Basic Documentation

Startup Procedure and Checklist
Document Number 125-1006
Rev. FA, June 18, 2019
BT300 Variable Frequency Drives
- 3280 base value that does not require derating
-3280 derate altitude
-10.0000% derate percentage
0.00 Drive derated amp rating
0
0
0 motor amps @ service factor
- 104 base value that does not require derating
-104
Enter drive amp rating
-75.56 Drive derated amp rating
0
0
0 motor amps @ service factor
Operating Temperature Derating Calculator
It is required to derate the drive when operating temperature is greater than 104°F (40°C). The following calculator
can be used to determine if the drive size if proper.
Enter the operating temperature (in °F)
Enter Motor Amps (on Drive & Motor Information tab)
Enter Motor Service Factor (on Drive & Motor Information tab)
Enter Motor Service Factor (on Drive & Motor Information tab)
Altitude Derating Calculator
It is required to to derate the drive when altitudes are greater than 3280 feet. The following calculator can be used
to determine if the drive size is proper.
Enter the altitude
Enter drive amp rating
Enter Motor Amps (on Drive & Motor Information tab)
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