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Power Electronics “made in Germany

A brief insight

The 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

The 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.

We develop, research, and manufacture on an area of 10,000 m2 at our headquarters in Viersen, North Rhine-Westphalia, and have subsidiaries in China and Russia. 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)