PKZM0 with bimetal releases and current-dependent delay offers proven technical solution for motor protection, the releases offer phase failure sensitivity and are temperature compensated, the rated currents of PKZM0 up to 32A are divided into 15 ranges.
The installation and supply cable are reliably protected and motor startup is ensured by short-circuit releases, permanently set to 14xIu.
The following accessories complement the motor-protective circuit-breaker for the various secondary functions:
●Undervoltage releases U;
●Shunt releases A;
●Standard auxiliary contacts NHI;
●Trip-indicating auxiliary contacts AGM;