Siemens SCALANCE W788-1PRO Operating Instructions Manual page 34

Connecting up
5.4 Fitting the IE FC TP standard cable 4 x 2 GP to an IE IP 67 hybrid connector
34
Screw the sealing sleeve to the housing. Use an open
key with a size of 24 mm. The required tightening torque
is 4.5 Nm.
Screw the hexagonal nut and sealing sleeve together.
Once again the required torque is 4.5 Nm.
SCALANCE W788-xPRO/RR / W74x-1PRO/RR
Operating Instructions, 07/2014, A5E02280448-08