CIRCUIT BREAKER Russian patent published in 2016 - IPC H01H71/02 

FIELD: electricity.

SUBSTANCE: circuit breaker includes an end switching unit installed in its body. End switching unit contains in its base, which is its outer shell, a fixed contactor and a movable contactor, which come into contact and are separated from each other, a sliding unit supporting the moving contactor with the ability to turn, and a detecting mechanism to detect the fault current. Radiators are provided on side sections of at least one of the contact sections, where the movable contactor comes into contact with the fixed contactor, the sliding unit and the detecting mechanism, and each radiator emits heat in the direction to the external part of the base.

EFFECT: provides is prevention of the circuit breaker temperature rise within the limited space causing the circuit breaker faults and damages of the user.

10 cl, 11 dwg