Energy -conserving high -efficient communication power supply

The utility model discloses an energy -conserving high -efficient communication power supply, include: be provided with the shell of cavity, the shell includes: operating surface, terminal surface, side bottom surface, the both ends of operating surface are provided with AC input and output, be located the switch of AC input one side, the setting is in the signal display ware and the louvre of output one side, the arrangement is in transformer in the shell cavity and being located the electric capacity and the diode of transformer one end, wherein the output is provided with protection system, power switch has switching delay system and shutdown to maintain the system. The utility model discloses a communication power supply can both keep normal under - 55 DEG C -120 DEG C of special operational environment's condition lasts and efficient work, uses 6 grades of duty schemes of up -to -date solution, can practice thrift 35% power consumption simultaneously on prior art's basis. Therefore, the utility model discloses a collection is energy -conserving, high -efficient, stable, reliable multiple advantage communication power supply as an organic whole.