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This Siemens 3RV21110KA10 is a circuit breaker from the SIRIUS 3RV2 series, specifically designed for motor protection applications. It features a thermal overload relay function with an adjustable current response value ranging from 0.9 to 1.25 A, and a fixed N-release of 16 A.
The breaker operates with a CLASS 10 trip class and provides phase failure detection. It has a rated operational current of 1.25 A at 400 V AC-3 and AC-3e. The maximum breaking capacity (Icu) at 400 V is 100 kA.
With a voltage rating of up to 690 V and a 3-pole configuration, this circuit breaker is suitable for various industrial applications. It mounts on a DIN rail and has a rotary actuator type. The operating temperature range is -20 to +60 °C.
Key electrical specifications include a power loss of 7.25 W at AC in hot operating state and an insulation voltage of 690 V. The mechanical and electrical endurance for the main and auxiliary contacts is typically 100,000 switching cycles.
| 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 0.9 to 1.25 A.
The rated operating voltage is 20 to 690 V, with a maximum of 690 V at AC-3 and AC-3e.
The trip class is CLASS 10.
This circuit breaker supports DIN Rail mounting.
The operating temperature range is -20 to +60 °C.