Cable Lugs Without Side Guard - Siemens SIMOTICS XP 1MB5 Operating Instructions Manual

Electrical connection
6.7 Conductor connection
3. Fasten the cable lug to the end of the conductor correctly, e.g. by squeezing.
Figure 6-5
4. Insulate the cable lug sleeves where necessary to ensure minimum air clearances and the
creepage distance are maintained.
5. Place the cable lug on the terminal support. If you are using a disconnecting link, check its
positioning, if applicable.
For terminal box 1XB7750, place the cable lug on the busbar.
6. Tighten the fixing element
6.7.4

Cable lugs without side guard

Explosion hazard if cable lugs without side guards are used
For cable cross-sections under 70 mm
air clearances may be underrun and cause an explosion.
This can result in death, serious injury, or material damage.
• For cable cross-sections under 70 mm
• Make sure that the minimum air clearances are observed.
84
Connection with cable lug and fixing screw (schematic diagram)
Fixing element
Fastening screw M12
Fixing screws M16
Fixing nuts M12
WARNING
②
with the corresponding tightening torque:
, cable lugs without side guard may twist. The minimum
2
2 , use only cable lugs with side guard.
Tightening torque
20 Nm
40 Nm
20 Nm
1MB5 shaft height 400/450
Operating Instructions, 04/2023, A5E52802354A