The Siemens 3RT2017-2BB41 is a compact three-pole power contactor (size S00) with a 24 V DC control coil, designed for AC-3e/AC-3 duty and rated for 12 A on the main circuit with a 5.5 kW, 400 V load rating. It includes one normally-open auxiliary contact (1 NO) and features spring-loaded terminals for reliable wiring in control panels. This three-pole device is intended to switch motor loads and other inductive circuits in industrial automation where a small footprint and robust performance are required.
