Digital Panel Meter, Power, Energy, Voltage and Current, Input Range 3 Phase or 1 Phase, Line to Neutral 290 V, Line to Line 500 VAC, True RMS, Use With External 5 Amp Current Transformers, Fits 1/4 DIN, 96 x 96mm Opening, Din Rail, Connector Type Screw Terminal, Power Required 85 to 253 V AC/DC, 45 to 400 Hz, Interface Front Keypad, Ethernet, Modbus, Output 2 Digital （Alarm or Pulse）, NEMA Rating IP66, Depth 46mm, Mounting 1/4 DIN or Panel, Includes Mounting Hardware and Instructions