Siemens 3RV2021-4BA10 Circuit Breaker
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The SIEMENS 3RV2021-4BA10 SIRIUS Circuit Breaker is a 3-pole motor protection circuit breaker with a 13–20 A adjustable current range, 690 V AC operating voltage, and high short-circuit breaking capacity. It is designed to provide reliable overload and short-circuit protection for industrial motors and electrical systems.
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| Size | S0 |
| Brand Name | SIRIUS |
| Rated Operational Voltage (Ue) | 690 V AC |
| Rated Operational Current (In) | 20 A |
| Rated Current Range | 13 … 20 A |
| Frequency | 50 … 60 Hz |
| Rated Impulse Voltage (Uimp) | 6 kV |
| Rated Insulation Voltage (Ui) | 690 V AC |
| Rated Instantaneous Short-Circuit Current Setting (Ii) | 260 A |
| Rated Operational Power AC-3 | 400 V: 7.5 kW |
| Rated Service Short-Circuit Breaking Capacity (Ics) | 400 V: 25 kA |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu) | 400 V: 55 kA |
| Actuator Type | Rotary Handle (ON / OFF) |
| Power Loss | 10.5 W |
| No. of Poles | 3-Pole |
| Protection Class | IP20 |
| Ambient Temperature | -25 … 60 °C |
| Dimensions | 97 x 45 x 97 mm |
| Condition | New |
| Stock key | JO-004 |
| SKU | 1093470 |
| Weight | 0,36 |
