Schlemmer cable cleat guide
Your Cable Cleat Guide October CIntroduction to cable cleats Cable Cleat Guide October CContents What is a cleat Variations of cleats available Manufacturers worldwide De ?nitions and terminology of cleats Typical installation methods Typical forces acting on cleats Typical applications for cleats Factors e ?ecting the choice of cleats Schlemmer range of cable cleats Cable Cleat Guide October CWhat is a cleat Fixing device to secure cables in formation or To attach and secure cables within installations Cable Cleat Guide October CVariations of cleats available There are many di ?erent types and styles manufactured from many di ?erent materials available Cable Cleat Guide October CManufacturers worldwide CMP Products Cooper B Line Ellis Patents Oglaend Dutchclamp Cable Cleat Guide Aeron Power Electric DSSB Prysmian Intertech October CInternational standards of cleats Cable Cleat Guide BS EN IEC October CDe ?nitions and terminology of cleats Cable formation SINGLE TWIN TREFOIL Cable Cleat Guide QUAD MULTIPLE or more October CDe ?nitions and terminology of cleats System fault current ?? maximum potential current that could ow during fault conditions RMS fault current ?? root means square value of current typical the e ?ective current level Peak fault current ?? the peak current level reached during fault conditions which can be from to times rms current Crest or Peak factor ?? system factor used to calculate maximum expected peak fault current usually between and Cable Cleat Guide October CDe ?nitions and terminology of cleats Cleat spacing ?? distance between cleat centres Straps ?? are cleats which are not secured to the installation infrastructure Cleat spacing Cleat spacing Cable Cleat Guide October CDe ?nitions and terminology of cleats Cleat spacing many factors govern the maximum distance between cleat centres for safe correct installation ? Cable manufacturer ? s installation recommendations ? System fault current ? Cable diameter ? Cable formation ? Cleat type ? Installation axis ?? vertical horizontal ? Supported by tray ladder or basket The correct way is to calculate the maximum distance based on the Force that each cleat can withstand using the formula Cable Cleat Guide October CInstallation method Installed and ?xed to infrastructure by ?xing bolt s in base plate Cable Cleat Guide October CTypical installations Installed on cable ladder or unistrut channel frame either vertically or horizontally Cable Cleat Guide October CTypical installations Installed on cable tray either vertically or horizontally Cable Cleat Guide October CTypical forces acting on cleats Forces which act on cleats under fault conditions Trefoil formation experiences the highest amount of force during fault conditions Cable Cleat Guide Cable centres As force is proportional to the distance between cable centres that the greater or larger forces are generated or seen when the cable centres are closer together October CIncorrect cleating MOVIE Cable Cleat Guide amps kA peak October CIncorrect cleating MOVIE Cable Cleat Guide October CEstremo Cleats test MOVIE Cable Cleat Guide amps kA peak October CTypical applications for cleats Rail - overland underground infrastructures Oil Gas and Petrochem industries Cable Cleat Guide Electricity distribution networks Windfarms
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- Publié le Jul 24, 2021
- Catégorie Creative Arts / Ar...
- Langue French
- Taille du fichier 32.4kB