Application TKM9(ABB-S, HSM1,HM3)Series moulded case circuit breaker, It's applicable circuit of AC 50Hz or 60Hz,rated insulation voltage 660V,operating voltage under AC 660V, 250V(DC), rated operating current 10A-800A,for distribute energy of electricity and infrequent making and breaking circuit. In normal conditions , the MCCB rated current under 400A they are provided with the function of the protection against overload and short circuit and undervoltage. The MCCB complies with standard of IEC947-2, GB14048.2, GB14048.4 and so on.
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