Tightening Torque - ABB PVS-120 Hardware Manual

Medium voltage station
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Tightening torque

Use the torque values given in the table, unless otherwise specified.
Bolt and nuts
M3
M4
M5
M6
M8
M10
M12
M14
M16
M18
Bolt and nuts
M3
M4
M5
M6
M8
M10
M12
M14
M16
M18
M20
1) Not applicable to threaded inserts
Electrical connections
Steel: A2-70/A4-70/8.8 (N.m)
0.9
2.3
4.5
8.0
20
40
70
110
170
240
Mechanical connection
Quality 8.8
1.21
2.78
5.5
9.5
23
46
79
127
198
283
402
Torque
Brass (N.m)
-
-
-
5.0
12
25
40
60
90
120
1)
Torque
A2-70/A4-70
0.85
0.80
1.60
2.80
6.8
14
24
37
56
81
114

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