Flameproof junction boxes allow a safety margin
A
Spelsberg els UK product story
Edited by the Engineeringtalk editorial team
Apr 5, 2002
Spelsberg UK has a new series of fireproof junction boxes for critical electrical circuits where 30 to 90min of fire protection are required.
Spelsberg UK has a new series of fireproof junction boxes for critical electrical circuits where 30 to 90min of fire protection are required.
Designed for fast practical installation, the three sizes of enclosure are supplied complete with IP54 flame resistant cable entry accessories and high temperature ceramic terminals.
According to national fire safety regulations, all wiring for critical safety systems such as building fire alarms and emergency lighting must operate for at least 30min when exposed to external fire.
Other systems such as water pressurising plants for the supply of extinguishing water, ventilators and lifts have to remain functioning for a minimum of 90min.
In both cases, Spelsberg's WKE range of flame resistant junction boxes provide guaranteed protection to DIN, VDE and UL standards.
The WKE range is manufactured from orange (RAL 2004) halogen free Duroplast, which offers lower smoke emissions and an ingress protection IP54 to EN60529.
The units are available in three sizes that range from 100 x 100 x 50 to 165 x 165 x 76mm and come complete with IP54 cable entry accessories.
Each junction box is rated at 250VU and features an integral five-pole, high temperature ceramic terminal, suitable for conductors from 0.5mm2 up to two 6mm2 or four 1.5mm2 conductors per pole.
Perfect for fitting and refurbishing industrial units, the WKE box enables emergency services including sprinkler systems, exit lights and general lighting to remain functional.
By allowing power supplies to be maintained for a minimum of 90min, operations that involve hazardous substances can also be shut down or neutralised and more time guaranteed for automatic computer backup procedures to be completed.
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