| 摘要 |
The present invention relates to an extended actuating device for a circuit breaker (D), comprising a trip assistance device comprising: a first rotary device ( 3 ) integral in rotation with a control lever (M) of the circuit breaker (D), a second rotary device ( 4 ) integral in rotation with a remote control device (OD), the said second rotary device ( 4 ) being able to be driven in rotation by the first rotary device ( 3 ) as far as a first position corresponding to the tripped position (TRIP) of the lever (M) of the circuit breaker (D), a return spring ( 8 ) tending to force the second rotary device ( 4 ) towards its first position, a breakable mechanical link device ( 5, 6 ) able to release the return spring ( 8 ) when its breakable mechanical link is broken.
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