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The Siemens 3RV20211BA20 is a robust circuit breaker from the SIRIUS 3RV2 series, specifically designed 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 1.4 to 2 A.
With a rated operating voltage of up to 690V and a current rating of 2A, this 3-pole breaker is suitable for various industrial and commercial power distribution systems. It provides essential protection functions including phase failure detection and is rated for a maximum short-circuit breaking capacity of 100 kA at 400V.
The breaker is designed for easy installation on a standard DIN rail and features a rotary actuator for operation. Its mechanical and electrical endurance are rated for a typical 100,000 switching cycles, ensuring long-term reliability. The operating temperature range is -20 to +60 °C.
Compliance with ATEX directive 2014/34/EU is indicated by its protection type Ex II (2) GD and certificate DMT 02 ATEX F 001. It also holds multiple approval agency certifications including CE, CSA, UL, and VDE, making it suitable for a wide range of global applications.
| 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 1.4 and 2 A.
The rated operating voltage is up to 690 V.
This circuit breaker has 3 poles for the main current circuit.
The operating ambient temperature range is -20 to +60 °C.
The trip class is CLASS 10.
The type of protection according to ATEX directive 2014/34/EU is Ex II (2) GD.
The maximum short-circuit current (Icu) at 400V is 100 kA, and the breaking capacity (Ics) at 400V is also 100 kA.