Model: Siemens SIRIUS 3RH1911-1FA31 auxiliary contact block, 4‑pole with 3 normally open and 1 normally closed contacts.
Type / mounting: Size S00 top/front‑mounted auxiliary block with screw terminals, designed to snap onto 3RT1015, 3RT1016, 3RT1017 and other S00 motor/auxiliary contactors.
Ratings: Up to 690 V AC insulation, 10 A AC‑12 at 230 V, operational currents per IEC 60947‑5‑1; suitable for general‑purpose signaling and control circuits.
Status: Phased‑out Siemens product; preferred successor type is 3RH2911‑1HA31.
Lot of 6 modules removed from working panels; plastic housings, clip latches and terminals intact with no broken parts.
Normal cosmetic wear and some dust from service; labels and contact markings remain readable and terminal screws operate smoothly.
