Siemens SIRIUS, Circuit breaker, 3RV2411-1BA20, for transformer protection, screw and snap-on mounting onto 35 mm DIN rail, 100 kA breaking capacity at 400 V AC, Trip Class 10.
| Parameter | Value |
|---|---|
| Series | SIRIUS |
| Product designation | Circuit breaker |
| Frame size | S00 |
| Parameter | Value |
|---|---|
| Rated operational current (Ie) | 2 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 | 1.4 ... 2 A |
| Instantaneous short-circuit trip current | 42 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) | 10 kA |
| Breaking capacity at 240 V | 100 kA |
| Breaking capacity at 690 V | 10 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 (0,5 ... 4 mm²) |
| Conductor cross-section, finely stranded with ferrule | 2x (0.5 ... 2.5 mm²) |
| Conductor range, AWG (main contacts) | 2x (20 ... 12) |
| Parameter | Value |
|---|---|
| Height | 106 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 transformer protection |
Rated breaking capacity hits 100 kA at 240 V, 400 V, and 500 V AC — that covers virtually any utility fault level on a 400 V distribution board. That's the spec that determines whether it coordinates with upstream fuses or another breaker.
Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.
The evidence does not list specific compliance certifications. Standard Siemens SIRIUS breakers typically carry UL, CSA, and CE markings; verify the specific nameplate marking for your jurisdiction before specifying.
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