Siemens 3RT1015-1AK61 Contactor

Siemens 3RT1015-1AK61 is a Sirius 3-pole power contactor (size S00) with three main normally open contacts and one normally open auxiliary contact, rated for AC-3 motor-control with a load-side voltage up to 690 VAC. The coil is rated for 110 VAC at 50/60 Hz (and 120 VAC at 60 Hz in regions with 60 Hz control), enabling reliable actuation from common control circuits. On the power side it supports 18 A at 400 V (AC-1) and a 3 kW/400 V AC-3 rating, with screw-terminal connections for straightforward wiring. It features a mechanical life of up to 30,000,000 cycles and an auxiliary-contact life of up to 10,000,000 cycles, making it suitable for frequent switching in automation and motor-control applications.