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The Siemens 3RV20214BA20 is a size S0 circuit breaker specifically designed for motor protection applications. It operates with a thermal overload release mechanism, offering adjustable current settings from 13 to 20 A. This 3-pole breaker is rated for a maximum operating voltage of 690 V and a frequency of 50-60 Hz.
Key electrical characteristics include a breaking capacity (Icu) of up to 100 kA at 240 V and 55 kA at 400 V. The breaker supports AC-3 and AC-3e operation with rated currents of 20 A at 400 V, providing power outputs up to 7.5 kW at 400 V.
Designed for easy installation, the 3RV20214BA20 features DIN rail mounting. It also includes phase failure detection for enhanced safety. The mechanical and electrical endurance are rated for a typical 100,000 switching cycles, ensuring long-term reliability in demanding industrial environments.
This circuit breaker complies with ATEX directive 2014/34/EU, carrying the type protection Ex II (2) GD and certificate DMT 02 ATEX F 001. It is suitable for installation altitudes up to 2,000 meters and operates within an ambient temperature range of -20 to +60 °C.
The operating voltage rating is 20...690 V AC.
DIN Rail mounting.
The operating ambient temperature range is -20 to +60 °C.
The adjustable current response value is 13...20 A.
The rated breaking capacity (Icu) at 400 V AC is 55 kA; the operating breaking capacity (Ics) is 25 kA.
Yes, it has ATEX certification with type protection Ex II (2) GD and certificate DMT 02 ATEX F 001.
It has 3 poles.