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The Siemens 3RV20314DA10 is a circuit breaker in size S2, specifically designed for motor protection applications. It operates with a thermal overload release and offers a phase failure detection function. The device features a 3-pole configuration for the main current circuit.
Key electrical specifications include an adjustable current response value ranging from 18 to 25 A, a rated operational current of 25 A at AC-3 and AC-3e at 400 V, and a maximum operating voltage of 690 V. The circuit breaker provides a breaking capacity of up to 100 kA at 240 V and 65 kA at 400 V. It is rated for an operating frequency of 50 to 60 Hz.
This circuit breaker is suitable for installation at altitudes up to 2,000 meters and operates within an ambient temperature range of -20 to +60 °C. It is designed for DIN rail mounting and features a rotary actuator type. The mechanical and electrical endurance are rated for a typical 50,000 switching cycles.
Compliance certifications include ATEX, CCC, CSA, EAC, and UL. The product is RoHS3 compliant, has an MSL of 1, and is REACH unaffected.
20 to 690 volts AC.
-20 to +60 degrees Celsius.
18 to 25 amperes.
Yes, it includes an auxiliary switch.
65 kA maximum short-circuit current (Icu).
Yes, it is certified under ATEX directive Ex II (2) GD.