NAI offers COTS and Modified COTS power Supplies and power converters that plug directly into standard 3U and 6U VPX chassis and are conduction-cooled through the card edge/wedgelock. With their advanced design, these rugged converters accept either +28VDC input, +270VDC input or 3Ø, AC input. These off-the-shelf solutions for VITA 46.0 and VITA 65 systems are compatible with VPX specifications; support all VITA standard I/O, signals, and features; and conform to the VITA 62 mechanical and electrical requirements for modular power supplies.