Dawn Powers VPX. VPX Power Supplies Dawn is the leader in VITA 62 compliant power supplies for the mission critical market. Wide range of standard features, highly configurable through custom firmware. HLD-6262 6U VITA 48.2Holdup ModuleCompatible with PSC-6265 HLD-6724 3U VITA 62Holdup ModuleCompatible with PSC-6234/6238 HLD-6726 3U VITA 62Holdup ModuleCompatible with PSC-6236 PSC-6234 3U VITA 62 / 400W28VDC InputConduction Cooled PSC-6234 3U VITA 62 / 400W28VDC InputAir Cooled PSC-6236 3U VITA 62 / 400WUniversal AC InputConduction Cooled PSC-6236 3U VITA 62 / 400WUniversal AC InputAir Cooled PSC-6238 3U VITA 62 / 800W28VDC InputConduction Cooled PSC-6265 6U VITA 62 / 580WUniversal AC InputConduction Cooled PSC-8742 3U VITA 62 Low Power High Efficiency with Integrated Hold-up PSD-1097 3U VITA 62.1Single SlotPower Backplane PSD-6362 3U VITA 62Single SlotPower Backplane