Transformer & Electrical Company (TEC Registered Trademark). Originally founded in 1941, TEC became part of the Claude Lyons Group in 1985 and in 2016 the brand was acquired by The Allendale Group Ltd.

Many of Claude Lyons products incorporate TEC transformers guaranteeing the quality and reliability of our products.

TEC offers a professional range of high grade of single and three phase, dry, oil immersed and resin cast transformers. Chokes, auto starting transformers, harmonic reduction transformers, energy saving transformers, and rectifier units.