Table 1 一 Motor technologies and their energy efficiency potential Motor type IE1 IE2 IE3 IE4 IE5 Three-phase cagerotor in duction motors (ASM) Random wound windings (all enclosures, all rati ngs) Yes Yes Yes Difficult No Form wound windings; IP2x (open motors) Yes Yes Difficult No No...
OFAPPLICATION105EFFICIENCY1151DETERMINATION11511GENERAL11512RATEDVOLTAGES,RATEDFREQUENCIESANDRATEDPOWER11513AUXILIARYDEVICES1252RATING1253CLASSIFICATIONANDMARKING13531GENERAL13532EFFICIENCYCLASSIFICATION13533MOTORSBELOWIE1EFFICIENCY13534MARKING1354NOMINALLIMITSFOREFFICIENCYCLASSESIE1,IE2,IE3ANDIE413541NOMINALEFFICIENCYLIMITSFORIE11...