Circuit breaker provided with parallel resistor

Details Circuit breaker provided with parallel resistor Circuit breaker provided with parallel resistor

1982-09-30

1984-12-18

Albritton, C. L.

Electrical resistors

Mechanically variable

With switch

200144AP, 338215, H01C 1050

Patent

active

044892918

ABSTRACT:
A circuit breaker fitted with a parallel resistor and provided with main contacts and resistor contacts arranged electrically in parallel with the main contacts wherein the resistor is formed of a material selected from the group consisting of Cr, CrN, Cr.sub.3 C.sub.2, CrB, NiO and Mgo. The resistor element generally is made of a material in which the product of the specific heat expressed in Cal/g.degree.C. with the density expressed in g/cm.sup.3 is at least 0.7.

REFERENCES:
patent: 3763340 (1973-10-01), Noack
patent: 3766510 (1973-10-01), Quinn
patent: 3811103 (1974-05-01), Matsuoka et al.
patent: 4213113 (1980-07-01), Brandt et al.
patent: 4265844 (1981-05-01), Yokomizo et al.

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