OM1 Moulded Case Circuit Breaker (MCCB)

1. Application
OM1 series moulded case circuit breaker is one of products developed and manufactured byadopting international advanced technology. It is supplied with rated insulating voltage 800Vand used for circuit of A.C. 50Hz, rated operating voltage AC 400V (or below), rated operatingcurrent up to 800A for infrequent changing over and starting of the motors.The products con-forms to IEC60947-2 standard.

2. Main Technical Specification(table1)

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
OM1-63L	(6),10 16,20 25 ,32 40,50 63	3, 4	500V	400V	0	25	18	1500	8500	A
OM1-63M					0	50	35
OM1-100L	(10),16 20,25 32,40 50,63 80,100		800V		0(≤50)	35	22
OM1-100M					0(≤50)	50	35
OM1-100H					0(≤50)	85	50	1000	7000
OM1-225L	100,125 160,180 200,225				≤50	35	22
OM1-225M					≤50	50	35
OM1-225H					≤50	85	50	1000	4000
OM1-400L	225,250 315,350 400				≤50	50	35
OM1-400M					≤100	65	42
OM1-630L	400,500 630				≤100	50	35
OM1-630M					≤100	65	42
OM1-630H					≤100	100	65
OM1-800M	630,700 800	3			≤100	75	50
OM1-800H					≤100	100	65
OM1-1250M	1000,1250				≤100	100	65
OM1-1250H					≤100	125	5