Siemens 3RA1220-1FB24-0BB4
MPN3RA1220-1FB24-0BB4
Load feeder fuseless Reversing operation, 400 V AC Size S0 3.5-5 A, 24 V DC Screw terminal Type of coordination 2, Iq = 50 kA!!! Phased-out product!!! Successor is SIRIUS 3RA2 Preferred successor type is >>3RA2220-1FB24-0BB4<<
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 24-1BB40 |
| Included circuit-breaker (type) | 3RV10 21-1FA10 |
| Included link module (type) | 3RA19 21-1BA00 |
| Parameter | Value |
|---|---|
| Rated motor power at 400 V | 50 kA |
| Rated voltage at AC-3, max. | 690 V |
| Rated impulse withstand voltage (Uimp) | 6 kV |
| Parameter | Value |
|---|---|
| Short-circuit protection | Yes |
| Duty / utilization type (IEC 60947-6-2) | 2 |
| Parameter | Value |
|---|---|
| Rated value | 690 V |
| Control supply voltage type | DC |
| Auxiliary contacts, NO | 0 |
| Auxiliary contacts, NC | 0 |
| Auxiliary switch extension | Yes |
| Switching contact type | electromechanical |
| Parameter | Value |
|---|---|
| Mounting position | horizontal |
| Width | 100 mm |
| Height | 220 mm |
| Depth | 125 mm |
| Parameter | Value |
|---|---|
| Pollution degree | 3 |
MPN
3RA1220-1FB24-0BB4