Motor Starter

Signaling contacts CK1 with screw terminals signal the tripping of the manual motor starter in case it was caused by

Signaling contacts SK1 with screw terminals signal the tripping of the manual motor starter. For SK1 the indication on the

Auxiliary contacts HKF1 change position with the main contacts of the manual motor starter. They are mounted on the front

HKF1-20 Aux.-contact 2 NO, front mounting

Undervoltage release UA1 releases the manual motor starter or prevents it from being switched on when its voltage supply is interrupted. This can be used in emergency switching circuits or can prevent an automatic restart after voltage interruption. UA1 is attached laterally on the left side of MS116, MS132 or MS165 manual motor starters.