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YCM3 Moulded Case Circuit Breaker

  • General
    YCM3 series moulded case circuit breaker(herein after called circuit breaker)which adopts international advanced design and manufactural technology, small and compact, modularization, high breaking capacity, short arcing-over distance, environment protecting etc. They are applied for the power distribution network of AC 50Hz,rated working voltage 690V and below, rated current from 12.5A to 1600A, it can be used to distribute electric power and protect power equipment against overload, short circuit, undervoltage etc. The circuit breaker can change the circuit and start motor infrequently. YCM3 series circuit breaker is equiped with intelligent controllers, with the increasing selection range of setting current,power supply is more reliable, successive and safe. The YCM3 complies with standard of IEC60947-2,GB14048.2. This product have isolating function.
    Type designation

    blank for power distribution 2 for motor protection Tripping mode and accessories code(Table 1) Number of poles (3P, 4P) Operation mode: blank: direct operation with handle Z: operation with rotary handle P: motor-driven operation Code of breaking capacity: N-standard type H-current limiting type Frame size (100, 160, 250, 400, 630, 1600A) Design sequence number MCCB Company code
  • Technical Data
    Breaker's overload long delay & short-circuit instaneous protection feature refer to diagram below

    Release method and accessories code

  • Product overview

    YCM3-100,160,250 shape & dimension

    Attention1:when In>100A,fixing screw should be M8,when In<100A,fixing screw size should be M6.

    YCM3-400,630 shape & dimension

    YCM3-1600 shape & dimension