Certified Cable Entries, Thread Adapters And Sealing Plugs - Siemens 1LA8 Operating & Installation Instructions Manual

Electrical connection
6.4 Introducing and routing the cables
You can rotate the cable entry through 180°.
Table 6-4
Terminal box
1XB1621
1XB1631
1XB1634
1XB9600
Insert the cable into the terminal box
1. Unscrew the cable entry plate.
2. Drill the required number of holes or threads in the required size in the cable entry plate.
3. Fit the required cable glands.
4. Route the cables through the cable glands.
5. Fit the cable entry plate to the terminal box with the assembled cables.
6. Connect the ends of the cables to the terminals in accordance with the circuit diagram. The
Refer to Chapter "Connecting cables ..." for more information.
Drill holes in the cable entry plate
If you drill holes in the cable entry plate for explosion-protected motors, then document the
data about these holes in the motor documentation:
● Number and size of the holes
● Type of thread, e.g. metric or NPT
Data regarding the installation of pipes and accessories is provided in IEC / EN 60079-14.
6.4.2

Certified cable entries, thread adapters and sealing plugs

Use only sealing plugs, cable entries & conductor entries and thread adapters that are certified
and marked for use in the respective hazardous zone.
76
Cable entry plate versions
Standard
cable entry plate drilled with
2 x M80 x 2 + 2 x M25 x 1.5
4 x M80 x 2 + 2 x M25 x 1.5
Onion ring only
Ensure that the cable entry plate can be assembled after drilling and that it features
sufficient stiffness.
circuit diagram is located in the cover of the terminal box.
Explosion-proof version
Undrilled (Page 75)
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SIMOTICS TN Series N-compact 1LA8
Operating Instructions 08/2017