6.3.
External earth connection
Figure 27: Earth connection
Figure 28: Earth connection of separately mounted controls
Application
External earth connection (U-bracket) for connection to equipotential compensation.
Table 13:
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.
31
TR-M30X – TR-M1000X
TR-MR30X – TR-MR1000X
Electrical connection
