Building Installation

For clean solutions. For fast installation. For buildings that are already thinking ahead.

Building installation backed by practical experience

Building installation requires solutions that work reliably in everyday use and can be installed cleanly, safely, and efficiently. Whether in residential construction, commercial properties, or industrial buildings, Spelsberg develops products for technical building equipment that support installers, switchgear builders, and specialist planners in implementing standards-compliant, practical solutions.

Partner for installers

Spelsberg junction boxes, small distribution boards and other enclosure solutions are consistently designed around real applications. The goal: products that make work on the construction site easier, can be used flexibly, and work reliably over the long term—from conventional electrical installation to modern building technology.

More than 100 years of experience

For more than 100 years, Spelsberg has stood for boxes, distributors and enclosures in branded quality. This experience continues to flow into products that combine robust quality, easy handling and practical details.

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100+ years of experience
Quality and practical expertise spanning generations.

Made for installers
Solutions that make work on the construction site easier.

Broad solution portfolio
From junction boxes to wallboxes - everything for modern building installation.

Made for tomorrow
Solutions that last and can be developed and adapted for the future.

Product solutions

Junction boxes

Spelsberg junction boxes enable fast, safe and flexible installation. The Red Range is the proven solution for conventional damp-room installation up to IP55 and makes installation easier with well-designed details as well as various sizes, colors and terminal variants. The Abox series is suitable for indoor and protected outdoor areas and depending on the version, is available with plug-in, screw or screwless terminals. For particularly demanding applications, the robust Abox Pro offers additional protection, including high protection ratings as well as UV and weather resistance.

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AK small distribution boards

Spelsberg AK small distribution boards enable safe, organized and flexible electrical distribution. With up to 14 Modules per row, the AK Air series provides sufficient space for larger installations and thanks to its robust design, is also suitable for demanding environments. AK Air Plus versions provide additional wiring and terminal compartment, while the flange versions can be flexibly adapted and combined into customized distribution solutions. For simple installations and limited space, the AK Compact small distribution boards from 3 to 36 Modules offer a space-saving solution for indoor use and depending on the version, also for protected outdoor areas.

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Wallbox

With Spelsberg wallboxes, you can charge your electric car safely, conveniently and according to your needs. The Spelsberg Wallbox Smart Pro is designed for fast and simple charging at home and offers additional features such as app control and analysis, an integrated MID meter, PV charging and dynamic load management. Its clear, modern design blends harmoniously into various building concepts and is available in Polar and Graphite.

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GTi switchgear systems

With Spelsberg GTi-ISO switchgear systems, you can rely on safe and modular solutions for centralized and decentralized power distribution. The modular design with open enclosure sides and a tool-free plug-in system enables fast installation and facilitates subsequent modifications or extensions. Different enclosure sizes and versions can be combined as required to create customized switchgear systems and distributors. If desired, Spelsberg will support your project from planning and engineering through selecting the right components to the completed and tested solution.

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Electrical functional integrity

With Spelsberg's fire protection solutions, you can rely on products that ensure electrical functional integrity in the event of fire. WKE cable branching and connection boxes provide electrical functional integrity from E30 to E90 and are designed for safety-relevant electrical systems in buildings and tunnels, such as emergency lighting, fire alarm systems or smoke extraction systems. Made from high-quality, heat- and fire-resistant materials, they ensure reliable operation for a period of 30 to 90 minutes. The solutions are tested according to DIN 4102-12 and also have VDE test certificates and general building-authority approvals.

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Concrete installation solutions

With Spelsberg's concrete solutions, you can implement electrical installations in in-situ concrete and prefabricated construction safely, efficiently and practically. The robust IBT systems include switch and appliance boxes, installation boxes, luminaire installation housings and wall and ceiling transitions, which are attached to the formwork before concreting and then securely cast in. Their high stability prevents concrete ingress and ensures safe installation even under demanding conditions. For integrating luminaires, loudspeakers and KNX, smart home and IoT components into concrete ceilings, the IBT series offers flexible, installation-friendly solutions.

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