ABB MS225-HK11 Manual Motor Protector

ABB MS225-HK11 Manual Motor Protector is a compact overload protection device for motors, rated 2.5 to 4.0 A, with a manually reset trip. It ships with an HK-11 auxiliary contact installed on the side, providing an additional 1 NO + 1 NC contact for signaling or interlocking in the control circuit. The MS225 is part of the ABB/ABB MS family of manual motor starters and protectors, designed for use with MS325/MS225 control gear in panel-mounted motor circuits, enabling integrated protection and status signaling. Typical applications include small industrial motors where overload protection and remote status indication are required, with the HK-11 contact enabling connection to control logic or indicators.