Siemens SIRIUS motor protection circuit breaker, 3RV2021-0HA20-ZX95, Size S0, Trip Class 10, 100 kA breaking capacity at 400 V AC, 45 mm width, screw and snap-on DIN rail mounting.
| Parameter | Value |
|---|---|
| Series | SIRIUS |
| Product designation | Circuit breaker |
| Frame size | S0 |
| Parameter | Value |
|---|---|
| Rated operational current (Ie) | 0.8 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) | 7.25 W |
| Power loss, per pole (AC, hot) | 2.4 W |
| Parameter | Value |
|---|---|
| Overload release setting range | 0.55 ... 0.8 A |
| Instantaneous short-circuit trip current | 10 A |
| Trip class | CLASS 10 |
| Breaking capacity at 240 V (AC) | 100 kA |
| Breaking capacity at 400 V (AC) | 100 kA |
| Breaking capacity at 500 V (AC) | 100 kA |
| Breaking capacity at 690 V (AC) | 100 kA |
| Breaking capacity at 240 V | 100 kA |
| Breaking capacity at 690 V | 100 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.) | 100 000 |
| Endurance, auxiliary contacts (typ.) | 100 000 |
| Switching frequency, AC-3 (max.) | 15 1/h |
| Auxiliary CO (changeover) contacts | 0 |
| Parameter | Value |
|---|---|
| Main-circuit terminal type | spring-loaded terminals |
| Main-circuit connector arrangement | Top and bottom |
| Conductor cross-section, solid / stranded | 2x (1 ... 10 mm²) |
| Conductor cross-section, finely stranded with ferrule | 2x (1 ... 6 mm²) |
| Parameter | Value |
|---|---|
| Height | 119 mm |
| Width | 45 mm |
| Depth | 97 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 |
Width is 45 mm, depth 97 mm — fits standard S0 footprint on 35 mm DIN rail per DIN EN 60715. Screw and snap-on mounting, any position. Clearance: 50 mm above and below, 30 mm at the sides. No forward or backward clearance needed.
Lifecycle stage is current — this is an active, in-production catalog number.
No ground-fault detection on this variant. Rated operational voltage range 20 … 690 V.
Width is 45 mm, depth is 97 mm.
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