Siemens 3TK4422-0A Industrial Electrical Contactor is a Siemens-manufactured switch used to control power circuits in industrial automation and motor-control applications. It belongs to Siemens' 3TK contactor lineup, designed for energizing to close and energizing to open circuits in control panels. The part number 3TK4422-0A uniquely identifies this unit within the 3TK family.
