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Kamstrup OMNIPOWER® Three Phase 100A direct connect Smart Meter

OMNIPOWER® three phase 100A per phase direct connect smart meter. Fitted with internal Smart disconnect breaker, RF for communications, Accuracy Class 1 and measuring 4 quadrants. Complete with Battery & Supercap.

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Kamstrup OMNIPOWER three-phase meter is a direct connected 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. The shunt measuring principle secures good linearity and a considerable dynamic range. At the same time, the shunt measuring principle is immune to magnetism and DC currents. The easily readable display scrolls automatically between readings, or readings can be changed manually by the consumer activating a push button. The required display readings as well as their order are configurable. In addition to being read from the display, data can be collected via Radio Mesh network, optical output or from the module area. The unique module area also permits external changing of tariffs, pulse inputs and outputs, and configuration as well as a wide range of communication media. From the factory, the meter can be configured to measure both imported and exported energy. As it is constructed with three independent and galvanically separated measuring systems, the meter makes accurate measurements whether it measures 1, 2 or 3 phases. Measurements are saved in a permanent memory.

As default, Kamstrup OMNIPOWER three-phase meter can generate load profiles in all four quadrants. A load profile provides detailed information about consumed and produced energy. An additional logger with 16 channels contains data for analysis purposes. As default, Kamstrup OMNIPOWER three-phase meter is supplied with the functions Smart Disconnect and software controlled Prepayment. The OMNIPOWER three-phase meter is also designed to support extended analysis of the main grid using measurements of THD, Power Factor, Voltage unbalance, Voltage variations and sags and swells. The meter registers loss of neutral conductor and allows automatic disconnection to minimize damages to household appliances. In order to minimise the manual configuration during installation, the meter is pre-configured from the factory. Furthermore, the meter can be reconfigured via a Smart Metering system.

Measuring principle

  • Current Single-phased current measurements by current shunt
  • Voltage Single-phased voltage measurements by voltage divider

Nominal voltage Un

  • 1×230 VAC -20 % – +15 %
  • 2×230/400 VAC -20 % – +15 %
  • 3×230/400 VAC -20 % – +15 %

Current :  Itr – Ib (Imax) 0.25-5(100)A 35 mm²

Accuracy class MID:  Class B

IEC: Class 1

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: 1300 g with breaker

Application area Indoors or outdoors in suitable meter cabinet

Internal consumption

Maximum power consumption of the current circuits with basic current:  0.01 VA 0,01 VA

Maximum power consumption of the voltage circuits:  0.4 VA 0.1 W

Materials: Glass reinforced polycarbonate

Data storage:  EEPROM, > 10 years without voltage


  • 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 %

Short circuit protection level:  4500 A

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