KTMAX moulded case circuit breaker (MCCB)
Application
KTMAX MCCB is suitable for circuit AC 50Hz/60Hz, rated voltage up to AC 660V rated operating current up to 250A. It features normal structure, reliable performance, high breaking capacity, used for power distribution and protecting the circuit and electrical equipment against overload and short circuit. It complies with standatd of IEC60947-2.
TypeKTMAX-160KTMAX-250Poles number33Rated current In(A)16~160100~250Rated operating voltage Ue(V) (50/60Hz)690690Rated insulation voltage Ui(V)800800Rated impulse withstand voltage Uimp(kV)88Utilization categoryAARated limited short-circuit breakking capacity Icu(kA)220/230V2550380/415V1636400V1025500V820690V35500-3poles in series1636Rated short-circuit service breakking capacity Ics10075