Power Meter LED Display Mounting ANSI C39.1 4 in Round Cut-Out Input Voltage 20 to 721V AC Delta 38 to 416V AC Wye Amps 1 A +/-0.20 Percent Accuracy Measures Amps Volts Enclosure Rating NEMA 12 Hz 60 Meter Range 20 to 721V AC Delta 38 to 416V AC Wye Phase 3 Operating Temp Range -4 Degrees to 158 Degrees F Height 4.85 in Width 4.85 in Depth 4.25 in Standards CSA Certified UL Listed Interface BACnetIP