About Us


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The Claude Lyons Group was founded in 1918 and is still in private ownership.  Since our early days we have been innovators in areas related to voltage and power control and more recently in energy saving and harmonic mitigation. Operating as a global exporter with many years experience we can justifiably call ourselves a world leader in the field of voltage stabilisers, power conditioning and uninterruptible power supplies (UPS).

We strive hard and aim to be "the number one" in terms of customer satisfaction and service. Certainly over the years we have acquired considerable knowledge and understanding of our customers' power problems and are acknowledged by many as the world  specialist in voltage stabilizers.

To support our core business we acquired in 1985 The Transformer and Electrical Company Limited (TEC®) (founded in 1941), who design, build and market a wide range of power transformers, chokes and power supplies. Our technical sales staff will be pleased to discuss your application details and any specific requirements you may have before recommending solutions from our extensive range of voltage regulators and power correction products.

The Claude Lyons group operates from its spacious and well equipped freehold factory of 35,000 sq ft (3250 sq m) at Waltham Cross, Herts, which we have occupied since 1979.

The Claude Lyons Group is registered with BSI to the latest quality management standard BS EN ISO 9001:2008 and are proud to be a founding member of the Voltage Optimisation Industry Council of Excellence.

BSI UKAS QMS RISQS verified Voice1-webFor information, technical details and quotations please contact us  

The Claude Lyons Group, Brook Road, Waltham Cross, Herts, EN8 7LR, England
Tel: 01992 768888  Fax: 01992 788000

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