14 SIPROTEC 4/5, Injection Unit 7XT71, Product Information
C53000-B1174-C128-7, Edition 09.2016
7.2 Connections of the Injection Units 7XT7100
Fig. 7-3 Terminal Strip and Grounding Connections
Grounding Connections
• Protective conductor connection: screw at least one copper band/conductor
to 2 contact points on the lower section of the rear plate over a large
surface using M4 screws (torque = 1.5 Nm). Use at least a 4 mm
2
(or AWG12)
protection conductor.
• Shielding: 2 contact points are provided for grounding the shielding.
Protective conductor
Cable shielding
connections
Terminals
connections
NOTE
Observe the warning notes on grounding in Chapter 1 and Chapter 9.
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