Tracopower tsp 3p series din rail power supplies tracopower tsp 480 124 3pac400 three phase high performance industrial power supplies from the tracopower tsp 3p series with 24v dc output these units offer an economical solution to generate a regulated dc voltage from three phase mains networks smart design achieves a very high efficiency with ultra compact size tracopower tsp 480 124 3pac400 din rail power supply 24v dc 20a 480w 3 phase