Enclosures aid lightning protection
A
Spelsberg els UK product story
Edited by the Engineeringtalk editorial team
Jul 24, 2008
Transparent doors allow quick checks for control and monitoring purposes, with easy access to switchgear.
Dehn (UK) is using Spelsberg els UK's enclosures to house its new range of lightning surge protectors (DSPs).
The enclosures designed to provide several zones of protection from both direct and indirect external lightning strikes through to more sensitive equipment inside buildings.
Spelsberg AK enclosures combine strong physical protection and electrical isolation with the convenience of easy mounting of components.
Transparent doors allow quick checks for control and monitoring purposes, with easy access to switchgear.
Integral seals provide fast-fit cable entries and the design gives maximum wiring space and an aesthetically pleasing finish to the product.
Dehn UK's Director Erich Reuss said, "Many companies find out the hard way that surge protection is an essential consideration for any commercial enterprise".
"For example - one event, for which insurance rarely exists, can have far reaching commercial consequences".
A direct lightning strike can generate an electrical spike of well over 500,000V and localised temperatures up to 10,000C, with an indirect strike still able to reach above 10,000V.
Dehn's surge protectors are designed with different lightning protection zones (LPZs) in mind, ranging from protecting from the initial surge of a direct lightning strike in LPZ 0, through to limiting surges through the wiring loom of a particular office or department in LPZ 1 and then on to providing protection for sensitive devices such as servers.
The standard for protecting electrical systems from lightning (BSEN 62305-4) specifies that a co-ordinated SPD such as those from Dehn's product range should be used at each LPZ.
To ensure compliance new buildings should be fitted be with these devices, occupiers of older buildings should make sure the equipment is present and up to date.
Dehn needed to find a product that could withstand the hostile environments its SPDs are designed to protect against.
It was also important to find enclosures that had plenty of wiring space while still being easily fitting in the available building space.
Spelsberg's AK boxes met all of these requirements.
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