Transformer accessories for safe power grids.
Maximum electrical safety and durability. We develop customised insulators and bushings for the requirements of modern energy systems worldwide.
Key components
Essential components for the energy transition.
PREIS Group is your international partner for highly specialised components in power transmission and distribution. By combining technological expertise, precision manufacturing and continuous development, we create products that ensure maximum operational reliability.
Customers benefit from customised solutions, the highest quality standards and strong system expertise across the entire application.
Added value & quality
Your Benefits at a Glance.
Maximum Operational Reliability
Reliable performance and insulating properties – even under extreme thermal and electrical loads.
Customised Precision
From proven, standards-compliant components to complex, function-integrated geometries for space-critical layouts.
Durability & Efficiency
Excellent resistance to weathering and ageing ensures minimal maintenance requirements in grid operation.
Technologies & Materials
Proven technology and modern design flexibility.
Porcelain Bushings
Proven technology for high voltage. PREIS offers a wide range of bushings from 1 kV to 52 kV. Our components are mechanically robust, weather-resistant and comply with many global standards.
Cast Resin Insulators
GIPRO is a technology-driven specialist in insulators that leverages in-depth material expertise in epoxy and silicone solutions to develop customized, efficient, and manufacturable products.
Special Applications
PREIS develops custom solutions, from the initial concept through design in our in-house engineering department all the way to a production-ready product, all under one roof.
ESG & Material Efficiency
Durability for green grids.
- Resource conservation through resistance to ageingThe exceptional weathering and thermal resistance of our porcelain and cast resin components extends the life cycles of switchgear systems and reduces material wear to a minimum over decades.
- Pioneer in the Circular EconomyWith the GIPRO “RePlug” initiative, we are solving a long-standing industry challenge: we take back cured epoxy resin insulators, process the material and return it directly to new production as a high-quality raw material.
- Certified Environmental StandardsThe development and manufacture of our electrical components follow the strict requirements of ISO 14001 in order to continuously minimise the ecological footprint of our insulation technology.
Downloads & Service
Discover our specifications in detail.
Download the latest catalogues for transformer accessories here.
