3-22
3 First Steps
Controller
1. Connect the protective earth cable to the back of the controller as shown
in F
IGURE
3.16.
2. Tighten the hexagon nut [D] with a torque of 2.9 Nm.
3. Make sure that the contact resistance is < 0.1 Ω at 25 A at all connection
points relevant for mounting the protective earth cables.
Figure 3.16: Connection for the protective earth cable on the back of the controller
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A
Serrated lock washer Ø 4.3 mm for M4 screw
B
Washer Ø 4.3 mm for M4 screw
C
M4 cable lug
D
M4 hexagon nut
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