QUICK START GUIDEPage 1© 2023 ABB. All rights reserved. SPS -48V Shelf_QSG Rev. 2.0SPS -48V Slimline Power ShelfModels: J2007003L005 - alpha suffixes per Slimline Power SystemBrochureNo vertical spacing is required, allow a minimum 2”, inch clearance at back of shelf for rectifier airflow.Tools required:Wire cutters and strippers Torque wrench - 0-65 in-lb (0-10 Nm) Screwdrivers - Philips #1 and #2,Flat smallCable crimpers Sockets - 5/16”, 7/16, etc.Step 1 - Mount Shelf1. Reposition mounting ears as required - 3 screws each. (Reverse ears for 5” setback.) Torque to 10 in-lb.(1.2 Nm) - Phillips screwdriver.2. Attach shelf to the frame using a minimum of four screws (two on each side) - 12-24 (provided). Torque to 35in-lb. (4 Nm) - 5/16” socket.Step 2 - Connect Chassis Ground and DC Reference (CO) GroundLug Landings: #10 double-hole on 5/8-inch center (lugs not provided)Some applications may rely on frame mounting screws for chassis ground, omitting the chassis ground wire.Some applications may use the Chassis Ground strap, using a single wire for both chassis ground and DCreference ground.Minimum 10 AWG wire is recommended.Torque 10-32 screws to 30 in-lb. (3.4 Nm) - 5/16” socket.