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The Siemens 3RV20210KA25 is a circuit breaker specifically designed for motor protection applications. It belongs to the SIRIUS 3RV2 series and is built with a size S0 frame.
This thermal magnetic circuit breaker offers an adjustable current response value ranging from 0.9 to 1.25 A, with a nominal operational current of 1.25 A. It is equipped with 3 poles and supports a rated operating voltage of up to 690 V. The breaker operates with a trip class of CLASS 10 and includes phase failure detection.
It features standard switching capacity with transverse auxiliary switches, providing 1 normally open (NO) and 1 normally closed (NC) contact. The device is suitable for DIN rail mounting and has a mechanical and electrical endurance of typically 100,000 switching cycles. The operating ambient temperature range is -20 to +60 °C.
Compliance certifications include ATEX, CCC, CE, CSA, EAC, IECEx, UL, and VDE. The ATEX type of protection 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 rated operating voltage range is 20 to 690 V.
The adjustable current response value for the current-dependent overload release is 0.9 to 1.25 A.
The trip class is CLASS 10.
Yes, it includes phase failure detection.
The operating ambient temperature range is -20 to +60 °C.