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LoginExpansion units are used to accommodate the expansion and contraction of a busbar system as well as allow for building movement. They allow for a 40mm movement along the length of the busbar.
Expansion units are recommended when a straight busbar run exceeds 60m. They are installed in the centre of long busbar runs, or at the beginning of riser runs to minimise the stress on the lower section of the busbar run.
Type |
N/A Expansion Unit |
Construction Type |
N/A Single |
Application |
N/A Indoor |
Material |
N/A Painted Aluminium |
Series |
N/A HPB –GULF – IEC |
Mounting Type |
N/A Edge Installation |
Configuration |
N/A TPDNE |
Industry Standards |
N/A IEC |
Certification Marks |
N/A UAE |
Conductor Material |
N/A Aluminium |
Ambient Temperature [Max] |
N/A 55 ºC131 ºF |
Ambient Temperature [Min] |
N/A -5 ºC-22 ºF |
Number of Poles |
N/A 6 |
Busbar Rating |
N/A 1250 A |
Frequency |
N/A 50/60 Hz |
Conductor |
N/A 110 |
Rated Operational Voltage |
N/A 1000 V |
Rated Insulation Voltage |
N/A 1000 V |
Short Circuit Rating [1 sec] |
N/A 65 kA rms |
Short Circuit Peak Value |
N/A 143 kA |
Phase Conductor - Cross Sectional Area |
N/A 660 mm² |
Neutral Conductor - Cross Sectional Area |
N/A 660 mm² |
Isolated Earth Conductor - 100% Earth Cross Sectional Area |
N/A 660 mm² |
Isolated Earth Conductor - 50% Earth Cross Sectional Area |
N/A 330 mm² |
Resistance at 20°C |
N/A 0.0504 mΩ/m |
Resistance at 80°C |
N/A 0.0633 mΩ/m |
Reactance at 50Hz |
N/A 0.0111 mΩ/m |
Impedance at 80°C |
N/A 0.0515 mΩ/m |
Busbar Width |
N/A 1029 mm |
Busbar Height |
N/A 168 mm |
Height |
N/A 210 mm |
Width |
N/A 227.50 mm |
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