Contact pad designed for a movable electrical contact of a...

Details Contact pad designed for a movable electrical contact of a... Contact pad designed for a movable electrical contact of a...

2005-11-01

2009-10-06

Barrera, Ramon M (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Contact composition or structure

C200S262000, C200S265000, C200S266000

Reexamination Certificate

active

07598832

ABSTRACT:
Contact pad designed to be fixed on a movable contact of a low-voltage circuit breaker designed to withstand peak short-circuit currents comprised between 200 and 600 amperes per square millimeter of pad. The pad is made of a silver- or copper-based conducting material alloy, a fraction of refractory particles such as tungsten carbide, tungsten or titanium nitride and a fraction of carbon fibers. The weight percentage of carbon fibers in the pad is strictly less than 2% of the total weight of the pad.

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