Tracopower top 100w open frame power supplies tracopower top 100 105 the tracopower top 100 105 100w open frame power supply 5 52vdc 20a features the highest power rating in the industry standard 2in x 4in 508 x 1016mm footprint this well designed unit can supply up to 100w output power with convection cooling over an industrial operating temperature range of 25degc to 50degc this performance could be realized by a state of the art design providing an extremely high efficiency of