4
Mechanical installation
Installing the drive
Operating Instructions – Compact Extra-Low Voltage Drives
24
Determining the screw length
A minimum screw length s
min
is required to ensure the motors are mounted securely.
The maximum permissible screw length s
max
prevents any damage to the motor.
Minimum
screw length s
min
= E
min
6.5 mm + x
Maximum
screw length s
max
= E
max
8.0 mm + x
E
max
E
min
s
min
s
max
x
25874475019
E
max
Maximum screw-in depth
E
min
Minimum screw-in depth
s
max
Maximum screw length
s
min
Minimum screw length
x Material strength
26718014/EN – 11/2020
