OMNIPOWER® Three-Phase CT Electricity Meter

Specifications: 

Measuring principle

• Current Single-phased current measurements via current transformer
• Voltage Single-phased voltage measurements by voltage divider

Nominal voltage Un

• 3 x 230/400 VAC -20 % – +15 %

Current: Xs ( Imin– In (Imax))

• 5A – * 0,05 – 5(6) A)

Accuracy class

• Class 0,5 (IEC) / Class C (MID)
• Reactive energy: class 2 (IEC)

Nominal frequency: fn 50 Hz ± 5 % or 60 Hz ± 5 %

Phase displacement:  Unlimited

Operating temperature:  -40 °C – +70 °C

Storage temperature:  -40 °C – +85 °C

Protection class:  IP54

Protection class II

Relative humidity

• < 75 % year’s average at 21 °C
• < 95 % less than 30 days/year, at 25 °C

Weight: 900g with breaker

Application area Indoors or outdoors in suitable meter cabinet

Internal consumption:

• Maximum power consumption of the current circuits with basic current: 02 VA  VA
• Maximum power consumption of the voltage circuits: 2 VA 0.1 W

Materials: Glass reinforced polycarbonate

Data storage:  EEPROM, > 10 years without voltage

Display:

• LCD, 7 mm digit height (value field)
• LCD, 5 mm digit height (identification readings)
• LCD, 3 mm digit height (voltage and tariff readings)

Meter constant: 10000 imp/kWh

S0 pulse diode:

• 10000 imp/kWh, kvarh
• Pulse time: 30 ms ± 10 %

S0 pulse output:

• 1000 imp/kWh
• Pulse time: 30 ms ± 10 %

Real Time Clock (RTC) Accuracy: Typically 5 ppm at 23 °C

Backup Battery life > 10 years at normal operation

Supercap life > 10 years at normal operation

Supercap operating time 7 days fully charged