Mounting The Automatic Transfer Switch; Mounting Hole Dimensions - ABB Zenith ZTX Series Operation, Maintenance, And Installation Manual

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Z e n i t h Z T X S e r i e s AT S , O P E R AT I O N , M A I N T E N A N C E , A N D I N S TA L L AT I O N G U I D E
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9.4 Mounting the
automatic transfer switch

9.4.1 Mounting hole dimensions

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Fig. 9.1 Automatic transfer switches, Mounting hole dimensions, refer to Table 9.2 for A1 and A2 values
ZTX series enclosure mounting dimensions
Model ATS Rating (A)
30 - 200
260
ZTX
400
600
800 - 1200
1) 4X enclosures add 0.05 inches to dimension.
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Table 9.2 Zenith ZTX panel mounting dimensions
A2
A1
Type 1, in (mm)
Poles Height (A1)
2 28.0 (711)
3 28.0 (711)
4 28.0 (711)
2 42.0 (1067)
3 42.0 (1067)
4 42.0 (1067)
2 42.0 (1067)
3 42.0 (1067)
4 46.0 (1168)
2 46.0 (1168)
3 46.0 (1168)
4 46.0 (1168)
3 66.0 (1676)
4 66.0 (1676)
Type 3R/4/4X/12, in (mm)
Width (A2) Height (A1)
20.0 (508) 33.3 (845)
20.0 (508) 33.3 (845)
20.0 (508) 33.3 (845)
20.0 (508) 47.25 (1200)
20.0 (508) 47.25 (1200)
20.0 (508) 47.25 (1200)
20.0 (508) 47.25 (1200)
20.0 (508) 47.25 (1200)
24.0 (610) 51.25 (1302)
24.0 (610) 51.25 (1302)
24.0 (610) 51.25 (1302)
24.0 (610) 51.25 (1302)
35.0 (889) 71.3 (1810)
35.0 (889) 71.3 (1810)
Width (A2)
18.0 (457)
18.0 (457)
18.0 (457)
18.0 (457)
1
1 18.0 (457)
18.0 (457)
1
1 18.0 (457)
18.0 (457)
22.0 (559)
22.0 (559)
22.0 (559)
1
1 22.0 (559)
34.0 (864)
1
1 34.0 (864)