DC1-124D3FN-A66CE1 is a part of the Eaton DC1 Series PowerXpert Modular Meters. It is a Universal-Input, Modular-Style 120–277 Vac Single-Phase AC Digital Meter with Power and Energy Meter, Class 0.5 accuracy. This meter provides metering of kW, kVAR, kVA, kWh, kVARh, Volts, Amps and more. The backlit LCD display, accessible power supply and optional communications allow easy reading of real-time power and energy data from the top sleeve of a panelboard. This meter is UL listed and suitable for use in circuits rated up to 277 Vac and 22 A.