Electrical connection
Standard motors
48 56100000002001, 02/2013
Table 6-2 Tightening torques for screws on the terminal box, end shields, screw-type
grounding conductor connections
Thread ∅ M 4 M 5 M 6 M 8 M 10 M 12 M 16 M20
min 2 3.5 6 16 28 46 110 225
Nm
max 3 5 9 24 42 70 165 340
Table 6-3 Tightening torques for self-tapping screws on the terminal box, end shields,
screw-type grounding conductor connections, sheet metal fan covers
Thread ∅ M 4 M 5 M 6
min 4 7.5 12.5
Nm
Max. 5 9.5 15.5
6.3 General information on conductor connection
Cross-sections that can be connected depending on the size of the terminal (possibly
reduced due to size of cable entries)
WARNING
Short-circuit hazard
Electric machines contain hazardous voltages.
If the appropriate precautions are not taken, death or serious physical injury can
occur.
● Do not lay connection cables over the central dome of the terminal board.
● Observe the opening direction and the mounting position of the cover washers
on the terminal board.
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