5.3.4.
External earth connection
Figure 27: Earth connection for part-turn actuator
Application
External earth connection (U-bracket) for connection to equipotential compensation.
Table 19:
Terminal cross sections and earth connection tightening torques
Tightening torques
Terminal cross sections
Conductor type
3 – 4 Nm
2.5 mm² to 6 mm²
Solid wire and stranded
3 – 4 Nm
1.5 mm² to 4 mm²
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.
32
SQ 05.2 – SQ 14.2 / SQR 05.2 – SQR 14.2 Control unit - electromechanical
Electrical connection
AC 01.2 Intrusive Modbus RTU
