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SafetyUpdated 18 Sept 2026

How can you future-proof an electrical installation without oversizing the distribution box?

Short answer

To future-proof an electrical installation without specifying an oversized distribution box, use modular, interconnecting enclosures. Our GTi series of distribution boxes has open sides, so several GTi enclosures can be assembled together and the installation can grow later without affecting the IP65 rating or needing side walls knocked out manually. That means you can specify an enclosure at the exact size your current needs demand, optimising space utilisation, and still accommodate expansions or other modifications to the switchgear later on.

Flexibility is key to future-proofing electrical systems. Only in this way is it possible to address changing needs in switchgear construction while optimising equipment footprint, and the most effective way to create easily scalable electrical installations is to use modular, interconnecting enclosures. You can read more about switchgear construction at https://www.spelsberg.com/solutions/switchgear-construction/switchgear-construction-overview/

To support forward-looking customers and accommodate expansions or other modifications in switchgear equipment, we developed the GTi series of distribution boxes. These have open sides that allow multiple GTi enclosures to be assembled together. As a result, the installation can grow without affecting the IP65 rating and without having to knock out side walls manually. You can see the full GTi range at https://www.spelsberg.com/gti-iso-switchgears/empty-housing/

Customers can specify their enclosures at the exact size needed to meet their current requirements, optimising space utilisation without having to worry about future modifications. If it does become necessary to alter the electrical system, the enclosures are extremely easy to assemble and adapt, so the GTi range can accommodate both long-term and short-term changes.

The GTi systems are made of robust glass-fibre reinforced polycarbonate in order to withstand corrosion, UV and adverse weather conditions as well as external mechanical impacts. In this way, customers benefit from an extended service life.

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