ZGM21-63 4P Mini Circuit Breaker

Basic Info.Model NO.ZGM21-63Breaking CapacityLow Voltage Circuit BreakersOperation Electric Type SpeedHigh-Speed Circuit BreakerArc-extinguishing Medium Air InstallationDIN Rail MountingStructureConventional Circuit BreakerCertificationCE,CB,Semko,NfTypeCircuit BreakerFunction Overcurrent Protection TrademarkZJZG, F&S or OEMOriginWenzhou, ChinaHS Code85362000Product Description Mini Circuit Breaker(MCB) is applicable to circuit with rated voltage up 400V AC, rated frequency 50/60Hz and rated current up to 63A for protection and control of circuit against overload and short circuit in commercial, household and electric equipment installation. The product is suitable for non-frequently making and breaking operation. Frame class 63A Rated working voltage 240V/415V Rated frequency 50/60Hz Rated working current 1, 3, 6, 10, 16, 20, 25, 32, 40, 50, 63A Making and breaking capacity 6000A(6~40A), 4500A(50, 63A) Release type B, C, D Poles 1, 2, 3, 4P Mechanical life 20000 Electric life 4000   Sequence NO. Release Test current I/In Start state Tripping time Expected results 1 B, C, D 1.13In Cold state t≤ 1h Not tripping 2 B, C, D 1.45In Start right after the serial NO. 1 test t< 1h Tripping 3 B, C, D 2.55In Cold state 1s Tripping 4 B C D 3In 5In 10In Cold state t≤ 0.1s Not tripping 5 B C D 5In 10In 20In Cold state t< 0.1s Tripping