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The Siemens 3RV20214NA20 is a robust circuit breaker from the SIRIUS line, specifically designed for motor protection applications. This device features a thermal magnetic release with an adjustable current response value ranging from 23A to 28A, ensuring reliable protection against overloads and short circuits.
With a 3-pole configuration and a voltage rating of up to 690V, this circuit breaker is suitable for a wide range of industrial and commercial power systems. It offers a breaking capacity of up to 100 kA at 240V (Icu) and 25 kA at 400V (Ics), providing high levels of safety.
The 3RV20214NA20 is designed for easy installation on a DIN rail and features a rotary actuator for operation. It operates within an ambient temperature range of -20°C to +60°C and meets various international standards including ATEX, CCC, CE, CSA, EAC, IECEx, UL, and VDE.
Key technical specifications include a nominal operational current of 28A at 400V (AC-3 and AC-3e) and a maximum operating frequency of 15 cycles per hour for AC-3 and AC-3e applications. The breaker also includes phase failure detection for enhanced operational safety.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage range is 20 to 690 V.
The operational current rating is 28A.
The adjustable current response value for the current-dependent overload release is 23 to 28 A.
The trip class is CLASS 10.
The operating ambient temperature range is -20 to +60 °C.