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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 (M6 ).
Figure 22: 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.
28
SQVEx 05.2 – SQVEx 14.2/ SQRVEx 05.2 – SQRVEx 14.2 Control unit: electronic (MWG)
Electrical connection
ACVExC 01.2 Modbus RTU