Table 3 input junction box dimensions, Table 3, Input junction box dimensions – Emerson Liebert Static Transfer Switch User Manual
Page 19: Table 4, Input junction box terminal wire size range

Power and Control Wiring
11
For preparation purposes, the following tables provide the dimensions and wire sizes for the input
junction boxes.
Table 3
Input junction box dimensions
Switch Rating
Length
Inches (mm)
Width
Inches (mm)
Height
Inches (mm)
100 amp
16 (406)
14 (356)
6 (152)
250 to 600 amp
30 (762)
16 (406)
6 (152)
Table 4
Input junction box terminal wire size range
Switch Rating
Power and Ground Lug Wire Range
100 amp
#6 to #2/0 AWG
250 to 600 amp
(2) #6 AWG to (2) 500 kcmil