Design, Manufacturing and Distribution of Power Electronics Components
Over 40 years developing reliable and robust industrial solutions.
Design, Manufacturing and Distribution of Power Electronics Components
Thermal Management for Power Electronics Semiconductors
Calculation, Design, Manufacturing and Machining in-house of extruded heatsinks, high efficiency heatsinks, cold plates, ventilation and temperature control
Thermal Management for Power Electronics Semiconductors
Power Stacks and Assemblies
Power stacks, converters and power assemblies with IGBTs, MOSFETs, SCRs, diodes...
Power Stacks and Assemblies

Your Needs,
Our Solutions.

RECTIFICADORES GUASCH, S.A.U. is a dynamic fully independent and private company capable of satisfying the needs of both our domestic and international customers, in a market in continuous evolution. Our primary business line is the manufacture of power electronics assemblies, either our own designed or in collaboration with our customers, together with the distribution of semiconductors and accessories. Guasch offers a wide range of high-quality products and meets its delivery commitments. These two factors, together with the expertise and know-how obtained from over 40 year´s experience, ensure our customer’s trust and loyalty. Our own resources include everything from R & D process to the manufacture and assembly of power equipment in our Barcelona production facility. We closely monitor and control quality throughout all phases of the production process. Constant investment aimed at increasing our capabilities and enhancing our facilities places us in an ideal position to continue providing solutions for the new requirements defined by our customers.

We offer our products to manufacturers and distributors worldwide, in sectors such as: traction, UPS/ SMPS, electromedicine, power converters and generators, surface treatment, induction heating, welding, lighting, battery chargers, renewable energy and all applications requiring electrical power control. 

We aim to continue providing our customers with innovative solutions, helping them to improve their competitive position in the market by offering products with high added value.
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2026-02-18
Poweralia - Your online store for power electronics
Insulators
Poweralia. Your online power store
2026-05-20
SC SERIES
SC SERIES
SCR AC Power switches for resistance welding
2025-05-13
MF Series
MF Series
Standardized power stacks with isolated modules
2025-05-06
SV SERIES
SV SERIES
Adaptative cooling with PWM fans
2026-04-29
Poweralia
Poweralia
Your online store for power electronics (RESISTORS)
2026-04-15
ISO 9001 recertification successfully completed!
ISO 9001
ISO 9001 recertification successfully completed!
2026-03-31
RG823XM3AL
RG823XM3AL
Designing with XM3 SiC modules? RG823XM3AL cold plate for XM3 SiC power modules.
2026-03-25
MTM Modular
MTM Modular
MTM Modular - IGBT highly modular equipment series
Distribution
Distribution
Manufacturing
Manufacturing
Design
Design