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This Siemens 3RV20211KA10 is a robust circuit breaker from the SIRIUS product line, specifically designed for motor protection applications. It features a size S0 form factor and a thermal overload release with an adjustable current response value ranging from 9 to 12.5 Amperes.
The breaker operates with a rated voltage of up to 690V and provides a rated operational current of 12.5A at AC-3 and AC-3e conditions at 400V. It offers significant breaking capacity, with a maximum short-circuit current (Icu) of 100 kA at 240V and 400V. The device includes phase failure detection and is rated with CLASS 10 trip class.
Designed for easy installation, the 3RV20211KA10 is suitable for DIN rail mounting. It has a mechanical service life of 100,000 switching cycles for both main and auxiliary contacts, and an electrical endurance of 100,000 switching cycles. The operating temperature range is -20 to +60 °C.
The operating voltage is 20 to 690 V AC.
The adjustable current response value is 9 to 12.5 A.
The maximum short-circuit current (Icu) at 400 V AC is 100 kA, and the operating short-circuit current (Ics) is also 100 kA.
Yes, it includes phase failure detection.
It mounts on DIN rail.
The trip class is CLASS 10.
The ambient temperature during operation is -20 to +60 °C.