Sieno CM1 Series Moulded case circuit breaker

1. Application
CM1 series moulded case circuit breaker is one of products developed and manufactured by adopting international advanced technology. It is supplied with rated insulating voltage 550 and 800V and used for circuit of AC 50/60Hz, rated operating voltage AC 400V (or below), rated operating current up to 1600A for infrequent changing over and starting of the motors.The products conforms to IEC60947-2 standard.

2. Main Technical Specification

Type	Rated current (A)	Polenum-ber	Ratedinsui-atingvolt-age(V)	Rated operat-ingvolt-age(V)	Arcing- over distance (mm)	Ultimate short circuit breaking capacity (KA)	Servies short circuit breaking capacity (KA)	Operation perform- ance		Utiliza-tioncat-egory
								Load	Unload
CM1-63L	(6),10 16,20 25 ,32 40,50 63	3, 4	500V	400V	0	25	18	1500	8500	A
CM1-63M					0	50	35
CM1-100L	(10),16 20,25 32,40 50,63 80,100		800V		0(≤50)	35	22
CM1-100M					0(≤50)	50	35
CM1-100H					0(≤50)	85	50	1000	7000
CM1-225L	100,125 160,180 200,225				≤50	35	22
CM1-225M					≤50	50	35
CM1-225H					≤50	85	50	1000	4000
CM1-400L	225,250 315,350 400				≤50	50	35
CM1-400M					≤100	65	42
CM1-630L	400,500 630				≤100	50	35
CM1-630M					≤100	65	42
CM1-630H					≤100	100	65
CM1-800M	630,700 800	3			≤100	75	50
CM1-800H					≤100	100	65
CM1-1250M	1000,1250				≤100	100	65
CM1-1250H					≤100	125	75
CM1-1600M	1600				≤100	150	80

Note: 6A without thermal protection
The N-pole of four-poles breaker is sited at the right side of the product has four types:
Type A: Without current trip-lease on N pole which making all the time, not closing and opening with the other three poles.
Type B: Without current trip-release on N pole which closing and opening with the other poles.
Type C: With current trip-release which closing and opening with the other three poles.
Type D: With current trip-release which making all the time not closing and opening with the other three poles.