IEC_60072-2ed1.0b.img.pdf

NORMECEIINTERNATIONALEIECINTERNATIONAL60072-2STANDARDPremiere editionFirst edition1990-12Dimensions et series de puissancesdes machines electriques tournantesPartie 2:Designation des carcasses entre 355 et 1000 etdes brides entre 1180 et 2360Dimensions and output series for rotatingelectrical machinesPart 2:Frame numbers 355 to 1000 and flangenumbers 1180 to 2360IECNumero de referenceReference numberCE/1EC60072-2:199072-2IEC-3-CONTENTSPageFOREWORD.5INTRODUCTION.7Clause1 Scope.92 Letter-symbols for dimensions.93 Designation of machines.113.1 Foot-mounted machines.113.2 Flange-mounted machines.113.3 Foot-and flange-mounted machines.114 Fixing dimensions.134.1 Shaft heights.134.2 A dimensions.134.3 B dimensions.154.4 C dimensions.154.5 Mounting flange dimensions.175 Shaft extension dimensions,keys and keyways.Greatest permissible torques on continuousduty for a.c.motors.196 Preferred rated output values.217 Dimensional sketches.217.1 Principal dimensions,machines with undefined shape and with feet down.217.2 Principal dimensions,machines with undefined shape and with feet up.237.3 Principal dimensions,machines with defined shape and with feet down.237.4 Shaft extension dimensions.257.5 Principal dimensions,machines with defined shape and with mounting flange,withspigot.277.6 Principal dimensions,machines with defined shape and with mounting flange,withoutspigot.29