Motor-rated contactor for S00 panel footprint
The Siemens 3RT2017-1UB42-1AA0-Z W96 is a 3-pole power contactor from the SIRIUS family, rated AC-3e/AC-3 at 12 A and 5.5 kW at 400 V — the AC-3e rating means it's optimized for switching three-phase induction motors under full load, with the 'e' suffix indicating enhanced electrical endurance per IEC 60947-4-1. Size S00 (58 x 46 x 74 mm) fits the standard Siemens S00 contactor footprint on DIN rail, with screw terminals for power and auxiliary wiring. One normally-closed auxiliary contact is built in — enough for a feedback loop to a PLC or safety relay, but you'll add a separate auxiliary block if you need more.
Active lifecycle — no end-of-life pressure
RoHS compliance is confirmed since October 2009, and REACH candidate-list information is available from Siemens. No UL or CSA listing appears in the spec record, so verify with your local Siemens office if a third-party certification is required for your panel.
Sourcing and fit for the BOM line
Group code R711 and product group 5330 are Siemens internal classification fields — useful for cross-referencing in your ERP or Siemens ordering portal, but not a selection parameter.