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The Siemens 3RV20314BA10 is a robust circuit breaker from the SIRIUS 3RV2 series, specifically engineered for motor protection applications. This Size S2 breaker features a thermal magnetic trip mechanism and a Class 10 trip class, ensuring reliable protection for electric motors.
With an adjustable current response value ranging from 14 to 20 Amps and a rated operational current of 20 Amps, this device is suitable for a variety of motor sizes. It operates at a rated voltage of up to 690V AC and offers significant breaking capacities, including 65 kA at 400V.
The breaker is designed for easy installation on a DIN rail and includes features like phase failure detection. Its mechanical and electrical endurance is rated for a typical 50,000 switching cycles, providing long-term operational reliability. The device also meets ATEX directive requirements for use in potentially explosive atmospheres.
Key technical specifications include a maximum short-circuit current (Icu) of 100 kA at 240V and 65 kA at 400V. The operating power at AC-3 for 400V is 7.5 kW. Ambient operating temperatures range from -20°C to +60°C.
The rated operating voltage ranges from 20 V to 690 V AC at 50/60 Hz.
The operating ambient temperature range is -20 to +60 °C.
The adjustable current response value ranges from 14 to 20 A.
It mounts on a DIN rail.
The overload release is CLASS 10.
Icu is 100 kA at 240 V, 65 kA at 400 V, 12 kA at 500 V, and 5 kA at 690 V. Ics is 100 kA at 240 V, 30 kA at 400 V, 6 kA at 500 V, and 3 kA at 690 V.
Yes, it has ATEX type of protection Ex II (2) GD and certificate DMT 02 ATEX F 001.