Remotely controllable circuit breaker

Details Remotely controllable circuit breaker Remotely controllable circuit breaker

1989-01-09

1990-01-30

Tolin, Gerald P.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 20, 335 6, H01H 7500

Patent

active

048976253

ABSTRACT:
A remotely controllable circuit breaker with an improved space saving structure comprises first and second movable contacts 11 and 12 which are held respectively on first and second contact arms 31 and 32 and are driven individually by a switching mechanism 20 including a manual handle 22 with a contact tripping capability and by a remote control signal responsive electromagnet 60. An L-shaped actuator 80 with a horizontal member 81 and a vertical member 83 is provided to operatively connect the second contact arm 32 to an axially movable core 63, the output member of the electromagnet 60. The actuator 80 is pivoted at its connection between the horizontal and vertical members 81 and 83 and carries the second contact arm 32 on its vertical member 83 for pivotal movement of the second contact arm 32 between operative and inoperative positions respectively enabling and disabling the contact closing. The electromagnet 60 is arranged in side-by-side relation to the switching mechanism 40 with the first and second contact arms 31 and 32 interposed therebetween. The actuator 80 is located in proximity to the electromagnet 60 with the vertical member 83 extending over the lengthwise dimension or the axial direction of the core 63 and with the horizontal member extending over the width dimension of the electromagnet 60 to thereby accommodate the substantial portion of the actuator 80 within the lengthwise and widthwise dimensions of the adjacently disposed electromagnet 60.

REFERENCES:
patent: Re32882 (1989-03-01), Yokoyama et al.
patent: 4598263 (1986-08-01), Heyne et al.
patent: 4604596 (1986-08-01), Yokoyama et al.
patent: 4682132 (1987-07-01), Belbel et al.
patent: 4700160 (1987-10-01), Belbel et al.

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