Ground fault circuit interrupter

Details Ground fault circuit interrupter Ground fault circuit interrupter

1989-04-19

1990-06-12

Deboer, Todd E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

361 46, H02H 326

Patent

active

049338013

ABSTRACT:
A ground fault circuit interrupter which continues to provide ground fault protection in the event of loss of neutral includes a blocking means formed by a pair of back-to-back Zener diodes which complete an energizing path for a circuit breaker on loss of neutral. The circuit interrupter also includes a standby rectifier circuit formed by a pair of diodes which complete a full wave rectifier having line and earth inputs in the event of loss of neutral.

REFERENCES:
patent: 4068276 (1978-01-01), Pintell
patent: 4598331 (1986-07-01), Legatti
patent: 4736265 (1988-04-01), Gyongyosi et al.

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