SIRIUS 3RT1036-1AH00 — Power Contactor, Size S2
Rated for AC-2 duty at 22 kW and AC-4 at 41 A, both at 400 V. At 500 V the motor power rating hits 30 kW; at 690 V it drops to 11.4 kW, reflecting the derating at elevated voltage. For DC switching, the contactor is rated 10 A at 24 V, 6 A at 230 V, and 3 A at 400 V. Those are resistive-load figures; inductive DC loads need additional margin or arc-suppression. The enclosure is rated IP20 on the front, IP00 at the terminals — meaning the wiring zone is exposed and must be inside a panel or enclosure. Pollution degree 3 (conductive pollution) is specified, so the contactor is suited for industrial environments where condensation or light dust is present.
Integration Notes
Width is 55 mm, height 112 mm, depth 115 mm. Side-by-side mounting is permitted, so multiple contactors can be ganged without spacing gaps — useful when packing a row on the DIN rail. Solid conductors: accepts 2x (0.5 to 1.5 mm²), 2x (0.75 to 2.5 mm²), max 2x (0.75 to 4 mm²). Stranded: 2x (0.75 to 25 mm²). The main circuit terminals are screw-type; torque settings follow standard Siemens SIRIUS practice. Mechanical switching frequency varies by duty: AC-1 at 1000 cycles/h, AC-3 at 800 cycles/h, AC-4 at 300 cycles/h. The AC-4 limit is the binding one for frequent reversing or jogging applications. The voltage tolerance at 50 Hz is 0.8 to 1.1 times the rated control supply voltage.