WARNING
Operation only with safety extra-low voltage
The device is designed for operation with a directly connectable safety extra-low voltage
(SELV). (This does not apply to 100 to 240 VAC / 110 to 250 VDC devices).
• Do not operate the device with an AC voltage higher than 30 V AC or a DC voltage higher
than 31.2 V DC.
Note
The device can be disconnected from the power supply by removing the terminal block.
Position and assignment
The connection is located on the front of the device.
Figure 6-1 Position of the power supply using a 24 V AC/DC device version with 12 SFP/SFP+ slots
Contact Assignment
L1+ 24 V DC / 24 V AC
M1 Ground
M2 Ground
L2+ 24 V DC / 24 V AC
Connecting up
6.3 24 V AC/DC power supply
SCALANCE XRH-300/XRM-300
Equipment Manual, 10/2022, C79000-G8976-C546-01 59
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