Note: To achieve the rated motor power given in the table, the rated current of the drive must be higher thanor equal to the rated motor current. The power ratings apply to most IEC 34 motors at the nominal voltage ofthe drive.ABB recommends to select the drive, motor and gear combination for the required motion profile with theDriveSize dimensioning tool available from ABB.￭ When is derating neededDerate the continuous output current of the drive if• drive is installed higher than 1000 m (3280 ft) above sea level• the minimum requirements of motor cable length are not met (see chapter du/dt filtersand sine filters).Note: The final derating factor is a multiplication of all applicable derating factors.￭ Ambient temperature deratingIn the temperature range +35…40 °C (+95…104 °F), the rated output current is not derated.For derating in temperatures above 40 °C (104 °F), contact ABB.￭ Altitude deratingAt altitudes from 1000 to 4000 m (3300 to 13123 ft) above sea level, the derating is 1% forevery 100 m (328 ft). If ambient temperature is below +40 °C (+104 °F), the derating canbe reduced by 1.5% for every 1 °C reduction in temperature. For a more accurate derating,use the DriveSize PC tool. A few altitude derating curves are shown below.1500 m1000 m+25 °C +30 °C+77 °F +86 °F+40 °C+104 °F+35 °C+95 °F+20 °C+68 °F3300 ft4921 ft2000 m6562 ft2500 m8202 ft3000 m9842 ft3500 m11429 ft4000 m13123 ft1.000.950.850.900.80Derating factor 1.00Derating factor 0.95Derating factor 0.90Derating factor 0.85Derating factor 0.80Technical data 111
