... 4.60HZ:115v,115/ 208V-230V,208v-230v NEMA EPACT preminum single phase AC Electric motor 1)EFF2/EFF3 2)Taiwan quality ... manufacturing of low voltage single- and three-phase induction motors. Our motors have reached IEC standard (EFF1, EFF2) and NEMA standard (NEMA EPACT & Premium TM) ... insulation validity. CE,UL,,CSA,MEPS,CCC,ISO9001 Approvals NEMA standard single phase roolled steel motor TEFC motor