... & step-down transformer POWER:50VA,75VA,100VA,150VA200VA,250VA,300VA,350VA500VA,750VA,1000VA,1500VA2000VA,3000VA,5000VA,7500VA,10000VA General (HBD fixed type step-up/down transformer ... step down the voltage from 220V to 110V or step up it from 110V to 220V effectively, with advantages of no waveform distortion , high ...