13
Instructional Booklet IB02102006E
Effective May 2011
Type MVS (previously WLI)
metal-enclosed switchgear—
4.76 kV, 15.0 kV, 27.0 kV, and 38.0 kV
EATON CORPORATION www.eaton.com
Typical floor plans
Figure 17 and Figure 18 show floor plans for installing MVS switch-
gear in typical and seismic applications.
Figure 17. Floor Plan of a Typical Non-Seismic MVS 4.76 kV or
15 kV Switchgear Vertical Section
Width
2
Locations for tie-down clips, provisions
for 0.50 inch (13 mm) anchor bolts.
Door swing equals unit width at 90º degrees.
Minimum clearance on side. Local jurisdictions
may require a larger clearance.
Minimum clearance in front is the width of
the widest vertical section plus 1.00 inch (25.4 mm).
Local jurisdictions may require a larger distance.
Minimum clearance in rear, local jurisdictions
may require a larger distance.
The foundation’s surface shall be level within
± 0.0125 inch in 36.00 inches (0.318 mm in 914.4 mm)
Left to right, front to rear, and diagonally,
as measured by a laser level at any point
beneath the switchgear assembly.
.44
(11.0)
Type
6.00
(152.0)
Minimum
.86
(22.0)
Type
1.37
(35.0)
Type
1.00
(25.0)
Minimum
Minimum
Front
Door
30.00
(762.0)
Minimum
Figure 18. Floor Plan of a Typical Seismic MVS 4.76 kV or 15 kV
Switchgear Vertical Section
Locations for tie-down clips, provisions
for 0.50 inch (13.0 mm) anchor bolts.
Door swing equals unit width at 90º degrees.
Minimum clearance on side. Local jurisdictions
may require a larger clearance.
Minimum clearance in front is the width of
the widest vertical section plus 1.00 inch (25.4 mm).
Local jurisdictions may require a larger distance.
Minimum clearance in rear, local jurisdictions
may require a larger distance.
The foundation’s surface shall be level within
± 0.0125 inch in 36.00 inches (0.318 mm in 914.4 mm)
Left to right, front to rear, and diagonally,
as measured by a laser level at any point
beneath the switchgear assembly.
.44
(11.0)
Type
6.00
(152.0)
Minimum
.86
(22.0)
Type
1.37
(35.0)
Type
1.00
(25.0)
Minimum
Minimum
Front
Door
30.00
(762.0)
Minimum
4.50
(114.0)
Type
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