6.5.2.
Cable connection
Table 18:
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, electric shock due to presence of hazardous voltage if the
PE conductor is NOT connected!
Risk of death or serious injury!
→
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 42: Protective earth (PE)
[1]
U-bracket for PE connection
40
SQVEx 05.2 – SQVEx 14.2/ SQRVEx 05.2 – SQRVEx 14.2 Control unit: electronic (MWG)
Electrical connection
ACVExC 01.2 Modbus RTU
