1SYG233955R4051

ABB M1V 3-1 is a digital single-function, three-phase voltmeter designed to measure and display AC voltage in three-phase electrical systems. It provides Class 1 measurement accuracy and is suitable for electrical distribution panels, industrial switchboards, control panels and power distribution systems. The device also supports frequency measurement and serves as a digital alternative to conventional analog voltmeters, enabling convenient monitoring of electrical system voltage and frequency.