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The Siemens 3RV1912-1CV0 is an undervoltage release designed for use with motor circuit breakers, specifically compatible with the 3RV1011 series. This accessory operates on an AC control supply voltage with a rated value of 400V at 50 Hz.
Featuring a compact design with a width of 18.5 mm, height of 90 mm, and depth of 68 mm, it utilizes a snap-on mounting method for easy installation. The undervoltage release offers protection class IP20 on the front and provides finger-safe touch protection. It includes 2 leading auxiliary NO contacts.
General technical data indicates a rated insulation voltage of 690V and a degree of pollution of 3. The operating ambient temperature range is -20 to +60 °C, while storage temperature ranges from -50 to +80 °C. The product brand name is SIRIUS, and it is suitable for motor circuit breaker applications.
Certificates of suitability include CE, UL, and CSA. This component is designed to enhance the safety and functionality of motor control systems by providing undervoltage protection.
-20 to +60°C.
400 V AC at 50 Hz.
Snap-on mounting.
18.5 mm width, 90 mm height, 68 mm depth.
IP20 on the front.
2 NO leading contacts.
690 V AC.