■ Powered by the measuring circuit ■ Compatible with AC and DC supply ■ Built-in LCD and keypad afford a precise,digital setting ■ Compact modular 43mm housing ■ Adjustable over- and undervoltage threshold ■ Independent adjustable delay time for overvoltage, undervoltage ■ Adjustable reset mode:automatic reset or manual reset ■ 1CO & 1NC contacts ■ Fault recording with last 3 faults
