WNC-3D-480-FT10

  • The Echelon submeter is a kilowatt-hour (kWh) energy and power meter that communicates on a LonWorks network and measures 1, 2, or 3 phases with voltages from 120 to 600 Vac and currents from 5 to 6,000 amps in delta (line-to-line) and wye (line-to-neutral) configurations.

  • Communication
    • Protocol: Echelon’s® LonTalk® (ANSI/CEA-709.1-B-2002, EN 14908, GB/Z 20177.1-2006)
    • Transceiver: Echelon TP/FT-10
    • Bit Rate: 78 kbps
    • Maximum Nodes: 64 per subnet
    • Maximum Distance:
    • Free Topology: 500 meters
    • Bus Topology: 2700 meters
    • Maximum Stub Length:
    • Free Topology: Unlimited
    • Bus Topology: 3 meters
    Electrical
    • Line powered
    • Operating Voltage Range: –20% to +15% of nominal
    • Power Line Frequency: 50 or 60 Hz
    • CT Input: 0.333 Vac nominal, 0 to 0.5 Vac operating, 3 Vac maximum
    Measurement Configurations
    • Single phase: two or three wire
    • Three phase: four wire wye
    • Three phase: three wire delta
    • Three phase: four wire delta
    Accuracy
    • 0.5% nominal (see manual for details)