SIRIUS 3RA24 contactor assemblies for star-delta (wye-delta) starting, up to 90 kW
Siemens catalog image for this reference; may represent the product family.
STAR-DELTA CONTACTOR ASSEMBLY
3RA2437-8XF32-1AL2 — Star-delta contactor assembly
SKU 3RA2437-8XF32-1AL2Contactor assembly for star-delta (wye-delta) start AC-3, 55 kW/400 V, 230 V AC 50/60 Hz, 3-pole, size S2 screw terminals electrical and mechanical interlock 3 NO + 3 NC integrated
Active Product
55 kW/400 VMotor power / voltage
3Poles
S2Size
PRODUCT DATA
Technical specifications
Source: Siemens product catalog.
Verified September 21, 2026.
| Product reference | 3RA2437-8XF32-1AL2 |
|---|---|
| Manufacturer description | Contactor assembly for star-delta (wye-delta) start AC-3, 55 kW/400 V, 230 V AC 50/60 Hz, 3-pole, size S2 screw terminals electrical and mechanical interlock 3 NO + 3 NC integrated |
| Product Family | SIRIUS 3RA24 contactor assemblies for star-delta (wye-delta) starting, up to 90 kW |
| Net weight | 3,417 Kg |
| Packaging dimensions (L x W x H) | 326,00 x 249,00 x 237,00 mm |
| Country of origin | Germany |
| EAN | 4011209921566 |
| UPC | – |
| Motor power / voltage | 55 kW/400 V |
| Poles | 3 |
| Size | S2 |
For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official Siemens reference ↗.