The SIRIUS circuit breaker 3RV2031-4VA10 from Siemens in size S2 is a compact, current-limiting circuit breaker for load feeders up to 22 kW at AC-3/400 V. Due to a short-circuit protection of 650A and an adjustable overload protection of 35 - 45 A, the circuit breaker is ideally suited for the protection of motors.
| Adjustment range undelayed short-circuit release | 650 A |
| Degree of protection (IP) | IP20 |
| Depth | 149 mm |
| Device construction | Built-in device fixed built-in technique |
| Height | 140 mm |
| Number of poles | 3 |
| Overload release current setting | 35 A |
| Phase failure sensitive | Yes |
| Power loss | 24.5 W |
| Rated operating voltage | 690 V |
| Rated operation power at AC-3, 230 V | 11 kW |
| Rated operation power at AC-3, 400 V | 22 kW |
| Rated permanent current Iu | 45 A |
| Rated short-circuit breaking capacity lcu at 400 V, AC | 65 kA |
| Switch off technique | Magnetic |
| Type of control element | Other |
| Type of electrical connection of main circuit | Screw connection |
| Width | 55 mm |
| With thermal overload protection | Yes |
| Part Width | 62 mm |
| Part Height | 147 mm |
| Part Depth | 167 mm |
| Weight | 1071 g |
| Country of Origin | Germany |
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