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Spanish origin, RTR Energia S.L is worldwide leader and innovative company in Power Factor Correction engineering. An ISO 9001 & 14001UL, AENOR certified, we are manufacturer of:


  • Three phase power factor correction capacitors
  • Detuned Reactors (Harmonic Filters)
  • PFC Controllers
  • LV & MV Automatic Capacitor Banks
  • Split Core Current Transformer
  • Lighting & Motor run capacitors
  • Metal Enclosures.


RTR, as an export orientated company, we are present in more than 70 countries around the world, having sales offices in Russia, South Korea, China, Thailand and Turkey.

Committed to quality and innovation, we have been developed patented designed 3PH capacitor using two elements with triple safety which is certified by external laboratory.


Our patented designed DWCAP capacitor series has multiple advantages:

  • Triple safety – Overpressure disconnection system, Fuses in-built in dielectric and DWCAP system internal windings displacement.
  • Constructed by low losses metallized self-healing polypropylene film, high density, high temperature and greater dielectric resistance Volt/µ
  • Encapsulated by non-PCB, polyurethane self-extinguishing Resin V0 (flame retardant), developed under standard UL94 by RTR Energia.
  • Discharge resistors incorporated.
  • The product is type tested and certified by AENOR following standards IEC 60831-1/2 and EN 60831-1/2

RTR Philosophy is “Progress Through Innovation”


RTR Energía: Power Factor Correction Engineering


Download RTR Catalogues’ here



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