Precision Voltage You Can Rely On – TSP Voltage Stabilisers
Engineered for laboratory and medical applications requiring ±0.1% voltage stability.

Unrivalled Precision for Demanding Applications
Pure Power, No Compromise
Our TSP System uses mechanical variation, instead of semiconductors, ensuring zero harmonic distortion and preserving the integrity of your power supply.
Engineered for Reliability
Here When You Need Us
Our dedicated support team is committed to helping you every step of the way - from initial consultation to after-sales service. Your success is our priority.
Tailored Solutions for Unique Challenges
Have specific technical requirements or installation constraints? We offer fully customisable units to meet your exact needs.
A Century of British Engineering Excellence
Proudly manufactured in the UK for over 100 years, Claude Lyons combines heritage craftsmanship with modern innovation.

What Makes TSP Voltage Stabilisers Different?
The Claude Lyons TSP Series delivers ultra-precise voltage regulation in environments where even minor fluctuations can affect performance or safety. Developed specifically for use in laboratories, medical diagnostics, imaging systems, and sensitive electronic setups, the TSP range maintains a rock-solid output with just ±0.1% deviation from nominal voltage. This exceptional accuracy - combined with proven repeatability - ensures that your critical equipment receives stable, consistent power every time, safeguarding uptime, protecting valuable assets, and supporting long-term, dependable operation.
Applications
TSP precision voltage stabilisers are ideal for:
Medical Imaging Equipment
Laboratory Instrumentation
Hospital Diagnostic Systems
Research and University Labs
Calibration Facilities
Clean Room Environments
Key Specifications
Feature | Specification |
---|---|
Voltage Regulation Accuracy | ±0.1% |
Output Voltage | Three Phase 400V or Single Phase 230V nominal (custom options available) |
Input Voltage Range | Input Swings from +/- 9% to 45.5% |
Power Capacity | From 1 kVA up to 100 kVA (Higher capacity available) |
Response Time | Typically < 10 milliseconds |
Waveform Distortion | None added |
Cooling Method | Natural air-cooled |
Enclosure | IP20 Steel enclosure (IP00 to IP65 options available) |
Operating Temperature | 0°C to 45°C (standard) |
Certifications | UKCA and CE |
Country of Manufacture | United Kingdom |
“With the TSP stabiliser installed, we’ve eliminated unexplained equipment resets. Our lab’s sensitive instrumentation now runs flawlessly.”

Need to Specify a Voltage Stabiliser for a Project?
Our technical experts can help you select the right stabiliser for your medical or laboratory equipment. Contact us today for tailored advice or a quick quote.
ABOUT US
Claude Lyons, a UK brand established in 1918, has been a pioneer in voltage and power control, making significant advancements in energy saving and harmonic mitigation, and is globally recognised for its voltage stabilisers, power conditioning and uninterruptible power supplies (UPS). In 2016, Allendale Group Ltd acquired Claude Lyons’ trademarks, product designs, and intellectual property, continuing the legacy of innovation and commitment to high-quality products.
Allendale Group Ltd
Pindar Road
Hoddesdon
Hertfordshire
EN11 0BZ
United Kingdom
Tel: +44 (0)1992 455 930
Email: sales@claudelyons.com
Claude Lyons Ltd is a subsidiary company of Allendale Group Ltd.