Generac Power Systems GTS "W" Owner's Manual page 29

Section 6 — Mounting Dimensions
Generac GTS "W" Type Transfer Switch
100 Amp 3R, 4, and 4X Units (Typical)
24
10
Ø 0.44 TYP.
2 TYP.
0.87
36
0.55
0.44 TYP.
22.24 TYP.
150-400 Amp 3R, 4 and 4X Units (Typical)
30 12
Ø 0.44 TYP.
24
2 TYP.
0.87
48
0.55
0.44 TYP.
28.27
Generac ® Power Systems, Inc. 27