Product category:
Floor-Standing Racks, Cabinets and Enclosures
News Release from: Spelsberg els UK | Subject: GTI enclosures
Edited by the Electronicstalk Editorial
Team on 05 July 2000
Air management system size kept down by
enclosures
Spelsberg's modular GTI enclosures have enabled Electrotech to reduce the size and complexity of control panels used in the new air management system commissioned for the Wellcome Foundation
The use of Spelsberg's modular GTI enclosures has enabled environmental control system specialists, Electrotech to dramatically reduce the size and complexity of control panels used in the new air management system commissioned at the Wellcome Foundation buildings in Oxford The new Wellcome Foundation buildings in Oxford are host to part of the world wide scientific race to record every line of the human genetic code
This article was originally published on Electronicstalk on 8 Sep 2000 at 8.00am (UK)
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If production volumes are likely to be high enough, a bespoke enclosure can always be manufactured to suit the application, says Graham Fox, MD of Spelsberg UK.
The site is also home to a technical innovation a little more humble than the human genome project: a change in control panel design which has enabled the segregation of separate control cells within a large cabinet simply by using Spelsberg GTI polycarbonate enclosures.
The advantage of this arrangement is that the isolation requirements of a type 3 panel assembly can be met by what would normally be an open, type 2 layout, offering less protection, but requiring significantly less wiring and installation space.
The six cabinets designed and manufactured by Electrotech, house between ten and eighteen control modules each of which manages the operation of one of the ventilation systems, each system comprising of duty / standby supply and extract fans.
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The project specification required that the component modules be isolated within the control panel, providing circuit protection and physical protection to allow any service and maintenance work to be carried out on each unit or fan without having to shut down the whole panel.
This flexibility was crucial due to the time critical nature of the work, particularly in the laboratories.
The modular design of the GTI enclosures provided this flexibility by allowing the overload protection, switch gear and inverter control equipment to be contained in separate enclosures while being mounted side by side.
The side walls of the GTI enclosure are separate interchangeable elements, simple interference fit GTI connectors secure the side panels and lock the enclosures together.
There are a variety of metric and PG knockouts in the side walls and common cable entry grommets which provide a short, closed couple interconnection for straight forward wiring.
The advantages of direct wiring and the avoidance of using additional individually wired cabinets for each module results in huge savings in overall cost and space requirements.
The rationalised internal layout also means that the external cabinets are a smaller frame size and so less costly.
The GTI enclosures provide sealing protection up to IP65 independently of the external control cabinet.
They allow complete flexibility during assembly and provide easy access when the interior is fully stocked.
A totally transparent single piece lid also gives enough visibility to easily monitor overload or trip indication, while providing instant access to switch gear and plenty of space for neat wiring during installation and maintenance work.
Both the bodies and lids of all GTI enclosures are manufactured from halogen-free glass-fibre reinforced polycarbonate and are available in five different sizes.
Each example contains internal strengthening and support points for the installation of components in a 25mm grid where Busbar holders, mounting plates and DIN rails can all be quickly and securely mounted. Request a free brochure from Spelsberg els UK ...
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