Description Page
Introduction .............................2
Receiving, handling, and storage ............4
Installation .............................. 5
Operation .............................. 16
Maintenance ........................... 17
Duplex switchgear configuration ............ 23
Motor operation .........................23
Electromechanical stored energy release
(shunt trip) ..........................25
MVS switchgear bolt tightness for
bus connections and connections to
switch terminal pads .................. 28
Common renewal parts ................... 28
Effective May 2011
Supersedes April 2006
Instructional Booklet IB02102006E
Type MVS (previously WLI)
metal-enclosed switchgear—
4.76 kV, 15.0 kV, 27.0 kV, and 38.0 kV
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