n2
Gearbox output speed referred to the input speed of the motor of n1 = 3000 rpm for a horizontal gear shaft output
inom
Nominal gear ratio (approximate value as decimal number)
iexact
Exact gear ratio (specified as a fraction for parameter entry in the drive converter)
fB
Gearbox overload factor (quotient between the max. permissible acceleration torque and static torque of the motor and ratio)