Connecting Devices With 100 To 240 Vac Power Supply - Siemens SCALANCE XR-300M PoE Series Compact Operating Instructions

Terminal block assignment (4-pin)
Table 6-3
Pin number
Pin 1
Pin 2
Pin 3
Pin 4
To wire up the power connector, use a copper cable of category 20-12 AWG or cable with a cross-
section of 1.0 to 2.5 mm².
6.7.2

Connecting devices with 100 to 240 VAC power supply

Safety note on devices with 100 to 240 V AC power supply
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.
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.
SCALANCE XR-300M PoE
Compact Operating Instructions, 03/2022, A5E02661178-15
Pinout of the 24 V safety extra-low voltage (SELV)
WARNING
WARNING
Assignment
L1+ (24 VDC)
M1
M2
L2+ (24 VDC)
Connecting up
6.7 Power supply
Labeling (example)
61