OMNIPOWER® Three-Phase CT Electricity Meter

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OMNIPOWER® Three-Phase CT Electricity Meter

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OMNIPOWER CT is a 3-phased current transformer electricity meter for registration of electric energy. The meter is fully electronic without movable parts. Thus, energy registration is not affected by shock or impact during transport and mounting. Furthermore, measurements are correct no matter the physical mounting direction. Energy is determined by simultaneously measuring voltage and current. The current is measured via current transformers.

 


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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

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