Siemens 3RA1120-4AA25-0AF0
MPN3RA1120-4AA25-0AF0
Load feeder fuseless direct-on-line starting, 400 V AC 11...16 A, 110 V AC 50 Hz Size S0 Screw terminal for installation on standard mounting rail Type of coordination 1, Iq = 50 kA!!! Phased-out product!!! Successor is SIRIUS 3RA2
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) | 3RT1025-1AF00 |
| Included circuit-breaker (type) | 3RV1021-4AA10 |
| Included link module (type) | 3RA1921-1AA00 |
| Reference designation (IEC 81346-2) | Q |
Ratings & Performance
| Parameter | Value |
|---|---|
| Rated motor power at 400 V | 7.5 kW |
| Operational current Ie, AC-3 at 400 V | 15.5 A |
| Rated impulse withstand voltage (Uimp) | 6 kV |
| Mechanical service life, typ. (switching cycles) | 10 000 000 |
Protection & Tripping
| Parameter | Value |
|---|---|
| Short-circuit protection | Yes |
| Overload release setting range (current) | 11 ... 16 A |
| Duty / utilization type (IEC 60947-6-2) | 1 |
Contacts & Control
| Parameter | Value |
|---|---|
| Rated voltage range at 50 Hz | 110 V |
| Control supply voltage type | AC |
| Auxiliary contacts, NO | 0 |
| Auxiliary contacts, NC | 0 |
| Auxiliary switch extension | Yes |
| Switching contact type | electromechanical |
Communication
| Parameter | Value |
|---|---|
| AS-Interface protocol support | No |
Mechanical & Connection
| Parameter | Value |
|---|---|
| Main circuit connection type | screw-type terminals |
| Main contact conductor range (AWG) | 2x (14 ... 10) |
| Mounting / fastening method | snap-on fastening on 35 mm standard rail |
| Mounting position | with vertical mounting surface +/-90° rotatable, with vertical mounting surface +/- 22.5° tiltable to the front and back |
| Width | 45 mm |
| Height | 183 mm |
| Depth | 96 mm |
Environmental
| Parameter | Value |
|---|---|
| Operating temperature range | -20 ... +70 °C |
| Storage temperature range | -55 ... +80 °C |
| Pollution degree | 3 |
MPN
3RA1120-4AA25-0AF0