Bogen Prs40c Ac Adapter – For Intercom – 8w – 300ma – 12v Dc (prs40c) The PRS48 is UL Listed. Models PRS624DA and PRSASAC feature the capability of providing 24VDC @ 35 milliamperes Loop Current to the TIP and RING lines of a loop-start trunk or keysystem CO line. Manufacturer Part Number PRS40C. byJuly 3, 2026