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The Siemens 3RV20314KA10 is a robust circuit breaker designed for motor protection applications. It belongs to the SIRIUS 3RV2 series and is built to size S2 standards.
This thermal overload circuit breaker features a 3-pole main current circuit and an adjustable current response value for overload protection ranging from 62 to 73 Amps. It operates with a rated voltage of up to 690V AC and a rated frequency of 50-60 Hz. The breaker offers a significant breaking capacity, with a maximum short-circuit current (Icu) of 65 kA at 240V and 400V.
Designed for reliable performance, it includes phase failure detection and meets CLASS 10 trip class requirements. The mechanical and electrical endurance are rated for a typical 20,000 switching cycles. It is also ATEX certified for use in potentially explosive atmospheres.
The 3RV20314KA10 is suitable for DIN rail mounting, making installation straightforward in control panels and electrical enclosures. Its operational temperature range is -20 to +60 °C.
The operating voltage range is 20 to 690 V AC.
-20 to +60 °C.
62 to 73 A.
CLASS 10.
Icu = 65 kA, Ics = 30 kA.
Yes, ATEX type Ex II (2) GD per certificate DMT 02 ATEX F 001.
20,000 switching cycles for both main and auxiliary contacts.