The Siemens 3RT2017-1AB02-Z W97 is a size S00 power contactor from the SIRIUS family, rated AC-3e/AC-3 at 12 A with a 5.5 kW switching capacity at 400 V. The 24 V AC coil (50/60 Hz) pulls in the main 3-pole set and the single NC auxiliary contact. AC-3e is the enhanced version of AC-3 for motor switching — the 12 A figure governs motor starting duty, not resistive heating, so this contactor is sized for a 5.5 kW three-phase induction motor on a 400 V line.
RoHS compliant since October 2009, with REACH Article 33 candidate list information available on request. No UL or IEC certification details appear in this listing, but the SIRIUS series typically carries IEC 60947-4-1 and UL 508 listing — verify the specific approval mark on the nameplate for your jurisdiction.
Size S00 snap-on mounting to DIN rail (35 mm). The 61.5 x 50 x 77.5 mm footprint leaves room for auxiliary contact blocks or a surge suppressor on the coil. Multi-unit packaging means 40 contactors arrive in one carton — plan for bulk handling at the panel bench.