ABB ACS580-01 +C135 Series Original Instructions Manual page 23

7. First attach the side brackets (d) to the U-brackets which were attached in
step 5 using M6 nuts finger-tight. Then use the tightening brackets (e, M5×20
screws) to press the side brackets against the module. Tighten the side bracket
nuts.
4 × M5×20 screw
3 N·m (2.2 lbf·ft)
4 × M6 nut
6 N·m (4.4 lbf·ft)
Mechanical installation – Frames R1 to R3 23