![Danfoss FC 300 Design Manual Download Page 167](http://html.mh-extra.com/html/danfoss/fc-300/fc-300_design-manual_507599167.webp)
8.2 Connections - Frame Sizes D, E and F
8.2.1 Torque
When tightening all electrical connections, it is very important to tighten
with the correct torque. Too low or too high torque results in a bad elec-
trical connection. Use a torque wrench to ensure correct torque.
Figure 8.18: Always use a torque wrench to tighten the
bolts.
Frame size
Terminal
Torque
Bolt size
D1, D2, D3 and D4
Line power
Motor
19 Nm (168 in-lbs)
M10
Load sharing
Brake
9.5 Nm (84 in-lbs)
M8
E1 and E2
Line power
Motor
Load sharing
19 NM (168 in-lbs)
M10
Brake
9.5 Nm (84 in-lbs)
M8
F1, F2, F3 and F4
Line power
Motor
19 Nm (168 in-lbs)
M10
Load sharing
Brake
Regen
19 Nm (168 in-lbs)
9.5 Nm (84 in-lbs)
19 Nm (168 in-lbs)
M10
M8
M10
Table 8.1: Torque for terminals
FC 300 Design Guide
8 Electrical Installation
MG.33.BC.22 - VLT
®
is a registered Danfoss trademark
8-9
8