Siemens SCALANCE X-300EEC, Compact Operating Instructions

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X1
L1 L2
L1 M1 L2 M2 F1 F2 L1 M1 L2 M2 F1 F2
X2
Figure 6-4 Assignment of the LED display to the pins for redundant power supply with devices with two
power supply units
● If the power supply fails at pins L1/M1 of terminal block "X1", this is indicated by LED L1.
● If the power supply fails at pins L1/M1 of terminal block "X2", this is indicated by LED L2.
6.7.3 Connecting devices with 100 to 240 VAC power supply
Safety note on devices with 100 to 240 V AC power supply
WARNING
Danger from line voltage
The supply voltage for the devices listed is 100 to 240 V AC.
This device can only function correctly and safely if it is transported, stored, set up, and
installed correctly, and operated and maintained as recommended.
Connecting and disconnecting may only be performed by an electrical specialist.
Connect or disconnect power supply cables only when the power is turned off.
WARNING
Devices with a 100 to 240 V AC 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 2014/34/EU 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.
Connecting
6.7 Power supply
SCALANCE X-300EEC
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Compact Operating Instructions, 11/2019, A5E02630809-14