IEC plug
When shipped, the connection for the 3-pin IEC plug ① is available. The device is grounded via
the power cable. To connect the power supply, use the power cable listed in the section
"Accessories (Page 29)".
Position
① IEC plug
a Outer conductor
b Protective conductor (PE)
c Neutral conductor
② Sliding cover
③ Screw for protection of the DC connection
Figure 6-2 Position of the IEC plug using a redundant 100 to 240 V AC / 110 to 250 V DC device version
as an example
Using an IEC plug
① IEC plug
② Sliding cover
③ Screw for protection of the DC connection
Figure 6-3 Sliding cover - IEC plug available
To use the IEC plug, follow these steps:
1. Slide the cover ② to the left.
2. To secure the cover in place, tighten the screw for protection of the DC connection ③. The
tightening torque is 0.4 Nm.
3. Connect the device to the power supply using the IEC plug ①.
Connecting up
6.4 Power supply 100 to 240 VAC / 110 to 250 VDC
SCALANCE XRH-300/XRM-300
Equipment Manual, 10/2022, C79000-G8976-C546-01 61