Siemens 3RT2017-1AB02 Three-Phase AC Contactor

Siemens 3RT2017-1AB02 is a three-pole power contactor (AC-3) in the S00 size, driven by a 24 V AC control coil and equipped with one normally closed auxiliary contact. It handles up to 12 A and up to 5.5 kW at 400 V, making it suitable for motor starting and other load-switching tasks in industrial automation. The device uses screw-terminal connections and provides 690 V insulation, IP20 protection on the front and terminals, and a 6 kV surge withstand between coil and main contacts, with a 50/60 Hz coil rating. This Siemens part is part of the SIRIUS 3RT2 family and is designed for reliable operation in control circuits where compact 3-pole switching is required.