Power Meter, LCD Display, Mounting Panel, Input Voltage 110/340V DC, 120/240V AC, Amps 1 A, 5 A, +/-0.20 Percent Accuracy, Measures Current, Frequency, Power, Voltage, Enclosure Rating NEMA 12, Hz 50/60, Meter Range 12 to 828V, Phase 3, Operating Temp. Range 14 Degrees to 131 Degrees F, Height 9.66 in, Width 8.21 in, Depth 3.78 in, Standards UL Listed, Modbus - 2 Quadrant