Expansion units are used to accommodate the expansion and contraction of a busduct system as well as allow for building movement. They allow for a 1.57” movement along the length of the busduct.

Expansion units are recommended when a straight busduct run exceeds 196ft.

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Item #

Construction Type

Configuration

Busbar Rating

Busbar Height

UL-P-EXP-1000-TP N/A Single N/A TP N/A 1000 A N/A 4.25 in108 mm
UL-P-EXP-1000-TPN N/A Single N/A TPN N/A 1000 A N/A 4.25 in108 mm
UL-P-EXP-1000-TPE N/A Single N/A TPE N/A 1000 A N/A 4.25 in108 mm
UL-P-EXP-1000-TPNE N/A Single N/A TPNE N/A 1000 A N/A 4.25 in108 mm
UL-P-EXP-1000-TPDN N/A Single N/A TPDN N/A 1000 A N/A 4.25 in108 mm
UL-P-EXP-1000-TPDNE N/A Single N/A TPDNE N/A 1000 A N/A 4.25 in108 mm
UL-P-EXP-1000-TPHE N/A Single N/A TPHE N/A 1000 A N/A 4.25 in108 mm
UL-P-EXP-1000-TPNHE N/A Single N/A TPNHE N/A 1000 A N/A 4.25 in108 mm
UL-P-EXP-1000-TPDNHE N/A Single N/A TPDNHE N/A 1000 A N/A 4.25 in108 mm
UL-P-EXP-1200-TP N/A Single N/A TP N/A 1200 A N/A 4.65 in118 mm
UL-P-EXP-1200-TPN N/A Single N/A TPN N/A 1200 A N/A 4.65 in118 mm
UL-P-EXP-1200-TPE N/A Single N/A TPE N/A 1200 A N/A 4.65 in118 mm
UL-P-EXP-1200-TPNE N/A Single N/A TPNE N/A 1200 A N/A 4.65 in118 mm
UL-P-EXP-1200-TPDN N/A Single N/A TPDN N/A 1200 A N/A 4.65 in118 mm
UL-P-EXP-1200-TPDNE N/A Single N/A TPDNE N/A 1200 A N/A 4.65 in118 mm
UL-P-EXP-1200-TPHE N/A Single N/A TPHE N/A 1200 A N/A 4.65 in118 mm
UL-P-EXP-1200-TPNHE N/A Single N/A TPNHE N/A 1200 A N/A 4.65 in118 mm
UL-P-EXP-1200-TPDNHE N/A Single N/A TPDNHE N/A 1200 A N/A 4.65 in118 mm
UL-P-EXP-1350-TP N/A Single N/A TP N/A 1350 A N/A 5.24 in133 mm
UL-P-EXP-1350-TPN N/A Single N/A TPN N/A 1350 A N/A 5.24 in133 mm
UL-P-EXP-1350-TPE N/A Single N/A TPE N/A 1350 A N/A 5.24 in133 mm
UL-P-EXP-1350-TPNE N/A Single N/A TPNE N/A 1350 A N/A 5.24 in133 mm
UL-P-EXP-1350-TPDN N/A Single N/A TPDN N/A 1350 A N/A 5.24 in133 mm
UL-P-EXP-1350-TPDNE N/A Single N/A TPDNE N/A 1350 A N/A 5.24 in133 mm
UL-P-EXP-1350-TPHE N/A Single N/A TPHE N/A 1350 A N/A 5.24 in133 mm
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