Cases & enclosures
optimal positioning, or it could even cover special coatings for the exterior of the enclosure. In the real world, timescales for customisation are also crucial, so it is advantageous to work with a manufacturer that provides design and prototyping in-house with facilities such as CNC machining. Not only does this ensure much faster completion, but it also retains accountability compared to involving third parties.
condensation protection, can be quick to achieve. However, except for repeat requests or experienced specifiers, discussing complete needs with an enclosure engineer prior to selection is the more likely way to secure a long- term, reliable outcome. Reviewing enclosure design with an engineer will also be essential if a bespoke design is necessary. Project-specific design could involve aspects such as tailoring the location of cable entry and exit points to allow
BUILD QUALITY
Material selection is also key to manufacturing a finished product that achieves long term safety and reliability. For most purposes except for the largest applications, reinforced plastics are usually preferred. This eliminates the potential of corrosion, and light weight makes installation and maintenance significantly easier. However, when these materials are used, it is essential to ensure durability with a choice like polycarbonate. Spelsberg has made significant
QUALITY IN ELECTRICAL INSTALLATION Even bespoke manufactured enclosures should also achieve industry-recognised conformance to certify quality. This is crucial because following confirmation of a prototype, repeatability in its production is essential. Imprecision can impact long-term durability, such as seal quality that might only become apparent when moisture ingress leads to downtime. The ability to manufacture to a close tolerance is also important to ensure the ease of assembly of components and terminals, as well as the enclosure’s final installation.
The quality of installation is also vital to ensure long-term reliability. In combination with the work of professional and thorough electrical installers, an enclosure that facilitates a straightforward installation is significantly more likely to provide an effective housing long term. With features such as cable glands and terminals with push-fit connections, plus a range of flexible and secure mounting options, this simplifies the process and minimises the potential for incorrect installation. Spelsberg works closely with installers and maintenance teams to understand exactly how enclosures are used in the real world – and how to design and manufacture enclosures accordingly. A comprehensive focus on design and build, from initial concept through to use in the field, creates a durable enclosure system. Ultimately, this is what is required to protect electrical junctions and components long term.
Spelsberg Instrumentation Monthly October 2024
www.spelsberg.co.uk 45
investment to achieve the optimum material blend, with 95 per cent of its raw materials developed to an in-house recipe.
An important mark of build quality and safety is confirmed through certification such as the iQ mark for industrial quality, as well as UL conformance. While Spelsberg UK achieves design and custom prototyping in-house, all large-scale manufacturing takes place in Germany. These enclosures achieve the German VDE mark according to safety and quality.
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