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OM8 Moulded Case Circuit Breaker (MCCB)
1.Application
OM8 series moulded case circuit breaker is one of breaker which adopts international ad-vanced design, manufacture technology to develop. The rated insulating voltage is 750V, suit-able for AC 50Hz(60Hz),rated working voltage 690V or below, rated working current is 12.5A to1250A of circuit and used in distributing electric energy, and non-frequent breaking in the nor-mal conditions , protecting the current& equipment from overload&under voltage, circuit breakerwith rated frame current 400A or below,can be used in mousecage motor's non-frequent start,breaking during working, protecting motor from overload, short circuit&undervoltage,the prod-uct conforms to IEC60947-2 standard.
2.Main Technical Specifications
Type	Pole number	Rated insulating voltage(V)	Rated operating voltage(V)	Rated ultimate short circuit breaking capacity Icu (KA) at 380/415V	Rated servies short circuit breaking capacity Ics at 380/415V(KA)	Operation performance		Utilization category
						ON	OFF
OM8-100N	3, 4pole	750	690 and below	25	25	1500	8500	A
OM8-100H				70	70
OM8-100L				150	150
OM8-160N				36	36	1000	7000
OM8-160H				70	70
OM8-160L				150	150
OM8-250N				36	36	1000	7000
OM8-250H				70	70
OM8-250L				150	150
OM8-400N				45	45	1000	4000
OM8-400H				70	70
OM8-400L				150	150
OM8-630N				45	45	1000	4000
OM8-630H				70	70
OM8-630L				150	150
OM8-1250N	3 pole			50	37.5	1000	4000
OM8-1600N				50	37.5