The 3RV2031-4XA10: Lifecycle stage is current — no end-of-life notice. This part is a standard production item, available through regular channels.
Key Ratings
Mounting position any. Phase failure detection built in; no ground fault detection.

Siemens SIRIUS 3RV2031-4XA10 motor protection circuit breaker, Class 10, 55 mm wide, 149 mm deep, screw terminals.
| Parameter | Value |
|---|---|
| Series | SIRIUS |
| Product designation | Circuit breaker |
| Frame size | S2 |
| Parameter | Value |
|---|---|
| Rated operational current (Ie) | 59 A |
| Rated voltage | 20 ... 690 V |
| Rated voltage, AC-3 (max.) | 690 V |
| Rated frequency | 50 ... 60 Hz |
| Rated insulation voltage (Ui), pollution degree 3 | 690 V |
| Rated impulse withstand voltage (Uimp) | 6 kV |
| Number of poles | 3 |
| Power loss (AC, hot) | 26 W |
| Power loss, per pole (AC, hot) | 8.7 W |
| Parameter | Value |
|---|---|
| Overload release setting range | 49 ... 59 A |
| Instantaneous short-circuit trip current | 845 A |
| Trip class | CLASS 10 |
| Breaking capacity at 240 V (AC) | 65 kA |
| Breaking capacity at 400 V (AC) | 65 kA |
| Breaking capacity at 500 V (AC) | 8 kA |
| Breaking capacity at 690 V (AC) | 4 kA |
| Breaking capacity at 240 V | 100 kA |
| Breaking capacity at 690 V | 2 kA |
| Short-circuit trip type | magnetic |
| Overload release type | thermal |
| Short-circuit protection | Yes |
| Phase-failure detection | Yes |
| Ground-fault detection | No |
| Auxiliary switch extendable | Yes |
| Parameter | Value |
|---|---|
| Endurance, main contacts (typ.) | 20 000 |
| Endurance, auxiliary contacts (typ.) | 20 000 |
| Switching frequency, AC-3 (max.) | 15 1/h |
| Parameter | Value |
|---|---|
| Main-circuit terminal type | screw-type terminals |
| Main-circuit connector arrangement | Top and bottom |
| Conductor cross-section, solid / stranded | 2x (1 ... 35 mm²), 1x (1 ... 50 mm²) |
| Conductor cross-section, finely stranded with ferrule | 2x (1 ... 25 mm²), 1x (1 ... 35 mm²) |
| Conductor range, AWG (main contacts) | 2x (18 ... 2), 1x (18 ... 1) |
| Parameter | Value |
|---|---|
| Height | 140 mm |
| Width | 55 mm |
| Depth | 149 mm |
| Mounting method | screw and snap-on mounting onto 35 mm DIN rail according to DIN EN 60715 |
| Mounting position | any |
| Parameter | Value |
|---|---|
| Operating temperature | -20 ... +60 °C |
| Storage temperature | -50 ... +80 °C |
| Transport temperature | -50 ... +80 °C |
| Relative humidity (operation) | 10 ... 95 % |
| Max. installation altitude | 2 000 m |
| Parameter | Value |
|---|---|
| Design Of The Product | For motor protection |
The 3RV2031-4XA10: Lifecycle stage is current — no end-of-life notice. This part is a standard production item, available through regular channels.
Mounting position any. Phase failure detection built in; no ground fault detection.
Alternative models and sibling configurations in the same Siemens series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.
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