CH2 draw-out type

Inner accessories of molded case circuit breaker: under-voltage release, shunt release, auxiliary contact, alarm contact, auxiliary alarm contact; Outside accessories of case circuit breaker: manual operation mechanism, electric operation mechanism, inserted front and back connection device, circuit breaker draw-out device and dual supply automatically switching device (ATSE). The main inner accessories of molded case circuit breaker, namely, auxiliary contact, alarm contact, auxiliary alarm contact, shunt release and under-voltage release ensure the control and alarm signals can be send when the circuit breaker is in on, off or fault release position. And the protection for remote break off and under-voltage auto break off are added so as to facilitate the automation of electricity transmission and distribution network.