Siemens SCALANCE X-300EEC Compact Operating Instructions page 50

Connecting
5.4 Power supply
Table 5- 6
Pin number
Pin 1
Pin 2
Pin 3
To wire up the power connector, use a copper cable of category 18-8 AWG or cable with a
cross-section of 0.75 to 6 mm².
DC voltage is connected at the following terminals:
● Plus to "L"
● M to "N"
Secure the firm seat of connectors and the terminal block by tightening the screws (does not
apply to X-300EEC).
50
Pin assignment at terminal block 100 to 240 VAC / 60 to 250 VDC for the power supply
Assignment
L (100 to 240 V)
N
FE (functional earth)
Compact Operating Instructions, 11/2015, A5E02630809-09
SCALANCE X-300EEC