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The Siemens 3RV20210KA10 is a robust circuit breaker from the SIRIUS 3RV2 series, specifically designed for motor protection applications. This S0 size breaker offers a thermal overload release with an adjustable current response value ranging from 0.9 to 1.25 A, ensuring precise protection for motors.
With a rated operational current of 1.25 A and a maximum operating voltage of 690 V, this device is suitable for a wide range of industrial applications. It boasts a high breaking capacity of 100 kA at various voltage levels, including 240V, 400V, 500V, and 690V, providing reliable short-circuit protection. The breaker operates with a trip class of CLASS 10 and includes phase failure detection.
Designed for easy installation, the 3RV20210KA10 features DIN rail mounting and a rotary actuator. It has a mechanical and electrical endurance of typically 100,000 switching cycles. The operating temperature range is -20 to +60 °C, making it suitable for demanding environments. This circuit breaker also meets ATEX directive requirements for use in potentially explosive atmospheres.
Key electrical specifications include a rated operating frequency of 50-60 Hz and power ratings up to 0.8 kW at 690 V (AC-3). The device is built to withstand a surge voltage of 6 kV and offers a shock resistance of 25g / 11 ms.
The rated operating voltage ranges from 20 to 690 volts AC.
It mounts securely onto standard DIN rails.
The device operates reliably between -20 and +60 degrees Celsius.
The adjustable current response value ranges from 0.9 to 1.25 amperes.
Yes, it includes integrated phase failure detection functionality.
The maximum short-circuit breaking capacity is 100 kiloamperes.
Yes, it holds ATEX certification Ex II (2) GD.