Cut Sheet

6
Technical Data TD01701001E
Effective March 2017
UL low-voltage busway
Pow-R-Way III
EATON www.eaton.com
Pow-R-Way III feeder busway (Figure 10 and Table 3)
•
225 to 5000 A copper
•
225 to 4000 A aluminum
Straight sections of feeder busway can be supplied in any length,
at 1/8 inch (3.2 mm) increments, from a 16.00 inch (406.4 mm)
minimum to a 10 ft (3 m) maximum. Figure 10 illustrates
the configuration of feeder busway and Pow-R-Bridge for the
available ampere ratings. See Table 3 below for reference to
the proper configuration.
Table 3. Feeder busway configuration
UL 857 ampere rating
Figure 10 configurationCu Al
225 225 A
400 400 A
600 600 A
800 — A
1000 — A
1200 800 A
1350 1000 A
1600 1200 A
2000 1350 A
— 1600 B
2500 2000 B
3200 — C
4000 2500 C
— 3200 D
5000 4000 D
Each section will include one, factory-installed Pow-R-Bridge
mounted to the left end of the busway (with the “T” to the top,
when viewing the bus from the “F” side). Each Pow-R-Bridge will
have a “T” label that must always match the “T” orientation of
the busway.
16.00 Minimum
(406.4)
Configuration A Top View
1 Bar Per Phase
Configuration B Top View
1 Bar Per Phase
Configuration C Top View
2 Bars Per Phase
Configuration D Top View
2 Bars Per Phase
T
C
L
C
L
T
T
C
L
C
L
T
T
C
L
C
L
T
T
F
C
L
C
L
F
T
T
F
C
L
C
L
Front View
T
F
F F
F F
F F
Figure 10. Feeder busway