Siemens SIRIUS 3RA24 size S0-S0-S0 star-delta (wye-delta) contactor assemblies: line, star and delta contactors with timing function, fully wired and tested. For reduced-current starting of induction motors up to 22 kW at 400 V.
Technical data
| Series | 3RA24 |
|---|---|
| Product type | Star-delta (wye-delta) assembly |
| Contactor sizes | S0-S0-S0 |
| Rated current Ie (400 V) | 25–50 A |
| Motor rating (400 V) | up to 22 kW |
| Coil | AC (50/60 Hz) or 24 V DC |
| Terminals | Screw or spring-loaded |
| Condition | Fully wired and tested |
| Standard | IEC 60947-4-1 |
Article numbers
| Ie 400 V (A) | 230 V (kW) | 400 V (kW) | 690 V (kW) | Coil voltage | Screw | Spring-loaded |
|---|---|---|---|---|---|---|
| 25 | 7.1 | 11 | 19 | 24 V AC | 3RA2423-8XF32-1AC2 | 3RA2423-8XF32-2AC2 |
| 25 | 7.1 | 11 | 19 | 110 V AC | 3RA2423-8XF32-1AG2 | 3RA2423-8XF32-2AG2 |
| 25 | 7.1 | 11 | 19 | 230 V AC | 3RA2423-8XF32-1AL2 | 3RA2423-8XF32-2AL2 |
| 32/40 | 11.4 | 15/18.5 | 19 | 24 V AC | 3RA2425-8XF32-1AC2 | 3RA2425-8XF32-2AC2 |
| 32/40 | 11.4 | 15/18.5 | 19 | 110 V AC | 3RA2425-8XF32-1AG2 | 3RA2425-8XF32-2AG2 |
| 32/40 | 11.4 | 15/18.5 | 19 | 230 V AC | 3RA2425-8XF32-1AL2 | 3RA2425-8XF32-2AL2 |
| 50 | – | 22 | 19 | 24 V AC | 3RA2426-8XF32-1AC2 | 3RA2426-8XF32-2AC2 |
| 50 | – | 22 | 19 | 110 V AC | 3RA2426-8XF32-1AG2 | 3RA2426-8XF32-2AG2 |
| 50 | – | 22 | 19 | 230 V AC | 3RA2426-8XF32-1AL2 | 3RA2426-8XF32-2AL2 |
| 25 | 7.1 | 11 | 19 | 24 V DC | 3RA2423-8XF32-1BB4 | 3RA2423-8XF32-2BB4 |
| 32/40 | 11.4 | 15/18.5 | 19 | 24 V DC | 3RA2425-8XF32-1BB4 | 3RA2425-8XF32-2BB4 |
| 50 | – | 22 | 19 | 24 V DC | 3RA2426-8XF32-1BB4 | 3RA2426-8XF32-2BB4 |
Technical data and article numbers are based on Siemens catalog IC 10 · 2026 (chapter 3, contactor assemblies) and are for information only. Image is representative.
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Tags: 3RA24 S0, siemens star delta, 3RA24, wye-delta combination, star-delta starter, 3RA2423-8XF32-1AC2, 3RA2423-8XF32-2AC2, 3RA2423-8XF32-1AG2, 3RA2423-8XF32-2AG2, 3RA2423-8XF32-1AL2, 3RA2423-8XF32-2AL2, 3RA2425-8XF32-1AC2, 3RA2425-8XF32-2AC2, 3RA2425-8XF32-1AG2, 3RA2425-8XF32-2AG2, 3RA2425-8XF32-1AL2, 3RA2425-8XF32-2AL2, 3RA2426-8XF32-1AC2, 3RA2426-8XF32-2AC2, 3RA2426-8XF32-1AG2, 3RA2426-8XF32-2AG2, 3RA2426-8XF32-1AL2, 3RA2426-8XF32-2AL2, 3RA2423-8XF32-1BB4, 3RA2423-8XF32-2BB4, 3RA2425-8XF32-1BB4, 3RA2425-8XF32-2BB4, 3RA2426-8XF32-1BB4, 3RA2426-8XF32-2BB4