National Meter Industries K4480-400 - Three Phase Kilowatt Hour Energy Meter

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The National Meter Industries 4000 series is a polyphase kilowatt hour meter which displays KWHs, Volts, Amps, and real-time KW per phase. Each meter includes 3 solid-core CT's.


  • Easy to Install
  • Six-Digit kWh LCD Display (No Display Multipliers)
  • Displays L1, L2 & L3 Power Readings
  • Volts, Amps and Instantaneous KW also Displayed
  • Remote CT Operated
  • kWh Pulse, Form A Relay
  • Plug in Terminals for field testing
  • Display Indicates correct wiring
  • RS485 Output ModBus RTU & (1) Output Relay included
  • Includes Three LX-400 4-400A Solid Core Current Transformers


  • Apartment Buildings
  • Residential
  • Commercial
More Information
Features Panel Mount, Surface Mount
Manufacturer National Meter Industries
Measurement Three Phase 3 Wire, Three Phase 4 Wire
Rating 277/480V
Type KWH Power & Energy Meters
Additional Skus K4000, K4480-400, K4480400, K4480-100, K4480100, K4480-200, K4480200
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