Siemens SIRIUS, circuit breaker for starter combinations, size S0, 100 kA breaking capacity at 400 V AC, screw and snap-on DIN rail mount, 45 mm wide, 97 mm deep.
| Parameter | Value |
|---|---|
| Series | SIRIUS |
| Product designation | Circuit breaker |
| Frame size | S0 |
| Parameter | Value |
|---|---|
| Rated operational current (Ie) | 1.6 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 |
|---|---|
| Instantaneous short-circuit trip current | 21 A |
| 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 |
| Short-circuit protection | Yes |
| Phase-failure detection | No |
| 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 | screw-type terminals |
| Main-circuit connector arrangement | Top and bottom |
| Conductor cross-section, solid / stranded | 2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²) |
| Conductor cross-section, finely stranded with ferrule | 2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), 1x 10 mm² |
| Conductor range, AWG (main contacts) | 2x (16 ... 12), 2x (14 ... 8) |
| Parameter | Value |
|---|---|
| Height | 97 mm |
| Width | 45 mm |
| Depth | 97 mm |
| Mounting method | screw and snap-on mounting onto 35 mm standard mounting 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 starter combinations |
The 100 kA interrupting rating holds at 240 V, 400 V, 500 V, and 690 V AC — that's a flat high-fault curve, not a derating as voltage climbs. At 480 V and 600 V the motor full-load current ratings are 1.6 A, so this size S0 frame is suited for smaller motor branches (0.1 hp at 230 V, 1 hp at 460/480 V, 0.8 hp at 575/600 V) where the fault current at the panel might still be high.
Any mounting position is acceptable, which simplifies layout in tight enclosures.
100 kA at 400 V AC. The same 100 kA rating holds at 240 V, 500 V, and 690 V AC.
Both are size S0 frame breakers that mount on 35 mm DIN rail, but the 3RV2011-0AA10 is a different SIRIUS variant with different ratings and accessory compatibility. Physical footprint (45 mm width, 97 mm depth) is the same, but verify the terminal layout and the auxiliary contact position before assuming a drop-in swap — the wiring may need adjustment.
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