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Circuit Breakers ,SPD > Molded Case Circuit Breaker (MCCB) > TKM9 Molded Case Circuit Breaker
Application
¡ñ TKM9 series molded case circuit breaker is applicable circuit of AC 50Hz (or 60Hz), rated insulation Voltage 660V, rated operating Voltage underAC 660V, 250V(DC), rated operating current 10A-800A, for distribute energy of electricity and infrequent making and breaking circuit, in normal conditions. ¡ñ 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 IEC 947-2, GB14048.2, GB14048.4 and so on.
Tripping characteristics of MCCB
¡ñ The thermodynamic release of the breaker has the advantages of inversing time-delay while the instantaneous operation as shown on table 1 (distribation circuit breaker) and table 2 (motor protection circuit breaker).