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About Us — Powerstax PLC

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Engineering Authority Since 1992

Powering Mission-Critical Applications Globally

Powerstax PLC is an established UK designer and manufacturer of high-reliability power conversion solutions. Serving international OEMs, system integrators, and industrial plant operators for over three decades, we deliver robust AC-DC power supplies, DC-DC converters, thyristor-controlled transformer rectifiers, and high-voltage power platforms.

Our engineering-driven organization combines deep electrical design expertise with modern UK manufacturing standards. From micro-power modules to multi-megawatt industrial rectifiers, Powerstax equipment is engineered to thrive in demanding operational environments including green hydrogen electrolysis, naval defence, medical diagnostics, and offshore oil & gas processes.

Why Procurement Teams Choose Powerstax

We provide international buyers with a transparent, consultative engineering partner capable of custom packaging and stringent qualification.

30+ Years Industry Leadership: Proven track record in high-density power design.
ISO 9001 Certified Quality: Documented QA, FAT/SAT procedures, and full component traceability.
Bespoke & Modified-Standard PSUs: Rapid customization to fit exact voltage, current, and mechanical targets.
Global Compliance: Designed for CE, UL, MIL-STD-1275/704/810, and RoHS/WEEE standards.
Lifecycle Engineering: Dedicated long-term product support, recalibration, and overhaul capabilities.

Technical Excellence

Tailored Solutions for Complex Power Demands

Standard power off-the-shelf products often fail to meet harsh environmental or unique electrical requirements. Powerstax fills this critical gap with precision-engineered solutions backed by full in-house design authority.

In-House R&D & Manufacturing Facilities

Our dedicated UK engineering center executes complete product lifecycles internally. By maintaining total control over critical technical processes, Powerstax ensures absolute compliance with buyer specs:

Advanced Magnetics Design: Custom high-frequency transformers and inductors.
Digital & Analog Firmware: Microcontroller-based control loops and fieldbus communication protocols (CANbus, MODBUS, RS485).
Thermal Simulation & Pre-Compliance: CFD thermal modeling and in-house EMC pre-screening for rapid program deployment.

Industry Experience

Serving Global OEM Sector Leaders

Over 30 years of field deployments give Powerstax unique insights into sector-specific regulations and operational stressors. We engineer tailored topologies matched precisely to application duty cycles:

Clean Energy & Hydrogen: High-current thyristor-controlled transformer rectifiers operating continuously in harsh chemical environments.

Military & Naval Defence: Ruggedized MIL-COTS DC-DC modules resistant to extreme vibration, temperature, and shock.

Medical Diagnostics: Ultra-low noise Medistax® architectures meeting stringent patient safety and low leakage standards (IEC 60601-1).

Corporate Values

Built on Integrity, Precision, and Support

Powerstax prioritizes building long-term, direct technical partnerships with international engineering procurement managers and plant engineers.

Uncompromised Quality

Operating under ISO 9001 quality management systems, every unit manufactured undergoes rigid burn-in testing, insulation resistance checks, and functional factory acceptance testing (FAT) before shipment.

Consultative Engineering

Our technical sales engineers communicate directly with your design team, eliminating intermediary friction to ensure your voltage, thermal, and space constraints are solved cleanly.

Environmental Commitment

We actively comply with international WEEE and RoHS directives, designing energy-efficient topologies that optimize power factor and operational efficiency to reduce long-term carbon footprint.

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Partner with Powerstax Engineers

Send us your technical specification requirements. Our senior application engineers will review your electrical and mechanical requirements to provide a reliable solution.