User guide

Electrical installation
Wiring
Connecting busbars
4

41
EDK94ZPM113 DE/EN/FR/ES/IT 4.0
Proceed as follows to connect the busbars:
1. If devices of the interconnected system have already been in operation:
– Ensure that the power supply system is switched off by checking the
voltage at the supply terminals.
– If necessary, switch off the power supply and wait at least 3 minutes.
2. Loosen the busbar screws but do not remove them completely.
3. Push the busbars as far as possible to the left towards the adjacent
busbar.
– Ensure that there is good contact to the adjacent busbar.
4. Tighten the busbar screws.
– Tightening torque: 3.2 ... 3.5 Nm (28 ... 31 lb−in).
5. Screw all components onto the mounting plate.
– Tightening torque: 3.4 Nm (30 lb−in).