5.5. External earth connection
Figure 32: Earth connection for part-turn actuator
Figure 33: Earth connection for wall bracket
Application
External earth connection (U-bracket) for connection to equipotential compensation.
Table 17:
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.
37
SQEx 05.2 – SQEx 14.2 / SQREx 05.2 – SQREx 14.2 Control unit - electromechanical
ACExC 01.2 Intrusive Electrical connection
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