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Devices with a 100 to 240 VAC power supply do not have an ATEX or IECEx approval.
Devices with a 100 to 240 V AC power supply are not approved for use in hazardous areas
according to EC-RL-94/9 ATEX or IECEx.
NOTICE
Securing cables with dangerous voltage
Make sure that the connector cannot be released accidentally by pulling on the connecting
cable. Lay the cables in cable ducts or cable channels and secure the cables, where
necessary, with cable ties.
Note
Use in IT networks
When used in IT networks, the power supply 100 to 240 VAC also applies to the connected
IT network: Phase-to-phase.
Information on the power supply
The SCALANCE XR524-8C and SCALANCE XR526-8C are available in the following
versions for power supply with the 100 to 240 VAC power supply unit:
● With single power supply unit (1 x 100 to 240 VAC)
● With redundant power supply unit (2 x 100 to 240 VAC)
Each power supply unit PS1 and PS2 has its own 2-pin IEC plug C14 with switch.
To connect the power supply, use the cables listed in the section "Accessories (Page 22)".
Position
The IEC plug with switch S1 Power (position
input voltage are located on the rear of the device. The second IEC plug for the redundant
version is shown in gray in the figure.
①
②
Figure 6-3
SCALANCE XR-500
Operating Instructions, 09/2018, A5E03275845-12
WARNING
Switch S1 Power
Socket X1
Position of the IEC connector on a SCALANCE XR524-8C SCALANCE XR526-8C is
analogous.
6.3 100 to 240 VAC power supply
①
) and the socket X1 (position
Connecting
②
) for the
65
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