Mains protection device

Details Mains protection device Mains protection device

1985-09-27

1987-11-17

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

361 86, 361187, 307140, H02H 320

Patent

active

047077603

ABSTRACT:
A mains protection device for a.c. mains comprises a circuit for detecting whether or not the mains voltage is within an amplitude window. When the voltage goes above or below the window, the mains is disconnected from an appliance and when the voltage returns to within the window for a preset time, the mains is reconnected to the appliance.

REFERENCES:
patent: 3611162 (1971-10-01), Tochitani
patent: 3836790 (1974-09-01), Becker
patent: 4510549 (1985-04-01), Tedesco
patent: 4541029 (1985-09-01), Ohyama
patent: 4584623 (1986-04-01), Bello et al.

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