5.3. Accessories for electrical connection
5.3.1. External earth connection (option)
Hazardous voltage due to insulating impact of powder coating!
Risk of electric shock.
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Strip powder from actuator surface (file down).
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Connect all protective earth conductors.
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Connect PE connection to external protective earth conductor of connection
cable.
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Power the device only once the protective earth conductor has been connected.
Figure 10: Earth connection
Application
External earth connection (U-bracket) for connection to equipotential compensation.
Table 5:
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.
14
EQ 40 – EQ 150
Electrical connection EQ 300 – EQ 600
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