multi-pole circuit interrupter to disconnect a poly- phase electrical power supply from a load. A single-pole circuit device is operatively connected to the circuit interrupter for controlling its operation. Ground fault sensing circuitry is operatively positioned with respect to at least one wire for initiating a fault current. The single-pole circuit device is responsive to the fault current for activating the circuit interrupter to disconnect the power supply from the load.

302757

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