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This Siemens 3RV20214DA40 is a size S0 circuit breaker from the SIRIUS 3RV2 series, specifically designed for motor protection applications. It features a thermal magnetic overload release with an adjustable current response value ranging from 18 to 25 Amps and a fixed short-circuit release of 325A. The breaker has a trip class of CLASS 10 and supports phase failure detection.
With a rated operational voltage of up to 690V and a rated operational current of 25A at AC-3 and AC-3e, this circuit breaker is suitable for various industrial applications. It offers significant breaking capacity, with Icu at 400V being 55 kA and Ics at 400V being 25 kA. The device is designed for DIN rail mounting and features a rotary actuator.
General technical data includes a power loss of 10.5W at rated current in hot operating state, an insulation voltage of 690V, and a surge voltage resistance of 6 kV. It has a mechanical service life of 100,000 switching cycles for main and auxiliary contacts. The operating temperature range is -20 to +60 °C.
Compliance certifications include ATEX, CCC, CE, CSA, EAC, IECEx, UL, and VDE. The ATEX protection type is Ex II (2) GD with certificate DMT 02 ATEX F 001.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The adjustable current response value for the overload release is between 18 and 25 Amps.
The rated operating voltage is up to 690 V.
This circuit breaker has 3 poles for the main current circuit.
The trip class is CLASS 10.
The mounting type is DIN Rail.
Yes, it supports phase failure detection.
The ambient temperature during operation is between -20 and +60 °C.