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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.
Type |
N/A Expansion Unit |
Construction Type |
N/A Single |
Application |
N/A Indoor |
Material |
N/A Painted copper |
Series |
N/A HPB Series |
Mounting Type |
N/A Edge Installation |
Configuration |
N/A TPNHE |
Industry Standards |
N/A IEC |
Certification Marks |
N/A IEC61439-1 and IEC61439-6 |
Conductor Material |
N/A Copper |
Ambient Temperature [Min] |
N/A -5 ºC |
Ambient Temperature [Max] |
N/A 65 ºC |
Number of Poles |
N/A 4.5 |
Busbar Rating |
N/A 2500 A |
Frequency |
N/A 50/60 Hz |
Degree of Protection |
N/A IP55 (up to IP67 upon request) |
Conductor |
N/A 160 |
Rated Operational Voltage |
N/A 1000 V |
Rated Insulation Voltage |
N/A 1000 V |
Short Circuit Rating [1 sec] |
N/A 80 kA rms |
Short Circuit Peak Value |
N/A 176 kA |
Phase Conductor - Cross Sectional Area |
N/A 952 mm² |
Neutral Conductor - Cross Sectional Area |
N/A 952 mm² |
Isolated Earth Conductor - 100% Earth Cross Sectional Area |
N/A 952 mm² |
Isolated Earth Conductor - 50% Earth Cross Sectional Area |
N/A 478 mm² |
Housing Earth Path - Cross Sectional Area |
N/A 1984 mm² |
Resistance at 20°C |
N/A 0.018 mΩ/m |
Resistance at 80°C |
N/A 0.226 mΩ/m |
Reactance at 50Hz |
N/A 0.008 mΩ/m |
Impedance at 80°C |
N/A 0.024 mΩ/m |
Total Length |
N/A 3000 mm |
Busbar Width |
N/A 145 mm |
Busbar Height |
N/A 220 mm |
Height |
N/A 252 mm |
Width |
N/A 227.50 mm |
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