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ABB Motors1Basic MotorTechnologyABB Motors2ABB MotorsBasic Motor Technologyfor ABB Motors' totally enclosed, fan cooled, three-phase squirrel cage catalogue includes Basic technical informationabout the electrical and mechanical design of standardmotors. General specifications stated in theinternational standards for electrical machines are Motors reserves the right to change the design,technical specification and dimensions, without about the electrical and mechanical designof Ex-motors, open drip proof motors IP 23, slip-ringmotors, brake motors, single-phase motors and otherspecial motors can be found in respective productcatalogues. The contact information for obtainingcatalogues and brochures is on the back Motors3Contents:Page:StandardsGeneral4De gree of protection5Cooling5Mounting arrangements5D-end and N-end7Direction of rotation7Dimensions and power standards7Insulation and insulation classes8Terminal markings8Symbols and units10Characteristics and tolerances10Typical Motor current and torque curves12Electrical designStarting of motors13Example of starting performance with differentload torques14Torque of voltage deviation15Permitted starting time15Permitted frequency of starting andreversing16Soft starters17Permitted output in high ambienttemperatures or at high altitudes17Motors for 60 Hz operation18Duty types19Efficiency and power factor22Power factor cos at start23Inspectio

2 ABB Motors Basic Motor Technology for ABB Motors' totally enclosed, fan cooled, three-phase squirrel cage motors. This catalogue includes basic technical information

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