Cut Sheet

24
Technical Data TD01701001E
Effective March 2017
UL low-voltage busway
Pow-R-Way III
EATON www.eaton.com
Physical data (continued)
Crosses (Figure 26)
A cross is a busway fitting suitable for connection in four directions.
It is applied when a bus run must branch off in three directions, all in
the same plane.
Table 33. Forward and rearward crosses
UL 857 ampere rating Minimum leg dimensions in inches (mm)
Cu Al X Y
225 225 13.00 (330.2) 13.00 (330.2)
400 400 13.00 (330.2) 13.00 (330.2)
600 600 13.00 (330.2) 13.00 (330.2)
800 — 13.00 (330.2) 13.00 (330.2)
1000 — 13.00 (330.2) 13.00 (330.2)
1200 800 13.50 (342.9) 13.50 (342.9)
1350 1000 13.50 (342.9) 13.50 (342.9)
1600 1200 14.00 (355.6) 14.00 (355.6)
2000 1350 14.50 (368.3) 14.50 (368.3)
— 1600 15.00 (381.0) 15.00 (381.0)
2500 2000 16.00 (406.4) 16.00 (406.4)
3200 — 23.00 (584.2) 23.00 (584.2)
4000 2500 24.00 (609.6) 24.00 (609.6)
— 3200 25.00 (635.0) 25.00 (635.0)
5000 4000 26.00 (660.4) 26.00 (660.4)
ote:N All dimensions are to the centerline of the Pow-R-Bridge.
For 5000 A Cu and 4000 A Al, these are fixed leg length dimensions.
Table 34. Upward and downward crosses
UL 857 ampere rating Minimum leg dimensions in inches (mm)
Cu Al X Y
225 225 21.25 (539.8) 25.50 (647.7)
400 400 21.25 (539.8) 25.50 (647.7)
600 600 21.25 (539.8) 25.50 (647.7)
800 — 21.25 (539.8) 25.50 (647.7)
1000 — 21.88 (555.8) 25.50 (647.7)
1200 800 22.38 (568.5) 25.50 (647.7)
1350 1000 22.88 (581.2) 25.50 (647.7)
1600 1200 23.88 (606.6) 25.50 (647.7)
2000 1350 25.12 (638.1) 25.50 (647.7)
— 1600 25.88 (657.4) 25.50 (647.7)
2500 2000 27.62 (701.6) 25.50 (647.7)
3200 — 23.88 (606.6) 25.50 (647.7)
4000 2500 25.12 (638.1) 25.50 (647.7)
— 3200 25.88 (637.4) 25.50 (647.7)
5000 4000 27.62 (701.6) 25.50 (647.7)
Forward – Rearward
Upward – Downward
Figure 26. Crosses