Ac Power Supply - Siemens SCALANCE X-300 Manual

Terminal block assignment (4-pin)
Table 6- 4
Pin number
Pin 1
Pin 2
Pin 3
Pin 4
6.4.2 100...240 V AC power supply
Danger from line voltage
Devices with this mark have a 100 to 240 V AC power supply.
This product 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 approval.
Devices with a 100 to 240 V AC power supply are not approved for use in hazardous areas
according to EC-RL-94/9 (ATEX).
SCALANCE X-300
Operating Instructions, 10/2010, A5E01113043-10
Pinout of the 24 V safety extra-low voltage (SELV)
WARNING
WARNING
Assignment
L1+ 24 V DC
M1
M2
L2+ 24 V DC
6.4 Power supply
Labeling (example)
Connecting
129