This architectural drawing is DC UPS single line electrical diagram in detail AutoCAD 2D drawing, CAD file, dwg file. An Uninterruptible Power Supply (UPS) is a piece of electrical equipment that can be used as an immediate power source to the connected load when the main input power source fails. The energy in a UPS is typically stored in flywheels, batteries, or supercapacitors. For more details and information download the drawing file. Thank you for visiting our website cadbull.com.