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The Siemens 3RV20110EA10 is a thermal overload circuit breaker designed for motor protection. It features an adjustable current response of 0.28 to 0.4 A and a rated operating voltage of 20 to 690 V AC. The device is a 3-pole unit with size S00, compatible with contactors of sizes S00 and S0. It includes an integrated auxiliary switch and phase failure detection, and offers a trip class of CLASS 10. The mechanical service life is rated at 100,000 switching cycles for both main and auxiliary contacts, and the electrical endurance is also 100,000 cycles. The circuit breaker is ATEX certified for explosive atmospheres (Ex II (2) GD) with certificate DMT 02 ATEX F 001. It operates in ambient temperatures from -20 to +60 °C and can be stored at -50 to +80 °C. The unit is mounted on DIN Rail and provides short-circuit breaking capacity of 100 kA at all AC voltages up to 690 V. The overload release is thermal, and the power loss is 5.5 W total (1.8 W per pole). Insulation voltage is 690 V with surge voltage resistance of 6 kV.
The operating voltage range is 20 to 690 V AC.
The operating temperature range is -20 to +60 °C.
The trip class is CLASS 10.
Yes, phase failure detection is integrated.
Yes, it is ATEX certified as Ex II (2) GD with certificate DMT 02 ATEX F 001.
The mechanical service life is 100,000 switching cycles for both main and auxiliary contacts.
The adjustable overload release current range is 0.28 to 0.4 A.