Siemens 3RT2016-1AP01 Three-Phase AC Contactor

Siemens 3RT2016-1AP01 is a three-pole power contactor in the S00 size designed for AC-3 and AC-3e motor control. The coil operates at 230 V AC, energizing three main contacts to switch a 3‑phase load, with a 9 A rated current at 400 V (approximately 4 kW for a typical 400 V motor). It includes one normally open auxiliary contact for control signaling or interlocking, and the main contacts use screw terminals for secure wiring. The unit is intended for upright mounting, making it straightforward to install in compact control cabinets. This Siemens device is commonly used to start and stop motors in automation applications such as conveyors, pumps, machine tools, and packaging lines, where a compact footprint and reliable switching are essential. As part of the 3RT2 family, the 3RT2016-1AP01 combines three main contacts with a single auxiliary contact to interface with PLCs and interlocks, delivering a dependable solution for controlling 3‑phase loads while fitting into space‑constrained panel layouts.