Siemens 3RT2028-2AK60 is a three-pole SIRIUS 3RT2 contactor (AC-3) rated for motor loads up to 18.5 kW at 400 V and 38 A. It uses a coil rated at 110 V AC (50/60 Hz) or 120 V AC (60 Hz) to suit standard control circuits, and includes one normally open and one normally closed auxiliary contact (1 NO + 1 NC) with spring-loaded terminals in size S0. This compact 3-pole device is designed for switching three-phase motors and other AC loads in industrial control panels.
