Item # SEWA-P-EXP-1250-TPHE, 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 copper
Series	N/A HPB – UAE – SEWA
Mounting Type	N/A Edge Installation
Configuration	N/A TPHE
Industry Standards	N/A SEWA
Certification Marks	N/A UAE
Conductor Material	N/A Copper
Ambient Temperature [Max]	N/A 55 ºC131 ºF
Ambient Temperature [Min]	N/A -5 ºC-22 ºF
Number of Poles	N/A 3.5
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
Phase Conductor - Cross Sectional Area	N/A 360 mm²
Neutral Conductor - Cross Sectional Area	N/A 360 mm²
Short Circuit Rating [1 sec]	N/A 65 kA rms
Short Circuit Peak Value	N/A 143 kA
Isolated Earth Conductor - 100% Earth Cross Sectional Area	N/A 360 mm²
Isolated Earth Conductor - 50% Earth Cross Sectional Area	N/A 180 mm²
Housing Earth Path - Cross Sectional Area	N/A 1169 mm²
Resistance at 20°C	N/A 0.046 mΩ/m
Resistance at 80°C	N/A 0.072 mΩ/m
Reactance at 50Hz	N/A 0.040 mΩ/m
Reactance at 60Hz	N/A 0.035 mΩ/m
Impedance at 80°C	N/A 0.080 mΩ/m

Busbar Width	N/A 148 mm
Busbar Height	N/A 168 mm
Height	N/A 210 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

Conductor

Rated Operational Voltage

Rated Insulation Voltage

Phase Conductor - Cross Sectional Area

Neutral Conductor - Cross Sectional Area

Short Circuit Rating [1 sec]

Short Circuit Peak Value

Isolated Earth Conductor - 100% Earth Cross Sectional Area

Isolated Earth Conductor - 50% Earth Cross Sectional Area

Housing Earth Path - Cross Sectional Area

Resistance at 20°C

Resistance at 80°C

Reactance at 50Hz

Reactance at 60Hz

Impedance at 80°C

Busbar Width

Busbar Height

Height

Width

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