5 LED instructions respectively power supply state (phase voltage A,B,C) and REV. signal of closed energy impulse.
35mm standard DIN rail installation, complying with standard DIN EN50022.
Ten pole width, complying with standard JB/T7121-1993.
Standard configuration 5+1 digits display (99999.9kWh) by step motor impulse register.
Automatic detection the direction of the flow of load current. And instructions (signal of closed energy impulse is green when working, that is meaning the direction of the flow of load current reverse).