1SAM201901R1004

ABB 1SAM201901R1004 HKF1-01 Auxiliary Contact is a compact, front-mounted auxiliary contact designed for ABB manual motor starters and motor protection devices. It provides one normally closed (1NC) contact that changes state together with the main contacts of the manual motor starter. The HKF1-01 is suitable for control circuit monitoring, motor ON/OFF status indication, electrical interlocking, PLC feedback, automation signaling and switchgear control applications. Its front-mounting design allows easy installation while maintaining a compact panel arrangement. The unit uses robust screw terminals, has a rated insulation voltage of 250 V, and is specified for operation from -25°C to +60°C.