The utility model relates to a power illumination distributor which can make an illumination loop remain at an optimum work voltage, effectively protects an electric light source, prolongs service life and effectively saves electric energy. The power illumination distributor comprises a breaker connected with an electric network input interface, wherein an output end of the breaker is connected with an AC transformer, an output end of the AC transformer is respectively connected with a first AC contactor and a second AC contactor, an output end of the first AC contactor is connected with a magnetic saturation transformer, the AC transformer and a control input end of the magnetic saturation transformer are respectively connected with a control system, and the control system, the magnetic saturation transformer and an output end of the second AC contactor are respectively connected with an output interface. The power illumination distributor has advantages of simple structure, convenient use and strong practicality.