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The Siemens 3RV20214DA15 is a robust circuit breaker from the SIRIUS 3RV2 series, specifically engineered for motor protection applications. This device features a thermal overload release and a CLASS 10 trip class, ensuring reliable protection for electric motors.
With a size S0 rating, it is compatible with contactors of sizes S00 and S0. The circuit breaker operates with a rated voltage of up to 690V and can handle an operational current of 25A at 400V (AC-3 and AC-3e). It provides a maximum breaking capacity of 100 kA at 240V AC.
This model includes auxiliary switches with 1 NO and 1 NC contact configuration, suitable for transverse mounting. The operating ambient temperature range is -20°C to +60°C. The circuit breaker is designed for DIN rail mounting, facilitating easy installation in control panels.
Key technical data includes a 3-pole main circuit, adjustable current response from 18 to 25A, and a mechanical service life of 100,000 switching cycles for both main and auxiliary contacts. It also meets ATEX directive requirements for use in potentially explosive atmospheres.
20 to 690 V AC.
DIN Rail.
-20 to +60 °C.
CLASS 10.
Yes, ATEX type Ex II (2) GD with certificate DMT 02 ATEX F 001.
1 normally open and 1 normally closed contact.