Specifications; Tightening Torques - Danfoss iC7 Series Design Manual

Design Guide | iC7 Series Liquid-cooled System Modules

Specifications

10

Tightening Torques

10.1
Table 43: Tightening Torques and Bolt Lengths of the Terminals
Bolt
M4
M5
M6
M8
M10
M12
Grounding bolt (M8)
Table 44: Tightening Torques of Fuses
Fuse size Tightening
torque [Nm]
31 13.5 +0/-2
44 26 +0/-2
73 46 +0/-4
126
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Tightening torque Maximum length of
[Nm] bolt under the busbar
[mm]
2–2.5 –
3–4 –
6–9 –
17–20 10
35–40 22
65–70 22
17–20 20
Tightening
torque [in-lb]
119 +0/-17
230 +0/-17
407 +0/-35
Tightening torque [in-
lb]
18–22
27–35
53–80
150–177
310–354
575–620
150–177
Stud maximum Stud maximum
torque [Nm] torque [in-lb]
10 88
– –
15 132
Maximum length of
bolt under the busbar
[in]
–
–
–
0.39
0.87
0.87
0.79
Stud Bolt
M8x30 Zn –
DIN913
– M10x20
DIN933-8.8-Zn
M12x35 Zn –
DIN913
AJ475942178716en-000101 / 172K2848A