circuit breaker Can be used in each fuse socket with E27 thread according to DIN 40440, screwed into the fuse socket. circuit breakerS101mini circuit ... switched off when the red push-button is pressedb) In case of emergency, the failure should be found and eliminated, before ... Shanghai CET Group have 7 branches in China to produce:Circuit breaker: mcb, rccb, mccb, rcbo.AC contactor: LC1-D, GMC, CJ40 ...