5.4.2.2. Cable connection
Table 19:
Terminal cross sections and terminal tightening torques
Tightening torques
Terminal cross sections
Designation
1.5 – 1.8 Nm
max. 10 mm² (flexible or solid)
Power contacts (U, V, W)
3.0 – 4.0 Nm
max. 10 mm² (flexible or solid)
PE connection
0.6 – 0.8 Nm
max. 2.5 mm² flexible, or
max. 4 mm² solid
Control contacts (1 to 50)
1.
Remove cable sheathing and insert the wires into the cable glands.
2.
Fasten cable glands with the specified torque to ensure required enclosure
protection.
Information: For shielded cables: Link the cable shield end via the cable gland
to the housing (earthing).
3.
Strip wires.
4.
For flexible cables: Use end sleeves according to DIN 46228.
5.
Connect cables according to order-related wiring diagram.
In case of a fault: Hazardous voltage while protective earth conductor is NOT
connected!
Risk of electric shock.
→
Connect all protective earth conductors.
→
Connect PE connection to external protective earth conductor of connecting
cables.
→
Start running the device only after having connected the protective earth con-
ductor.
6.
Firmly tighten protective earth to PE connection (symbol:
).
Figure 40: Protective earth (PE)
[1]
U-bracket for PE connection
39
SAEx 25.1 – SAEx 40.1 / SAREx 25.1 – SAREx 30.1
ACExC 01.2
Electrical connection
