Eaton MVS Instructional Booklet

Contents

14Instructional Booklet IB02102006EEffective May 2011Type MVS (previously WLImetal-enclosed switchgear4.76 kV, 15.0 kV, 27.0 kV, and 38.0 kVeaton corporation www.eaton.comIndoor installationsIndoor vertical sections may be secured to the foundation using0 50 inch (12 7 mm) anchor bolts The four 0 625 inch (15 88 mm)holes in the base for these bolts are shown on the floor plan includedwith the drawingsFigure 19 shows the floor plan for typical indoor MVS switchgearinstallationsFigure 19. Floor Plan of a Typical Indoor MVS 27 kV or 38 kVVertical Section, Non-Seismic or SeismicLocations for 0.50 inch (13.0 mm) anchor bolts.Door swing equals unit width at 90º degrees.Minimum clearance on side. Local jurisdictionsmay require a larger clearance.Minimum clearance in front is the width ofthe widest vertical section plus 1.00 inch (25.4 mm).Local jurisdictions may require a larger distance.Minimum clearance in rear, local jurisdictionsmay 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 pointbeneath the switchgear assembly.5.81(148.0)Type5.81(148.0)Type6.00(152.0)Minimum1.28(33.0)Type1.00(25.0)MinimumMinimumFrontDoor30.00(762.0)Minimum2.12(54.0)TypeOutdoor installationsOutdoor vertical sections are secured using clips and foundationbolts Lead anchors and lag screws may be used in place of J-boltsif desiredFigure 20 shows the floor plan for typical indoor MVS switchgearinstallationsFigure 20. Floor Plan of a Typical Outdoor MVS 27 kV or 38 kVVertical Section, Non-Seismic or SeismicLocations for customer’s tie-down clips.Door swing equals unit width at 90º degrees.Minimum clearance on side. Local jurisdictionsmay require a larger clearance.Minimum clearance in front is the width ofthe widest vertical section plus 1.00 inch (25.4 mm).Local jurisdictions may require a larger distance.Minimum clearance in rear, local jurisdictionsmay 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 pointbeneath the switchgear assembly..44(11.0)Type2.00(51.0)Type6.00(152.0)Minimum.53(13.0)Type2.31(59.0)Type 1.28(33.0)Type1.00(25.0)Minimum1.26(33.0)TypeMinimumFrontDoor30.00(762.0)Minimum4.50(114.0)Type