Siemens SIMOTICS SD - Terminal Board and Grounding; Terminal Boxes, End Shields, Grounding Conductors, Sheet Metal Fan Covers; Cable Glands

Non-standard tightening torques
Di󹪜erent tightening torques for electrical connections and bolted connections for parts with
󹪞at seals or insulating parts are speci󹪝ed in the relevant sections and drawings.
A.1.2 Terminal board and grounding
Table A-2 Tightening torques for electrical connections on the terminal board and grounding
Thread ∅ M3.5 M4 M5 M6 M8 M10 M12 M16
Nm
min. 0.8 0.8 1.8 2.7 5.5 9 14 27
max. 1.2 1.2 2.5 4 8 13 20 40
A.1.3 Terminal boxes, end shields, grounding conductors, sheet metal fan covers
If no other tightening torques are speci󹪝ed, then the values in the following table apply.
Table A-3 Tightening torques for screws on the terminal box, end shields, screw-type grounding conductor connections
Thread ∅ M3.5 M4 M5 M6 M8 M10 M12 M16 M20
Nm min. 0.8 2 3.5 6 16 28 46 110 225
max. 1.2 3 5 9 24 42 70 165 340
A.1.4 Cable glands
Note
• Avoid damaging the cable jacket.
• Adapt the tightening torques to the cable jacket materials.
Technical speci󹪝cations
A.1Tightening torques
1LE5, 1PC4 shaft heights 280 ... 355
134 Operating Instructions, 11/2022, A5E41454666A