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Low voltage capacitor banks

Contactor-switched capacitor banks for power factor compensation

Hitachi Energy's capacitor banks provide the ideal power factor correction solution for industrial and commercial networks. The benefits are:

  • Solving utility penalty charges due to low cos φ 
  • Improving energy efficiency
  • Releasing additional capacity or increasing system load without additional equipment
  • Increasing service life time of infrastructure


The low-voltage contactor-switched capacitor bank can be used in industrial and commercial networks buildings. Industry segments where the product can be used include:

  • Mining 
  • Steel
  • Chemical
  • Pulp and paper
  • Cement
  • Plastics
  • Printing
  • Food industries

Why Hitachi Energy?

Low-voltage capacitor banks' features include:

  • Exceptional reliability and safety
  • Powerful and compact
  • Modular design
  • Easy to install and use with the RVC or RVT controller 
  • Detuning reactors models available (APCQ-R)
  • Two executions: wall-mounted (APCQ-L) and free-standing floor mounted cubicles (APCQ-M/R)
  • Hitachi Energy capacitor technology using dry type design
  • Ready for connection (no need for auxiliary transformer)

Brief performance data

  Standard design Detuned design (harmonic protection
Voltage range 208 V up to 600 V at 60 Hz (please consult us for other voltages)
Power range From 30 kvar to 1000 kvar From 75 to 1600 kvar
Working ambient temperature -10 °C to +40 °C
Installation Free floor standing, bottom cable entry (top entry optional)
Connection  Three-phase
Enclosure NEMA type 1 (Standard) / type 12 (optional) / type 3R (optional)
Execution Indoor and outdoor
Ventilation Forced air cooling
Capacitors QCap / CLMD CLMD
Reactors NA Dry type resin embedded.


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