About us

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Since 1943 we have focused our activities on power electronics for scientific research, with a flexible customer-oriented approach. Our main commitment is in the field of:

  • Plasma physics
  • Particle accelerators
  • Industrial applications
  • Medical particle therapy
  • Superconductivity
  • Radio Frequency Systems
  • Transportation
  • Food processing

For more than 70 years we have supplied:

  • Highly stabilized current power converters for magnets and coils
  • High voltage modulators
  • Power supplies for RF systems
  • High voltage power converters for IOTs, gyrotrons, tetrodes, klystrons
  • Pulsed power converters
  • Capacitor Chargers
  • Railroad converters and gearboxes
  • Solid state and hybrid switches
  • Quench protection systems
  • Complete turn-key systems

United to Power

Together with Ampegon Power Electronics, OCEM Power Electronics is a powerful market leader in radio-frequency amplifiers and high-voltage and high-current power systems for sectors ranging from experimental nuclear fusion plants to particle accelerators, from radio transmission systems for the media to pulsed technologies for MedTech.

OCEM Power Electronics is a company of

Aretè Cocchi Technology is an industrial group devoted to innovation, technology and growth. Established in the 90s by Gino Cocchi, today ACT consists of 14 companies that employ more than 850 people worldwide. We feature manufacturing in Italy, France, Germany, the U.S., China and Switzerland; commercial and technical centers in more than 12 countries; and sales in over 100 countries.

Discover the ACT network