Siemens SIRIUS 3RT2017-1BB41 is a three-pole power contactor (size S00) designed for AC-3e/AC-3 duty and rated for 5.5 kW at 400 V, corresponding to 12 A per pole. It uses a 24 V DC coil and includes one normally open auxiliary contact, with screw-terminal main and auxiliary connections for straightforward wiring. This compact Siemens 3RT2 device is intended for motor control in industrial panels where space is at a premium and reliable three-phase switching is needed for machines powered from 400 V systems.
