High Quality Auto Self Reclosing RCCB Csm2l MCCB Circuit Breaker

residual current operation circuit breaker(shortened as auto reclosing) is a newly-developed new-generation integrative multi-functional product which adopts patent technology and conforms to all intelligent requirements of state grid administration. It's the priority product to cooperate with China National Grid. It is equipped with functions of short-circuit, over-current, residual current, phase failure, off zero and special wave; Apart from these, we also have residual current display, real-time load current display, phase voltage display, on-off indication, time display and fault inquiry; What's more, it has functions of auto-reclosing after residual current operation circuit breaker acts when residual current, under-voltage, overvoltage, phase failure happens. It is used in power distribution circuit of AC 50Hz rated insulation voltage 800V(690V for 100A frame current), rated voltage 380/400V,rated current 40A-630A to distribute energy and protect circuit line.       It is widely used in three phase four wire neutral point directly grounded(TT system) LV grid to provide indirect contact protection against personal electric shock hazard and also is used to protect against grounding fault, over-current and short circuit of circuit or equipments.Conformity StandardConforms to GB14048.2 standard  Main Technical Parameter 1. Technical Specification Frame100250Rated insulation voltage Ui(V)690800Rated impulse withstand voltage Uimp(kV)66Rated working voltage Ue(V)380/400380/400Working categoryAABreaking capacity Icu/Ics35/17.550/25Rated current(A)Thermalelectromagnetic type40/50/63/80/100100/125/160/180/200/225/250Electronic type40-100(adjustable)100-250 (adjustable)Rated residual operation current IΔn(mA)75/150/300/50075/150/300/500Rated residual no-operation current (mA)1/2IΔnMaximum breaking time (s)0.2/0.5/OFF(residual current alarm no trip)Re-closing time (s)20-60Residual operation typeACWeight (kg)34  Frame400630Rated insulation voltage Ui(V)800800Rated impulse withstand voltage Uimp(kV)66Rated working voltage Ue(V)380/400380/400Working categoryAABreaking capacity Icu/Ics70/3570/35Rated current(A)Thermalelectromagnetic type200/250/315/350/400400/500/630Electronic type160-400(adjustable)250-630(adjustable)Rated residual operation current IΔn(mA)100/150/300/500100/300/500/1000Rated residual no-operation current (mA)1/2IΔnMaximum breaking time (s)0.2/0.5/OFF(residual current alarm no trip)Re-closing time (s)20-60Residual operation typeACWeight (kg)1012Note: We can customize any of the four types(75mA, 150mA, 300mA, 500mA) for 100/250 frame.We can customize any of the four types(100mA, 150mA, 300mA, 500mA) for 4001/630 frame.  2. Protection Characteristics of Thermal Electromagnetic Over-current ReleaseAmbivalent TemperatureTesting CurrentRelease TimeCondition≤6.3 >6.3+40°C1.05Inno trip within 1hno trip within 2hcold starts1.3Intrip within 1htrip within 2hhot startssuitable for  any temperature10In