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Leading-edge power electronics with a wide application spectrum

Technological excellence

The EA Elektro-Automatik Group is Europe’s leading supplier in the area of power electronics for R & D and industrial application. At the headquarter in Germany in the industrial centre of North Rhine Westphalia 450 qualified associates, in a facility of 19000 m², research, develop and manufacture high-tech equipment for power supplies, high power mains adaptors and electronic loads with or without power feedback.

Development partner in forward looking sectors

Global customer support

We develop, research, and manufacture on an area of 19,000 m2 at our headquarters in Germany in the industrial centre of North Rhine Westphalia (Viersen) and we research, develop and manufacture leading-edge laboratory power supplies with a wide application spectrum. Our equipment is used in various industries, such as:

  • Automotive
  • Electric mobility
  • Electrochemistry
  • Process Technology
  • Alternative Energies etc.

As a globally active company EA maintains close contact with national and international customers and partners. The sales network includes branches in China and USA, sales office in Spain and an extensive partner network.

Advanced power electronics

for high-power testing and simulation


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EA Milestones

Successful since 1974

  • 2023

    With the new EA-BT 20000 series, the company launches powerful battery testers that serve new markets

  • 2022

    Launch of the EA-10000 Industrial series, a breakthrough in power density with 60 kW

  • 2021

    Introducing the 10000 series with expanded and improved DC power supplies and loads

  • 2020

    Sustainable battery recycling with EA Elektro-Automatik

  • 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)