Variable Transformers

Regavolt® Variable Transformers:

Unlock precise voltage control with Regavolt® variable transformers, offering adjustable output from 0-100% or 0-115%. Trusted for their reliability and accuracy, Regavolt® transformers are essential for electrical workshops, electronics labs, and British Standards testing. Backed by a rich heritage going back to 1933 and now a registered trademark of The Allendale Group Limited, our range provides customisable options for single and three-phase systems.

Portavolt® 7 Series:

Experience unparalleled performance with the Portavolt® 715 Series of enclosed variable auto-transformers, renowned for their robust construction and portability. Featuring the latest generation of Claude Lyons Regavolt® variable transformers, these units meet the highest industry standards, making them ideal for laboratory, manufacturing, test, and educational applications. With various metering and input/output connection options, as well as shrouded 4mm test sockets for external meter connection, Portavolt® ensures seamless integration and precise control in any setting.

Regavolt® Variable Transformers

• High-resolution windings, allowing precise voltage adjustments
• Silver-plated track surface for superior contact and corrosion resistance
• Manufactured to the latest standards – BS EN 61558-2-14
• 3kVA unit rating, insulation >10Mohms
• Continuously variable output voltage 0-115%
• Ambient temperature -30 °C to +40 °C
• Encapsulated design – improved heat dissipation and physical protection
• Rugged construction and low friction, low-wear roller brushes
• Mounting fixture kit included
• Optional knobs and dials available

Portavolt® 715 Series