This 23 Amp constant base station high efficiency power supply is UL approved. Sec1223 AC-DC power converter provides a highly regulated output DC voltage of 13.8 Volts at 23 Amps with an AC input of 120 Volts, 60 Hz. This advanced switch-mode DC power supply was designed specifically for land mobile radio applications. The power supply produces clean reliable power and is highly filtered to suppress RFI. The unit comes with a detachable power supply cord with NEMA 5-15P plug. Features include over-current, short-circuit and over-voltage protection. The AC-DC power supply conforms to FCC Part 15(B), class B digital device.