... ) MCU control, no brush, no wea ST Step-down transformer Specifications Specifications :1.Input voltage:rated voltage ... ,BKC,JBKDG & SGPower Transformer,Dry type transformer,Three-phase Dry-type Power Transformer,Transformer,SG,DG DG ... type transformerGeneralDG and SG series single-phase and three-phase dry type transformer adopts high quality ... :no additional waveform distortion ST Step-down transformer