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This Siemens 3RV2 circuit breaker, specifically the 3RV20214BA100BA0 model, is a size S0 device designed for motor protection applications. It features a thermal magnetic trip unit with an adjustable current response range of 13 to 20 A and a CLASS 10 trip class.
The breaker operates with a rated voltage of up to 690V and an operational current of 20A at AC-3, 400V. It provides robust short-circuit protection with a maximum breaking capacity (Icu) of 55 kA at 400V and an instantaneous trip unit response value of 260A.
Designed for DIN rail mounting, this circuit breaker ensures reliable performance across a wide ambient temperature range from -50°C to +60°C. It includes phase failure detection but not ground fault detection. The device has a mechanical service life of 500 switching cycles for main and auxiliary contacts and an electrical endurance of 500 switching cycles.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage range is 20 to 690 V, with a maximum AC-3 rated value of 690 V.
The operational current rated value is 20 A, and the adjustable current response value for the overload release is 13 to 20 A.
This circuit breaker features a thermal magnetic trip design for overload and short-circuit protection.
The trip class is CLASS 10.
The operating ambient temperature range is -50 to +60 °C.