3 phase step up transformer 240 to 480480 volt 3 phase step down transformerstep down transformer 240 to 208step down transformer 480 to 208208 volt to 240 volt transformer480 volt to 208 volt transformertransformer 240 to 480480 to 220 transformer480 to 277 transformertransformer 480 to 120480 to 208 transformer480 step down transformer
