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The Siemens 3RV21214NA10 is a size S0 circuit breaker from the SIRIUS 3RV2 series, specifically designed for motor protection with an overload relay function. It offers a thermal magnetic trip class of CLASS 10 and an adjustable current response value ranging from 23 to 28 A.
This circuit breaker operates with a rated voltage of up to 690 V and a rated operational current of 28 A at 400 V AC-3 and AC-3e. It provides a breaking capacity (Icu) of 55 kA at 400 V AC and 100 kA at 240 V AC. The device includes phase failure detection and is suitable for DIN rail mounting.
With a mechanical and electrical endurance of typically 100,000 switching cycles, the 3RV21214NA10 is built for reliability. It operates within an ambient temperature range of -20 to +60 °C and has a power loss of 13.25 W at AC in hot operating state.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operational current is 28 A, with an adjustable current response value between 23 and 28 A.
The rated operating voltage is 20 to 690 V, with a maximum rated value of 690 V at AC-3 and AC-3e.
The trip class is CLASS 10.
It is designed for DIN rail mounting.
Yes, it includes phase failure detection.
The operating ambient temperature range is -20 to +60 °C.