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Instruction Booklet
IB48088
Effective July 2021
Instructions for Eaton’s 7.2 kV Ampgard AR
(arc resistant motor control center)
(Compliant to IEEE C37.20.7-2017)
EATON
www.eaton.com
Figure 32. Additional minimum requirements for the arc gas vent area.
Table 7. Duct end assembly requirements.
Dimension
Duct end assembly
Unvented - in. (mm)
Vented - in. (mm)
A
24 (609.6)
44 (1117.6)
B
144 (3657.6)
164 (4165.6)
Top view
Side view