Danfoss iC7 Series

10 Specifications
10.1 Tightening Torques
Table 43: Tightening Torques and Bolt Lengths of the Terminals
Bolt Tightening torque
[Nm]
Maximum length of
bolt under the busbar
[mm]
Tightening torque [in-
lb]
Maximum length of
bolt under the busbar
[in]
M4 2–2.5 – 18–22 –
M5 3–4 – 27–35 –
M6 6–9 – 53–80 –
M8 17–20 10 150–177 0.39
M10 35–40 22 310–354 0.87
M12 65–70 22 575–620 0.87
Grounding bolt (M8) 17–20 20 150–177 0.79
Table 44: Tightening Torques of Fuses
Fuse size Tightening
torque [Nm]
Tightening
torque [in-lb]
Stud maximum
torque [Nm]
Stud maximum
torque [in-lb]
Stud Bolt
31 13.5 +0/-2 119 +0/-17 10 88 M8x30 Zn
DIN913
–
44 26 +0/-2 230 +0/-17 – – – M10x20
DIN933-8.8-Zn
73 46 +0/-4 407 +0/-35 15 132 M12x35 Zn
DIN913
–
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Design Guide | iC7 Series Liquid-cooled System Modules