Type WL Low Voltage Metal-Enclosed Switchgear
Installation
Figure 9. Typical Indoor Floor Plan
11
1.25
(32)
typ.
1.50
(38)
.86
(22)
.86
(22)
4.42 (112)
.75
(19) typ.
.75 (19) typ.
5.86
(149)
7.88
(200)
Maximum available
space in top or bottom
of unit for customer's
power cables
Transformer
Throat
Liquid filled
transformers only
(4) Holes for
.48 (12mm)
anchor bolts
C
L
B
End Trim Panel (typ.)
End of lineup only
A
14.9
(378)
D
Space for
secondary
leads from
above
Space for
secondary
leads from
below
5.00
(127)
2.12
(54)
3.00 (76)
2.00 (51)
7.00
(179)
2.37 (60)
1.00 (25)
4.10 (104)
W
W = 22 (559) or 32 (813)
2.00 (51)
1.00 (25)
4.40 (112)
C
4.00
(102)
Indoor Floor Plan
Equipment Depth Direction of Cables
60” Non-Fused with
(N, S, H or L Class Breakers)
Below 21.50 (546)
13.88 (353) 32.59 (828)
OR
65” Fused with (F Class Breakers)
Above 21.25 (540)
18.88 (480) 37.59 (955)
70” Non-fused with
(N, S, H or L-Class Breakers)
Below 31.50 (800)
13.88 (353) 32.59 (828)
OR
75” Fused with (F-Class Breakers)
Above 31.25 (794)
18.88 (480) 37.59 (955)
80” Non-fused with
Below 41.50 (1054)
13.88 (353) 32.59 (828)
(N, S, H or L-Class Breakers)
Above 41.25 (1048)
80” Fused with Below 36.50 (927)
18.88 (480) 37.59 (955)
(F-Class Breakers)
Above 36.25 (921)
A
BCD
Note: Dimensions shown in inches and (mm).
Space required for upper neutral with cables above or lower neutral with cables below.
Reduce by 7.88” if upper neutral is present with cables above or if a lower neutral is present with cables below.
Reduce by 4.00” if an 800-3200A breaker is located in the bottom compartment.
Reductions per notes 2 & 3 are additive. Example: cables below + lower neutral + 2000A breaker in bottom compartment = B-11.88.
4.10 (104) if W=22; 4.60 (117) if W=32.
Courtesy of NationalSwitchgear.com
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