Siemens 3RT2016-1AK61 is a 3-pole power contactor designed for AC-3 duty, rated for 9 A and capable of switching up to 4 kW at 400 V. The coil is rated for 110 V AC at 50 Hz or 120 V AC at 60 Hz, aligning with the model's 120 V coil configuration; it also includes one normally open auxiliary contact for signaling or interlocking. This S00-size unit uses screw-terminal connections and is intended for controlling three-phase loads such as induction motors, pumps, and fans in industrial automation. Applications include starting and stopping motors in conveyor systems and processing equipment where compact, reliable control is required.
