Siemens 3RA1220-4DD26-0BB4
MPN3RA1220-4DD26-0BB4
Load feeder fuseless Reversing operation, 400 V AC 20...25 A, 24 V DC Size S0 Screw terminal Type of coordination 1, Iq = 50 kA on 60 mm busbar adapter!!! Phased-out product!!! Successor is SIRIUS 3RA2 Preferred successor type is >>3RA2220-4DD27-0BB4<<
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Product designation | non-fused load feeder |
| Main circuit poles | 3 |
| Brand | SIRIUS |
| Load feeder size | S0 |
| Product design / construction | reversing starter |
| Included contactor (type) | 3RT10 26-1BB40 |
| Included circuit-breaker (type) | 3RV10 21-4DA10 |
| Included link module (type) | 3RA19 21-1BA00 |
| Reference designation (IEC 81346-2) | Q |
| Parameter | Value |
|---|---|
| Rated motor power at 400 V | 11 kW |
| Operational current Ie, AC-3 at 400 V | 22 A |
| Rated impulse withstand voltage (Uimp) | 6 kV |
| Mechanical service life, typ. (switching cycles) | 10 000 000 |
| Parameter | Value |
|---|---|
| Short-circuit protection | Yes |
| Overload release setting range (current) | 20 ... 25 A |
| Duty / utilization type (IEC 60947-6-2) | 1 |
| Parameter | Value |
|---|---|
| Control supply voltage type | DC |
| Auxiliary contacts, NO | 0 |
| Auxiliary contacts, NC | 0 |
| Auxiliary switch extension | Yes |
| Switching contact type | electromechanical |
| Parameter | Value |
|---|---|
| AS-Interface protocol support | No |
| Parameter | Value |
|---|---|
| Main circuit connection type | screw-type terminals |
| Main contact conductor range (AWG) | 2x (14 ... 10) |
| Mounting / fastening method | for snapping onto 60 mm busbar systems |
| Mounting position | horizontal |
| Width | 100 mm |
| Height | 208 mm |
| Depth | 154 mm |
| Parameter | Value |
|---|---|
| Operating temperature range | -20 ... +70 °C |
| Storage temperature range | -55 ... +80 °C |
| Transport temperature range | -20 ... +70 °C |
| Pollution degree | 3 |
MPN
3RA1220-4DD26-0BB4