Busbar trunking cuts cable connection costs
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Schneider Electric product story
Edited by the Engineeringtalk editorial team
Oct 21, 2003
Telemecanique developed its Canalis KBA lighting distribution busbar trunking to produce a product with lower capital and installation costs.
Telemecanique developed its Canalis KBA lighting distribution busbar trunking to produce a product with lower capital and installation costs.
The capital cost savings over the previous model are significant.
For example, a saving of some 34% results from buying sufficient busbar for three 40m lighting runs with 14 sets of twin fluorescent lamps per run.
Cable takes six times longer to install than busbar trunking and the Canalis KBA features an improved fixing method.
This has been achieved by combining the strength of high tensile steel wire rope with a self-locking grip fastener.
A steel wire is looped around the building structure, passed through the Canalis bracket and then fed through the self-locking grip fastener.
The assembly needs no nuts, washers, rod or fixing brackets resulting in a saving of some five components per fixing point.
This reduces fitting time by a third giving further cost savings.
In common with earlier models the Canalis KBA uses copper conductors fitted with silver anti-friction tips in the sliding joints to provide secure, positive contacts.
The busbar retains the sliding elastic connection joints to absorb any expansion of the conductors.
Canalis KBA sections are simply pushed together and locked by tightening a single screw to complete mechanical and electrical connections.
Power tap-off units are clicked into place wherever they are needed and the luminaries are hooked onto the installed busbar trunking and plugged in.
The click together connection system enables quick and easy changes and upgrades.
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