Siemens 3TF4622-0AK61 is a NEMA Size 2, non-reversing, three-pole power contactor designed for AC motor control with a 110/120 V coil rated for 50/60 Hz. It uses screw terminals and provides auxiliary contacts—2 normally open and 2 normally closed—for circuit interlocking and control. The device is specified for AC-3 duty and can handle motor loads up to 22 kW at around 400 V (380–400 V range), making it suitable for starting and stopping three-phase motors in industrial equipment.
