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.
7.
Firmly tighten protective earth to PE connection (M6 ).
Figure 30: Protective earth connections within connection frame
M6 Customer protective earth connection for M6 ring lug or with U-bracket
for up to two wires.
M4 Internal protective earth connections via M4 ring lug (to cover and terminal
carrier) connected in the factory
Protective earth connection to terminal carrier (power terminals); connec-
ted in the factory.
35
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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