Table 23: The tightening torques of the terminals
Frame
Type
Tightening torque:
the mains cable and
motor cable terminals
Tightening torque:
the grounding clamps
for cable shield
Tightening torque:
the grounding clamps
for grounding conductor
Nm
lb-in.
Nm
lb-in.
Nm
lb-in.
MR4
0003 2 - 0012 2
0003 5 - 0012 5
0.5-0.6
4.5-5.3
1.5
13.3
2.0
17.7
MR5
0018 2 - 0031 2
0016 5 - 0031 5
0004 6 - 0011 6
1.2-1.5
10.6-13.3
1.5
13.3
2.0
17.7
MR6
0048 2 - 0062 2
0038 5 - 0061 5
0018 6 - 0034 6
0007 7 - 0034 7
10
88.5
1.5
13.3
2.0
17.7
MR7
0075 2 - 0105 2
0072 5 - 0105 5
0041 6 - 0062 6
0041 7 - 0062 7
8 * / 5.6 **
70.8 * /
49.6 **
1.5
13.3
8 * / 5.6 **
70.8 * /
49.6 **
* = The tightening torque for a torx screw.
** = The tightening torque for an Allen screw.
Fig. 37: The tightening torque for the Allen screw in MR7 is 5.6 Nm
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