3RV20211FA20

The Siemens 3RV20211FA20 is a robust circuit breaker from the SIRIUS line, specifically designed for motor protection applications. This unit features a size S0 frame and a thermal magnetic overload release with an adjustable current response value ranging from 3.5 to 5 Amps. It is rated for a maximum operating voltage of 690V and operates on a frequency of 50 to 60 Hz.

With a breaking capacity of up to 100 kA at 400V, this circuit breaker ensures reliable protection against short circuits. It includes phase failure detection and adheres to CLASS 10 trip class standards. The device is designed for easy installation via DIN rail mounting and is suitable for use in environments with ambient temperatures ranging from -20 to +60 °C.

Key electrical specifications include an operational current of 5A at AC-3 and AC-3e at 400V, with corresponding operating power ratings. The circuit breaker also boasts a mechanical and electrical endurance of typically 100,000 switching cycles. It is ATEX certified, indicating suitability for use in potentially explosive atmospheres.

This circuit breaker is part of the 3RV2 series, known for its compact design and high performance. It is an ideal component for protecting electric motors in industrial and commercial settings, ensuring operational safety and longevity.