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The Siemens 3RV20314VA15 is a robust circuit breaker engineered for reliable motor protection. It belongs to the SIRIUS 3RV2 series and is built to handle demanding industrial applications.
This breaker features a size S2 frame and a thermal magnetic overload release with an adjustable current response value ranging from 35 to 45 A. It is designed for a 3-pole configuration, providing comprehensive protection for three-phase motors. The operational current is rated at 45 A at 400V AC-3 and AC-3e, with a maximum operating voltage of 690V.
Key protective functions include phase failure detection and a CLASS 10 trip class, ensuring prompt response to electrical faults. The breaker offers a significant breaking capacity of up to 100 kA at 240V AC and 65 kA at 400V AC. It is equipped with screw terminals for secure connections and supports standard DIN rail mounting for easy integration into control panels.
Additional features include transverse auxiliary switches with 1 NO and 1 NC contacts, suitable for signaling and control circuits. The operating temperature range is -20 to +60 °C, and it can be installed at altitudes up to 2,000 meters. The breaker also meets ATEX directive requirements for use in potentially explosive atmospheres.
The rated operating voltage is 20 to 690 V AC, with a maximum of 690 V at AC-3 and AC-3e.
It is designed for DIN rail mounting.
The operating ambient temperature range is -20 to +60 °C.
The adjustable current response value for the thermal overload release is 35 to 45 A.
It has ATEX Type of Protection Ex II (2) GD and Certificate DMT 02 ATEX F 001.
It has 1 normally closed (NC) and 1 normally open (NO) auxiliary contact.
The trip class is CLASS 10.