DC terminal block
When shipped, the connection for the 2-pin DC terminal block ① is covered. The DC terminal
block ships with the device. Protective grounding is provided by the grounding bolt ④.
You can recognize the type of power supply from the labeling on the device and the labeling of
the terminal block for the power supply of the switch.
Position
① DC terminal block
② Sliding cover
③ Screw for protection of the DC connection
④ Grounding bolt
Figure 6-4 Position of the DC terminal blocks using a redundant 100 to 240 V AC / 110 to 250 V DC device
version as an example
Contact Assignment
L+ 110 to 250 V DC
M Ground
Using the DC terminal block
Figure 6-5 Sliding cover - DC terminal block available
Connecting up
6.4 Power supply 100 to 240 VAC / 110 to 250 VDC
SCALANCE XRH-300/XRM-300
62 Equipment Manual, 10/2022, C79000-G8976-C546-01
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