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The Siemens 3RV20214NA40 is a robust circuit breaker from the SIRIUS 3RV2 series, specifically engineered for motor protection applications. This device features a size S0 frame and a thermal magnetic overload release with an adjustable current response value ranging from 23 to 28 Amperes. It is designed for a rated operating voltage of up to 690V and has a current rating of 28A at AC-3 and AC-3e.
With a CLASS 10 trip class and phase failure detection, this circuit breaker provides reliable protection against overloads and short circuits. It boasts a high breaking capacity, with a maximum short-circuit current (Icu) of 100 kA at 240V and 55 kA at 400V. The unit is suitable for DIN rail mounting and features a rotary actuator type.
Environmental conditions for operation include an ambient temperature range of -20 to +60 °C and relative humidity of 10 to 95%. The circuit breaker is ATEX certified, indicating its suitability for use in potentially explosive atmospheres.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current rated value is 28 A.
The rated operating voltage is 20 to 690 V.
The trip class is CLASS 10.
It is designed for DIN Rail mounting.
Yes, it includes phase failure detection.
The operating ambient temperature is -20 to +60 °C.