Current sensor for an electronic trip device

Details Current sensor for an electronic trip device Current sensor for an electronic trip device

1991-02-21

1992-01-21

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With coupling means

324105, 335172, 338 49, G01R 1504, H01C 700

Patent

active

050830813

ABSTRACT:
A measuring sensor of an electronic trip device of a circuit breaker comprises a shunt in the form of a hollow cylinder inside which there is located an electronic processing unit, comprising an amplifier circuit and an input resistance in good thermal contact with the internal face of the cylinder.

REFERENCES:
patent: 2640092 (1953-05-01), Fett et al.
patent: 2945180 (1960-07-01), Parker
patent: 3112444 (1963-11-01), Parker
patent: 4374359 (1983-02-01), Missout
patent: 4629979 (1986-12-01), Missout et al.
patent: 4710738 (1987-12-01), Neel et al.

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