Features

• Black panel, 3 line LED, high definition and brightness
• Combination of remote signaling, remote control, remote metering, and remoter sensing
• Compact design with full measurement
• External CT programmable
• RS485 communication/ MODBUS protocol
• Password protect

Performance Index

• Standard: DLT721-2000, IEC61000-4
• Accuracy: 
  Voltage: 0.2%
  Current : 0.2%
  Power: 0.5%
  Active energy: class 1
• Power loss＜2VA
• Power frequency withstand voltage: AC2kV/ min. ~1mA Input--Output--Power
• Insulation resistance ＞50MΩ
• Impulse withstand voltage: 5kV (peak), 1.2/50uS
• Input range: 
  Current: AC 0~5A
  Voltage: 0~220VAC
  Frequency: 50~60Hz
• Overload capability: 120% of rated current or voltage
• Communication: 
  RS485 port/ MODBUS protocol
  Baud rate: 4800/ 9600bps
  Address: 1~ 247
• Status input: external power supply
• Electrical fast transient/burst immunity test: IEC61000-4-4, Level 4
• Surge immunity test: IEC61000-4-5, Level-3
• Electrostatic discharge immunity test: IEC61000-4-2, Level 4
• Operating temperature: -40~ 70℃
• Storage temperature: -50~85℃
• Humidity: 5~95%, non-condensing