4
Instructional Leaflet
IL019116EN
Effective July 2016
Installation guidelines for users of Magnum DS
Low-Voltage Front-Access Switchgear Assemblies
for seismic applications
EATON
www.eaton.com
2.00
(50.8)
Elevation view
Wall steel
99.00
(2514.6)
Wallmount brace
a
b
c
Figure 3. Welding of indoor structures to imbedded wall steel—front-access Magnum switchgear
a
0.19 inches (4.8 mm) weld, 4.00 inches (101.6 mm) long at two places on top of each section starting 0.50 inches (12.7 mm) from each edge of structure.
See
Figure 1
for front-access front compartment bottom pan weld instructions.
b
For nuclear installations, weld per AWS D1.1, alternatively, welding procedures and personnel qualifications may be performed IAW ASME BPVC Section IX
and the inspections be performed IAW AWS D1.1, and/or D1.3 and/or D9.1.
c
A distance of 2.00 inches (50.8 mm), between the wall and the rear of the switchgear, is required to properly secure Front-Access Switchgear when using the rear wallmount brace.
