5 LED instructions respectively power supply state (phase voltage A,B,C) and REV. signal of closed energy impulse.
Ten pole width, complying with standard JB/T7121-1993.
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).
35mm standard DIN rail installation, complying with standard DIN EN50022.
Standard configuration 5+1 digits display (99999.9kWh) by step motor impulse register.