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577Dimensions in millimeters (inch) unless otherwise stated www.southco.com/P7P7 ATCA® Inject / Eject MechanismFaceplate panel preparation (with PCB mounting tab fabrication)3.2 (.126) 4.1(.161 )+0-0.1See captive screwpanel preparationØ 3.5(.135 )Guide pin+ 0.08 - 0 +.003 0 4.1 (.161 )+0 - 0.1+0-0.004Ø 4.19(.165 )PCB standoff+0 - 0.13+0-0.005+0-0.004Frame railFaceplatePCB mountingcenterline2.18(.086)6.1(.24)6.82(.269)G7.02±0.1(.276±.004)12.575 ±0.13(.495±.005)20.17±0.25(.794±.01)TFAChamfer edgeCEØ 4.2(.17)PCB or faceplatemountinglocation formicroswitch*Panel thickness*0.9 (.036) MinØ D Do not chamfer edgeSmooth face punch(diameter greaterthan knob diameter)Ø ZBack-uptool(not supplied)Press-InØ D90˚±2˚B±0.1(.005)A Min. to A Max. (see page 575)Smoothback-upsurfaceToolPanel102(4.0)11.9(.47)Flare-InInstallation NotesSelect ejector, guide pin and mounting screw part number.Select captive screw best suited to your application.NotesFaceplates generally require two ejectors, two captive screws, two mounting screws and two guide pins.*Microswitch lever style operation ITT MD002 or plunger style operation ITT SD002See page 575 for ejector selectionInstallation NotesSee page 575 for B, Ø D and Ø Zdimensions.Press-in:1. Prepare panel as shown, do not chamfer edge. 2. Place standoff into installation hole.3. Provide solid back-up behind hole with clearance hole for screw.4. Press part into panel. Punch must not touch plastic knob during installation.Recommended minimum distance from the panel edge to the centerline of the installation hole is 1.5 x Ø D. * For panels thinner than 0.9 (.036) contact Southco. Flare-in1. Prepare panel as shown. 2. Use light pressure to flarestandoff, assuring parallelsurfaces on the punch and installation tool. Installation force depends on screw size. 3. Punch cannot touch plastic during installation.ATCA is a registered trademark of PICMG® - PCI Industrial Computer Manufacturers Group, Inc.Switch Styles Part Number A F C G E TLeverP7-A-513-11 22 (.866) 7.5 (.296)4 (.16) 25.4 (1.0) 5.2 (.2)0.8 - 1.5 (.031 - .059)P7-A-523-11 21.7 (.85) 7.8 (.31) 2 - 2.5 (.078 - .098)PlungerP7-A-533-1120.2 (.795) 9 (.354) 3 (.12) 20.4 (.8) 1.9 (.07)0.8 - 1.5 (.031 - .059)P7-A-543-11 2 - 2.5 (.078 - .098)Captive Screw Panel Preparation and Installation (see page 575 for selection of captive screws)Flare-In Tool Part Number (M3 Thread Size)47-104