External Earth Connection - AUMA SG Series Operation Instructions Manual

SG 04.2 SG 10.2
with actuator controls MEC 03.1
6.4.

External earth connection

Application
Figure 15: Earth connection at MEC 03.1 and actuator
External earth connection (U-bracket) for connection to equipotential compensation.
Hazardous voltage due to insulating impact of powder coating!
Risk of electric shock.
Free (file off) the surface below the U-bracket of MEC actuator controls from
powder.
Connect all protective earth conductors.
Connect PE connection to external protective earth conductor of connection
cable.
Power the device only once the protective earth conductor has been connected.
Table 4:
Terminal cross sections and earth connection tightening torques
Conductor type
Solid wire and stranded
Fine 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.
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
17