Siemens 3RA1423-8XC21-1BB4
MPN3RA1423-8XC21-1BB4
Contactor assembly Star-delta (wye-delta) (pre-assembled) with lateral timing relay AC-3, 11 kW/400 V, 3-pole Size S0, S0, S0 Electrically interlocked Screw terminal 24 V DC!!! Phased-out product!!! Successor is SIRIUS 3RA2 Preferred successor type is >>3RA2423-8XF32-1BB4<<
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Product designation | contactor assembly |
| Main circuit poles | 3 |
| Brand | SIRIUS |
| Parameter | Value |
|---|---|
| Rated motor power at 400 V | 11 kW |
| Rated insulation voltage Ui (AC, pollution degree 3) | 690 V |
| Parameter | Value |
|---|---|
| Control supply voltage type | DC |
| Auxiliary switch extension | Yes |
| Parameter | Value |
|---|---|
| Main circuit connection type | screw-type terminals |
| Mounting position | with vertical mounting surface +/-180° rotatable, with vertical mounting surface +/- 30° tiltable to the front and back |
| Width | 158 mm |
| Height | 88 mm |
| Depth | 145 mm |
| Parameter | Value |
|---|---|
| Pollution degree | 3 |
MPN
3RA1423-8XC21-1BB4