Item # IEC-P-A-EXP-800-TPDNHE, Expansion Unit On Vertiv Engineering

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Expansion 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.

Unit of Measure

Specifications
Technical Data
Dimensions

Type	N/A Expansion Unit
Construction Type	N/A Single
Application	N/A Indoor
Material	N/A Painted Aluminium
Series	N/A HPB Series
Mounting Type	N/A Edge Installation
Configuration	N/A TPDNHE
Industry Standards	N/A IEC
Certification Marks	N/A IEC61439-1 and IEC61439-6
Conductor Material	N/A Aluminium
Ambient Temperature [Max]	N/A 55 ºC
Ambient Temperature [Min]	N/A -5 ºC
Number of Poles	N/A 5.5
Busbar Rating	N/A 800 A
Frequency	N/A 50/60 Hz
Degree of Protection	N/A IP55 (up to IP67 upon request)
Conductor	N/A 70

Rated Operational Voltage	N/A 1000 V
Rated Insulation Voltage	N/A 1000 V
Short Circuit Rating [1 sec]	N/A 25 kA rms
Short Circuit Peak Value	N/A 55 kA
Phase Conductor - Cross Sectional Area	N/A 328 mm²
Neutral Conductor - Cross Sectional Area	N/A 328 mm²
Isolated Earth Conductor - 100% Earth Cross Sectional Area	N/A 328 mm²
Isolated Earth Conductor - 50% Earth Cross Sectional Area	N/A 210 mm²
Resistance at 20°C	N/A 0.0753 mΩ/m
Resistance at 80°C	N/A 0.0946 mΩ/m
Reactance at 50Hz	N/A 0.0157 mΩ/m
Impedance at 80°C	N/A 0.077 mΩ/m

Total Length	N/A 129 mm
Busbar Width	N/A 145 mm
Busbar Height	N/A 130 mm
Height	N/A 172 mm
Width	N/A 227.50 mm

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Type

Construction Type

Application

Material

Series

Mounting Type

Configuration

Industry Standards

Certification Marks

Conductor Material

Ambient Temperature [Max]

Ambient Temperature [Min]

Number of Poles

Busbar Rating

Frequency

Degree of Protection

Conductor

Rated Operational Voltage

Rated Insulation Voltage

Short Circuit Rating [1 sec]

Short Circuit Peak Value

Phase Conductor - Cross Sectional Area

Neutral Conductor - Cross Sectional Area

Isolated Earth Conductor - 100% Earth Cross Sectional Area

Isolated Earth Conductor - 50% Earth Cross Sectional Area

Resistance at 20°C

Resistance at 80°C

Reactance at 50Hz

Impedance at 80°C

Total Length

Busbar Width

Busbar Height

Height

Width

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