Siemens SIRIUS motor protection circuit breaker, 3RV2041-4RA10, Class 10, screw terminals, 65 kA breaking capacity at 400 V AC, DIN rail mount.
| Parameter | Value |
|---|---|
| Series | SIRIUS |
| Product designation | Circuit breaker |
| Frame size | S3 |
| Parameter | Value |
|---|---|
| Rated operational current (Ie) | 84 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 | 1 000 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Number of poles | 3 |
| Power loss (AC, hot) | 34 W |
| Power loss, per pole (AC, hot) | 11.3 W |
| Parameter | Value |
|---|---|
| Overload release setting range | 65 ... 84 A |
| Instantaneous short-circuit trip current | 1 170 A |
| Trip class | CLASS 10 |
| Breaking capacity at 240 V (AC) | 100 kA |
| Breaking capacity at 400 V (AC) | 65 kA |
| Breaking capacity at 500 V (AC) | 8 kA |
| Breaking capacity at 690 V (AC) | 5 kA |
| Breaking capacity at 240 V | 100 kA |
| Breaking capacity at 690 V | 3 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.) | 25 000 |
| Endurance, auxiliary contacts (typ.) | 25 000 |
| 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 (2,5 ... 50 mm²), 1x (10 ... 70 mm²) |
| Conductor cross-section, finely stranded with ferrule | 2x (2.5 ... 35 mm²), 1x (2.5 ... 50 mm²) |
| Parameter | Value |
|---|---|
| Height | 165 mm |
| Width | 70 mm |
| Depth | 176 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 |
It snaps onto a 35 mm DIN rail per DIN EN 60715 and accepts screw-type terminals for the main circuit, with solid/stranded wire ranges from 2x (2.5 … 16 mm²) up to 1x (10 … 70 mm²). That covers most motor branch feeds in a standard panel.
Dimensions: 70 mm wide, 165 mm tall, 176 mm deep. Clearance above and below: 150 mm each side; side clearance is 30 mm. That's a standard footprint for a motor-protective device in a 400 V MCC or distribution panel.
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65 kA at 400 V AC. That's the interrupting rating for the motor branch circuit — sufficient for most industrial service entrances without additional fusing.
Yes, phase failure detection is built in. If one phase drops out, the breaker trips to prevent single-phasing damage to the motor.
Screw terminals accept 2x (2.5 … 16 mm²) solid or stranded, or 1x (10 … 70 mm²) — covers most motor branch conductors up to about 84 A.
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