Multiple circuit breaker with double break rotary contact

Details Multiple circuit breaker with double break rotary contact Multiple circuit breaker with double break rotary contact

1988-10-17

1990-03-20

Scott, J. R.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Contact-actuating means

200244, 200248, 200287, H01H 300

Patent

active

049104853

ABSTRACT:
A breaking device for a low voltage circuit breaker comprises in each pole a switching bar, a pair of stationary contacts connected to the connection terminals, a double-break rotary contact extending in a housing of the bar, and two arc chutes disposed on each side of the bar. Two contact pressure springs ensure elastic positioning of the rotary contact along the longitudinal direction of the pole. Pivoting of the rotary contact takes place around a fictitious axis mounted floating with respect to the fixed rotation axis of the bar.

REFERENCES:
patent: 3177332 (1965-04-01), Bethke
patent: 4649247 (1987-03-01), Preuss et al.

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