1.1.2. Major Application

1.1.3. Major Function

• Active energy measurement.
• LCD display with backlit and power off display.
• Anti-tampering detection and alarm indication.
• Neutral missing measurement and pulse output under this case.
• MD-Rest

1.1.4. Normative References

• IEC62052-11 Electricity metering equipment(AC)-General requirements, tests and test conditions- Part11:Metering equipment
• IEC62053-21    Electricity metering equipment(AC)-Particular requirements-Part21:Static meters for active energy (classes 1 and 2)

2. Technical Parameters 

2.1. Operating Voltage

• Nominal voltage Un:                                  240v
• Operating voltage range
• Operating voltage range:                           0.70 Un ~ 1.20 Un
• (The meter can work normally within the operating voltage range)

2.2. Current Parameter

• Basic current Ib              10A
• Max current Imax         60A
• Metering starting current (0.2%Ib)         20mA
• Metering current range         20mA ~ 60A
• Duration for starting current:                         453s~476s

2.3. Frequency Parameter

• Nominal frequency  fn         50Hz
• Frequency application range         95% fn~105% fn

2.4. Self-power Consumption

• Consumption at voltage circuit:           <0.5W, 7.5VA
• Consumption at current circuit:         <1VA

2.5. Active Metering Accuracy

2.6. Display Mode 

• Display mode                                LCD display of wide temperature range
• Character digits for data item display       8 digits including 6 integers and 2 decimals
• 0 leading with energy data

2.7. Pulse Constant

2.8. Active Output Check

2.9. Meter Electromagnetic Compatibility

2.10. Insulation Test

2.11. Application Ambient