Ground fault and fire detector system

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

1977-05-06

1979-07-31

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

361 44, 361 45, H02H 316

Patent

active

041632699

ABSTRACT:
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.

REFERENCES:
patent: 3787708 (1974-01-01), Hobson, Jr.
patent: 3872355 (1975-03-01), Klein et al.

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