Table 22:
Terminal cross sections and earth connection tightening torques
Tightening torquesTerminal cross sectionsConductor type
3 – 4 Nm2.5 mm² to 6 mm²Solid wire and stranded
3 – 4 Nm1.5 mm² to 4 mm²Fine stranded
For fine stranded (flexible) wires, connection is made via cable lugs/ring terminals. When connecting
two individual wires with a U-bracket, cross sections have to be identical.
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SA 07.2-UW – SA 16.2-UW / SAR 07.2-UW – SAR 16.2-UW Control unit: electronic (MWG)
AC 01.2 Non-Intrusive Profinet Electrical connection