Configuration Manual Synchronous Motors 1FK7 - Siemens ...

5.2.2 Selection and ordering data
5.2.2.1 Explanation of the designations in the selection tables
Gearboxes
Helical and angled gearboxes
P2 kW Mechanical power output at the gearbox shaft (in S3 duty)
n2 rpm Gearbox output speed referred to the input speed of the motor
of n1 = 3000 rpm for a horizontal gearbox shaft output
M2 Nm Rated gearbox output torque in S3 duty
M2max Nm Max. permissible accelerating torque of the gearbox
inom Nominal gearbox ratio (approximate value as decimal number)
iexact Exact gearbox ratio (specified as a fraction for parameter entry
in the drive converter)
Frpermiss N Max. permissible cantilever force at the end of the gearbox
shaft, referred to a motor speed of 3000 rpm
fB Gearbox overload factor (quotient between the max. permissible
accelerating torque and stall torque of the motor and ratio)
SH Motor frame size (1FK7 motors are available in frame sizes 36,
48, 63, 80 and 100)
Order codes The Order codes define the gearbox type, size,
ratio and mechanical implementation
Weight kg Total weight of the geared motor
1FK7 Synchronous Motors
Configuration Manual (PFK7), 10/2005 Edition, 6SN1197-0AD06-0BP1 5-9