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27 pcs
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27 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The Siemens SIRIUS 3RV2021-4NA10 is a 3-pole motor protection circuit breaker in size S0, designed for reliable overload and short-circuit protection of motors. It features a thermal Class 10 trip characteristic with an adjustable current response range of 23 to 28 A. The breaker has a rated operational current of 28 A and is suitable for AC-3 applications at 400 V with a rated operating power of 15 kW.
This circuit breaker offers a high breaking capacity of 55 kA (Icu) at 400 V AC and includes phase failure detection for enhanced motor protection. It is approved by multiple agencies including CCC, CSA, EAC, IECEx, and UL, and complies with ATEX Directive 2014/34/EU (Ex II (2) GD).
The device is mounted on a DIN rail with screw terminal connections, ensuring easy installation in industrial control panels. It has a mechanical and electrical service life of 100,000 switching cycles and operates in ambient temperatures from -20 to +60 °C, making it suitable for demanding industrial environments.
The rated operational current is 28 A.
The adjustable current response value is 23 to 28 A.
Rated operating voltage is 20 to 690 V AC.
The device mounts on a DIN rail.
RoHS status is listed as RoHS3 compliant but is unverified from the manufacturer.
Approved by CCC, CSA, EAC, IECEx, and UL.
Breaking capacity Icu at 400 V AC is 55 kA; Ics is 25 kA.