Product OverviewM1 series of moulded case circuit breaker is one of
our new type products developed and manufactured by adopting
international advanced technology. It is supplied with rated
insulating voltage 800V and used for circuit of A.C.50/60 Hz rated
operating voltage AC 400V(or below), rated operating current up to
1600A for infrequent changing over and starting of the
motors. Equiped with the protection devices for over-current,
short circuit and under voltagethe products are capable of
preventing damage of circuits and supply units. The products
conforms to GB14048.2, IEC60947-2 stardands.Classfication of
MCCBAccording to product poles, two kinds of three- pole and
four-pole are provided. The neutral pole(N pole) of four pole has
four types:Type A: No current trip-release on N pole which making
all the time; not closing and opening with the other three
poles.Type B: No current trip-release on N pole which closing and
opening with the other three poles.Type C: With current
trip-release on N pole which closing and opening with the other
three poles.Type D: With current trip-release on N pole which
making all the time; not closing and opening with the other three
poles. Main Tech Parameters TypeRated current(A)Pole
numberRated Insulating voltage(V)Rated Opreating
voltage(V)Arcing-Over Distande (min)Ultimate short Circuit Breaking
Capacity(kA)Service Short Circuit Breaking Capacily(kA)Operation
performanceM1-63S10,16,20,25 32,40,50,63Three four
pole500V400V0251815008500M1-63H05035M1-100L10,16, 20 25,32,40
50,63, 80 100800V02518M1-1OOS0(
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