Delta DD 55 V - 1300 W - A is a hot-pluggable, fan-cooled converter which converts typical 24 Vdc input into -55 Vdc for various telecommunication applications.
Delta DD 24 V - 480 W - A is a hot-pluggable, fan-cooled converter which converts typical 48 Vdc input into +24 Vdc for various telecommunication applications.