Siemens SIRIUS 3RA23 size S3-S3 reversing contactor assemblies: fully wired and tested, consisting of two contactors with mechanical and electrical interlock. For motor reversing applications up to 55 kW at 400 V.
Technical data
| Series | 3RA23 |
|---|---|
| Product type | Reversing contactor assembly |
| Contactor sizes | S3-S3 |
| Rated current Ie (400 V) | 80–110 A |
| Motor rating (400 V) | up to 55 kW |
| Coil | AC (50/60 Hz) or AC/DC (20–33 V, integrated varistor) |
| Terminals | Screw |
| 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 |
|---|---|---|---|---|---|---|
| 80 | 22 | 37 | 55 | 110 V AC | 3RA2345-8XB30-1AG2 | – |
| 80 | 22 | 37 | 55 | 230 V AC | 3RA2345-8XB30-1AL2 | – |
| 95 | 22 | 45 | 75 | 110 V AC | 3RA2346-8XB30-1AG2 | – |
| 95 | 22 | 45 | 75 | 230 V AC | 3RA2346-8XB30-1AL2 | – |
| 110 | 30 | 55 | 75 | 110 V AC | 3RA2347-8XB30-1AG2 | – |
| 110 | 30 | 55 | 75 | 230 V AC | 3RA2347-8XB30-1AL2 | – |
| 80 | 22 | 37 | 55 | 20–33 V AC/DC | 3RA2345-8XB30-1NB3 | – |
| 95 | 22 | 45 | 75 | 20–33 V AC/DC | 3RA2346-8XB30-1NB3 | – |
| 110 | 30 | 55 | 75 | 20–33 V AC/DC | 3RA2347-8XB30-1NB3 | – |
Each contactor in the assembly has 1 NO + 1 NC integrated auxiliary contact(s); the NC contacts are used for electrical interlocking.
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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