2.
Insert cable glands suitable for connecting cables.
Information: When selecting cable glands observe type of protection (with Ex e
or Ex d approval) and enclosure protection IP (refer to name plate).
The type of protection stated on the name plate IP is only ensured if suitable
cable glands are used.
Figure 18: Name plate, example with enclosure protection IP68
Information: For shielded cables: Use EMC cable glands.
3.
Seal unused cable entries with approved plugs suitable for the required protec-
tion type.
5.2.2.
Cable connection
Table 15:
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.
25
SQEx 05.2 – SQEx 14.2 / SQREx 05.2 – SQREx 14.2 Control unit: electronic (MWG)
ACExC 01.2 Non-Intrusive Modbus TCP/IP
Electrical connection