External Earth Connection - AUMA PROFOX PF-Q80 Operation Instructions Manual

6.5 External earth connection

Figure 17: External earth connection
Application External earth connection, with U-bracket for connection to equipotential compensa-
tion.
Standard: Without earth connection, with plastic plate and screw only.
Option: With earth connection, consisting of U-bracket and hexagon socket cap head
screw, for explosion-proof version additionally with metal washer.
Strip powder from actuator surface below the U-bracket (file down).
Table 9: Terminal cross sections and earth connection tightening torques
Conductor type
solid
flexible
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.
Terminal cross sections
2.5 mm² to 6 mm²
1.5 mm² to 4 mm²
Electrical connection
Tightening torques
3 – 4 Nm
3 – 4 Nm
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