The utility model relates to a novel adjustment of low -voltage power supply network three -phase unbalanced load device, include: a distal end centralized control ware and a field control terminal, the field control terminal includes a plurality of correspondences set up changes single -phase circuit department in three phase line intelligent phase change switch, intelligence phase change switch includes 1 the 1st communication circuit, and intelligent phase change switch corresponds through a communication circuit through setting up the 2nd communication circuit and the communication of distal end centralized control ware in distal end centralized control ware. The utility model provides a novel adjustment of low -voltage power supply network three -phase unbalanced load device, has realized online three alternate freedom adjustment of electricity load phase sequence, reaches low pressure circuit three -phase load balancing distribution purpose, provides important technological means for improving power distribution station economical operation level and quality of supply.