AUMA SA 25.1 - External Earth Connection

5.4.5. External earth connection
Figure 45: Earth connection for multi-turn actuator
Application
External earth connection (U-bracket) for connection to equipotential compensation.
Table 24:
Terminal cross sections and earth connection tightening torques
Tightening torquesTerminal cross sectionsConductor type
3 – 4 Nm6 mm² to 16 mm²Solid wire and stranded
3 – 4 Nm4 mm² to 10 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.
46
SA 25.1 – SA 48.1/SAR 25.1 – SAR 30.1
Electrical connection AC 01.2 Intrusive HART