Cut Sheet

27
Technical Data TD01701001E
Effective December 2013
UL low voltage busway
Pow-R-Way III
EATON www.eaton.com
Physical data (continued)
Weatherheads (Figure 29)
Weatherheads are used for service entrance connections to busway.
The side opposite of “T” is removable for access to the lugs.
ote:N All dimensions are to the centerline of the Pow-R-Bridge.
Table 38. Weatherhead Details
Copper Aluminum
Quantity of Mechanical Terminals, Range—One #4 (20 mm
2
)–
600 kcmil (300 mm
2
), Two 1/0 (50 mm
2
)–250 kcmil (120 mm
2
)
a
UL 857
Ampere Rating
Minimum Dimensions
in Inches (mm)
UL 857
Ampere Rating
Minimum Dimensions
in Inches (mm) Copper Aluminum
A A G
c
P
d
N
e
G
c
P
d
N
e
225 16.50 (419.1) 225 16.50 (419.1) 1 2 4 1 2 4
400 16.50 (419.1) 400 16.50 (419.1) 1 2 4 1 2 4
600 16.50 (419.1) 600 16.50 (419.1) 1 2 4 — — —
800 16.50 (419.1) — — 2 3 5 1 2 4
1000 16.50 (419.1) — — 2 3 6 — — —
1200 16.50 (419.1) 800 16.50 (419.1) 2 4 8 2 3 5
1350 16.50 (419.1) 1000 16.50 (419.1) 2 4 8 2 3 6
1600 16.50 (419.1) 1200 16.50 (419.1) 3 5 9 2 4 8
2000 16.50 (419.1) 1350 16.50 (419.1) 3 6 12 2 4 8
— — 1600 16.50 (419.1) — — — 3 5 9
2500 30.00 (762.0) 2000 16.50 (419.1) 4 8 16 3 6 12
3200 30.00 (762.0) — — 5 9 18 — — —
4000 40.00 (1016.0) 2500 30.00 (762.0) 6 12 24 4 8 16
— — 3200 30.00 (762.0) — — — 5 9 18
5000 40.00 (1016.0) 4000 40.00 (1016.0) 7 15 30 6 12 24
a
For compression lugs, factory provides provisions only.
b
200% neutral.
c
Denotes quantity of terminals per ground bus.
d
Denotes quantity of terminals per phase and 100% neutral bus.
e
Denotes quantity of terminals per 200% neutral bus option.
Figure 29. Weatherhead Details
a
17.50 (444.5)
C
L
12.00
(304.8)
15.00
(381.0)
a
Removable
Barrier
of
Busway
Compression and
Mechanical Lugs
24.00
(609.6)
41.00
(1041.4)
of Box
A
C
L
C
L
1.00
(25.4)
(Minimum)