MIL-PRF-49080 Power Supplies, Pp-2953\(\)/U And Pp-6224\(\)/UThis specification establishes the performance and verification requirements for each of the following Power Supplies: the PP-2953\(\)/U and the PP-6224\(\)/U . The power supply furnishes 0-25 amperes over a voltage range of 24 to 32VDC from nominal 115/230 VAC at 50, 60 or 400 Hz single phase. The power supply can also operate from a 24 VDC storage battery in the battery standby mode.