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Power Electronics “made in Germany

A brief insight

EA Elektro-Automatik GmbH & Co. KG is Germany’s leading manufacturer of laboratory power supplies, high-performance power supplies and electronic loads. Helmut Nolden founded the company in 1974 with the vision of developing highly-qualified power supply systems for all applications. Today, EA Elektro-Automatik is a globally operating, medium-sized company.

Power Supplies for Research, Development, and Industry

Everything from one source

We develop, research, and manufacture on an area of 18,000 m2 at our headquarters in Viersen, North Rhine-Westphalia, and have subsidiaries in China, Russia and USA. With the help of an extensive dealer network, we supply high-tech technology all over the world. Our equipment is used in research and development and industrial applications in the following industries:

  • Automotive and electric mobility
  • Electrochemistry
  • Process Technology
  • Alternative Energies
  • Telecommunications

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EA Elektro-Automatik – A look behind the scenes

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EA Elektro-Automatik – A look behind the scenes

EA Milestones

Successful since 1974

  • 2019

    Bidirectional loads up to 2 MW

  • 2018

    Foundation of EA Elektro-Automatik Inc. in San Diego, USA

  • 2017

    Bidirectional loads up to 540 kW

  • 2012

    All EA devices from 1 KW on are optionally equipped with touch panel

  • 2012

    Electronic loads with mains recovery up to 105 KW

  • 2011

    Foundation of EA Elektro-Automatik Co. Ltd. in Shanghai High-performance laboratory and industrial power supplies with PFC, resonance converter and auto-ranging output up to 150 KW

  • 2009

    Introduction of a micro-controller control for all laboratory power supplies from 640 W

  • 2007

    World novelty: Laboratory power supplies series with flexible output power – clocked in 1.5 to 9 KW and 0… 80 V and 0… 300 V.

  • 2005

    Pulsed laboratory power supplies family 160 W, 320 W and 640 W In 0… 16 V, 0… 32 V, 0… 65 V and 0… 150 V

  • 2003

    Two-stage high-performance resonance converter Power supply with Economy Controller

  • 2002

    Power supply for telecommunication with remote monitoring

  • 2001

    19 inch clocked power supplies

  • 1999

    Outdoor backup system for GSM and radio relay

  • 1998

    clocked inverter 2500 VA

  • 1997

    Production expansion (Hall 3), Helmholtz Street to 10,000 m2. Telekom, foundation of EAC (Elektro-Automatik-Convertronic). 48 DC USV for directional antennas, GSM, UMTS

  • 1996

    World novelty: Electronic load with energy recovery 2KW

  • 1995

    High voltage laboratory power supplies with resonance converter and power factor correction. Establishment of the production cooperation in China.

  • 1985

    Production expansion (Hall 2), Helmholtzstrasse Company innovation: Primary switched-mode laboratory power supplies

  • 1981

    Foundation of EA Elektro-Automatik in Viersen, at the new building in Viersen, Helmholtz street, with 2.000 m2 floor space. Product range: laboratory power supplies, inverters, chargers

  • 1974

    Foundation of EA Elektro-Automatik in Viersen, am Kronenfeld, by Helmut Nolden. Production of linear regulated power supplies for hobby, industrial and radio technology (CB, HAM)