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VarPlus Can are low voltage aluminium can capacitors specially designed to deliver a long working life with low losses in standard, heavy-duty and severe operating conditions.

  •  Technical datas:
      - High life expectancy up to 160,000 hours
      - Voltage up to 830 V
      - Power ratings up to 50 kvar
      - Operating temperature up to 70 °C
      - Degree of protection IP20
      - Compliant with standards IEC 60831-1 and -2.

VarPlus Can capacitors must be selected depending on the working conditions expected during their lifetime. Since the harmonics are caused by non-linear loads, an indicator for the magnitude of harmonics is the ratio NLL of the total power of non-linear loads to the power supply transformer rating.

Solution: description Recommended use for Max. condition
SDuty: Standard capacitor Networks with non significant non-linear loads NLL = 10 %
  > Standard over-current 1.5 IN
  > Standard operating temperature 55 °C (class D)
  > Normal switching frequency 5,000 / year
  > Standard life expectancy up to 100,000 h
HDuty: Heavy-duty capapcitor > Networks with a few non-linear loads NLL = 20 %
  > Significant over-current 1.8 IN
  > Standard operating temperature 55 °C (class D)
  > Significant switching frequency 7,000 / year
  > Long life expectancy up to 130,000 h
Energy: Capacitor for special conditions > Networks with significant number of non-linear loads NLL = 25 %
  > Severe over-current 2.5 IN
  > Extreme operating temperature 70 °C
  > High switching frequency 10,000 / year
  > Extra long life expectancy up to 160,000 h

A safe, reliable and high-performance solution for power factor correction in the most severe application conditions

  • Safety
    - Self-healing
    - Pressure-sensitive disconnector
    - Discharge resistors fitted
    - Finger-proof Clamptite terminals
    - High thermal efficiency
  • Easy to install, easy to maintain
    - Compacity with an optimized design for small dimensions and low weight
    - Vertical or horizontal installation
    - Unique termination system for maintained tightening

Fixed and Automatic Power Factor Correction systems

  • Compensation in real time
  • Compensation with detuned and tuned filters


Voltage range: 440V/480V/525V, 50Hz (Other Ratings on Request)
Power range: Up to 100kvar


Reactors have to be associated to capacitor banks for Power Factor Correction in systems with significant non-linear loads, generating harmonics.

Capacitors and reactors are configured in a series resonant circuit & the configuration is usually called "Detuned Capacitor Bank", and the reactors referred as "Detuned Reactors".

The use of detuned reactors thus prevents harmonic resonance problems, avoids the risk of overloading the capacitors and contributes to reducing voltage harmonic distortion in the network