Circuit breaker warning relay and control accessory

Details Circuit breaker warning relay and control accessory Circuit breaker warning relay and control accessory

1988-08-03

1989-10-24

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

340639, 340661, 361 50, 361 93, H02H 308

Patent

active

048766224

ABSTRACT:
A circuit breaker warning and control relay provides visual indication of an impending overcurrent condition. Sufficient time is thereby allotted for manual intervention to prevent damage to material and equipment utilized within sensitive manufacturing processes. The relay can be arranged to automatically shut-down selected equipment in a predetermined order for load-shedding implementation.

REFERENCES:
patent: 4385810 (1982-11-01), Wafer et al.
patent: 4589052 (1986-05-01), Dougherty
patent: 4652867 (1987-03-01), Masot
patent: 4672501 (1987-06-01), Bilac et al.
patent: 4703387 (1987-10-01), Scott
patent: 4710845 (1987-12-01), Demeyer
patent: 4768025 (1988-08-01), Vila-Masot
patent: 4780787 (1988-10-01), Dano et al.
Reg. #H248, Published 4/7/87, "Fuse Status Indicator System" by Middlebrooks.

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