Connecting
5.2 Electrical connections
5.2.5.2
Connecting the power supply
Note
Securing the IEC connector
An IEC connector and a guard bracket are enclosed with the device. The guard bracket that is
screwed over the IEC connector protects the IEC connector from being pulled out
unintentionally.
Overview
①
②
③
Figure 5-7
Procedure
1. Connect the wires of the connecting cable to the IEC connector
supply and PE conductor connections are correct!
Tighten the screws in the IEC connector with a torque of:
– 0.5 Nm at the terminals
– 0.3 Nm at the cable terminals (strain relief) and the connector enclosure.
2. Connect the appliance plug
52
Power supply unit
Equipotential bonding
Ethernet strain relief
Rear of the rack-mounted device, connecting power supply
④
Appliance plug
⑤
Guard bracket for the IEC connector
④
to the power supply unit
Compact Operating Instructions, 01/2022, A5E35134047-11
④
. Ensure that the power
①
.
Devices in explosion-proof design