PREMIUM converters and custom solutions for the high-end industry

Premium is a Spanish manufacturer of DC / DC converters, DC / AC inverters, UPS systems and AC / DC power supplies. With more than 39 years of experience, they guarantee innovative, compact and robust designs. Premium focuses mainly on high-end machine builders, railway & transportation, energy sector and customers who need robust power supplies that have to run under extreme conditions.


In addition to their standard portfolio, Premium is also the specialist in customization. Under the motto “Custom is our Standard” they have one of the best laboratories available to adapt existing systems or design completely new solutions. Thanks to short lead times, low NRE costs and a specialized team of design engineers, they have successfully developed over 900 tailor-made solutions for a wide range of high-end customers.

Premium standard products

  • AC / DC power supplies from 15W to 1.2kW
  • DC / DC converters from 60W to 2kW
  • Railway DC / DC converters
  • Industrial DC / AC inverters single phase from 180W to 4kW and three phase from 1.1kW to 6kW
  • AC / DC UPS from 100W to 500W

19-inch EN50155 DC/DC converter

AC/DC UPS on 12, 24 or 48V DC

DC/AC inverter from 220 up to 3000VA

Technical possibilities of the tailor-made solutions


  • Power from 50W to 50kVA (very high power density, high frequency)
  • Efficiency up to 96%
  • Multiple and wide input and output voltages
  • Up to IP68 rating possible
  • Wide temperature range from -40 ° C to + 85 ° C
  • 10kV isolation (peaks of +/- 20kV 1.2 / 50 µs)
  • RS232, RS485, I2C, Modbus, CANbus, Ethernet, Web embedded server, profibus, etc.
  • All common standards: IEC62368, EN50155, IEC45545,…