Siemens 3RA1120-4DD26-0BB4
MPN3RA1120-4DD26-0BB4
Load feeder fuseless direct-on-line starting, 400 V AC Size S0 20-25 A, 24 V DC Screw terminal on 60 mm busbar adapter Type of coordination 1, Iq = 50 kA!!! Phased-out product!!! Successor is SIRIUS 3RA2 Preferred successor type is >>3RA2120-4DD27-0BB4<<
$420.04Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Product designation | non-fused load feeder |
| Main circuit poles | 3 |
| Brand | SIRIUS |
| Load feeder size | S0 |
| Product design / construction | direct starter |
| Included contactor (type) | 3RT1026-1BB40 |
| Included circuit-breaker (type) | 3RV1021-4DA10 |
| Included link module (type) | 3RA1921-1BA00 |
Ratings & Performance
| Parameter | Value |
|---|---|
| Rated motor power at 400 V | 50 kA |
| Rated voltage at AC-3, max. | 400 V |
| Rated impulse withstand voltage (Uimp) | 6 kV |
Protection & Tripping
| Parameter | Value |
|---|---|
| Short-circuit protection | Yes |
| Duty / utilization type (IEC 60947-6-2) | 1 |
Contacts & Control
| Parameter | Value |
|---|---|
| Rated value | 690 V |
| Control supply voltage type | DC |
| Auxiliary contacts, NO | 0 |
| Auxiliary contacts, NC | 0 |
| Switching contact type | electromechanical |
Mechanical & Connection
| Parameter | Value |
|---|---|
| Mounting position | with vertical mounting surface +/-90° rotatable, with vertical mounting surface +/- 22.5° tiltable to the front and back |
| Width | 45 mm |
| Height | 205 mm |
| Depth | 154 mm |
Environmental
| Parameter | Value |
|---|---|
| Pollution degree | 3 |
MPN
3RA1120-4DD26-0BB4