... developed by our company by comprehensively a CM1) series moulded case circuit breakers are one of the new breakers designed ... Number ofpoles Flashoverdistance CM1-63L 63 (6), 10, 16,20, 25, 32,40, 50, 63 400 500 25 12.5 ... 3 ≤50 CM1-63M 63 50 25 3,4 CM1-100L 100 16, ... 20, 25,32, 40, 50,63, 80, 100 690 800 35/8 17.5/4 ... 800 100 50 3 Transparent Surface MCCB CM1 Circuit breaker