Mounting and connecting
4.4 Connecting the connection box
Mobile Panel 277 RO
44 Operating Instructions, 10/2015, A5E36824256-AA
Note
Permissible torque
The connection box housing is made of plastic. Therefore, the mounting hole
threads cannot
handle the same amount of stress as a comparable metallic housing. Do not exceed 0.4 to
0.5 Nm of torque when tightening the screws.
If the screws are tightened more than 20 times, there is risk of damage to the threads.
Degree of protection not fulfilled
When assembling the unit, be sure to fit plugs to all unused screw glands and to insert the
appropriate seal for the cover. Otherwise degree of prot
ection IP65 is not ensured.
Stripping the insulation of cables
Stripping insulation
The following figure shows you how to strip an Ethernet cable.
Note
Use a wire stripper as
specified in the online catalog under Industry Mall
https://mall.industry.siemens.com) for fast and accurate stripping of the insulation.
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