Three-phase power meter applications: energy management systems, substation automation, distribution automation, residential electricity monitoring, industrial automation, smart power distribution panel, switchgear and other multifunction meter Ordering: models, sizes and varying input signal output ratio. Three-phase three-wire or three-phase four-wire. Which means of communication. Features: 1. Direct current, voltage transformer signal; 2. can be set arbitrarily PT / CT transformation ratio; 3. The instrument displays a scrollable set; 4.I / O switch, relay alarm output, 4 ~ 20mA analog functions such as modular design; 5. Multi-instrument can be set to a different address blocks; 6. communications access SCADA, PLC systems; can be used with a variety of software industry newsletter (Intouch, Fix, Citec, network configuration, etc.) ; 7.LED or blue backlit LCD display, high visibility; 8. Easy installation, simple wiring, small quantities; 9. The instrument uses a dedicated power failure protection circuitry in case of loss of power, data storage is not lost, restore power After the meter continues to run; 10 four-quadrant energy metering, time billing, maximum demand records and statistical power for 12 months.