Power Meter No Display Display Mounting Flush Input Voltage 120/480V AC 125/250V DC Amps 1 A 5 A +/-0.20 Percent Accuracy Measures Current Data Logging Energy Frequency Harmonics Power Voltage Enclosure Rating Not Enclosed Hz 50/60 Meter Range 20 to 690V Phase 3 Operating Temp Range -25 Degrees to 70 Degrees C Height 3.78 in Width 3.78 in Depth 2.83 in Standards ANSI C12.20 Class 0.2 Modbus