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The Siemens 3RV20211FA10 is a robust circuit breaker from the SIRIUS 3RV2 series, specifically designed for motor protection applications. This S0-sized device features a thermal overload release with an adjustable current response value ranging from 3.5 to 5 Amperes, ensuring precise protection for motors.
With three poles for the main current circuit, it operates at a rated voltage of up to 690V and handles operational currents of 5A at 400V (AC-3 and AC-3e). The breaker boasts a high breaking capacity, with an Icu and Ics of 100 kA at 240V and 400V, and 6 kA at 690V. It adheres to CLASS 10 trip class standards and includes phase failure detection.
Designed for standard switching capacity, the 3RV20211FA10 is suitable for installation altitudes up to 2000m and operates within an ambient temperature range of -20 to +60 °C. It is mounted on a DIN rail and features a rotary actuator. The device also meets ATEX directive requirements for hazardous environments.
Key electrical specifications include a rated operating frequency of 50-60 Hz and various operating power ratings depending on voltage and AC-3/AC-3e usage. Mechanical endurance for main and auxiliary contacts is rated at a typical 100,000 switching cycles.
The adjustable current response value ranges from 3.5 to 5 A.
The operating voltage range is 20 to 690 V AC.
The operating ambient temperature range is -20 to +60 °C.
The trip class is CLASS 10.
Yes, it is ATEX certified with type of protection Ex II (2) GD and certificate DMT 02 ATEX F 001.
Rated ultimate breaking capacity (Icu) is 100 kA at 240 V, 400 V, and 500 V AC, and 6 kA at 690 V AC. Rated service breaking capacity (Ics) is 100 kA at 240/400/500 V and 4 kA at 690 V.
The mounting type is DIN rail.