Siemens SCALANCE X308-2 User Manual

Connecting
6.5 Power supply
SCALANCE X-300
142 Operating Instructions, 05/2016, A5E01113043-20
6.5.2.6
Connecting the 100 to 240 VAC power supply
Connecting the 100 to 240 VAC power supply via the 2-pin terminal block
There are devices with single (1 x 100 to 240 V) or redundant power supply (2 x 100 to 240
V). The cable outlet can be to the front or rear depending on the device type.
● The power supply is connected using a 2-pin plug-in terminal block.
● The two power inputs are always non-floating.
Terminal block assignment (2-pin)
Table 6- 13 Pin assignment of the 100 to 240 VAC power supply
Pin number
Assignment
Labeling
Pin 1
L1 (100 to 240 VAC)
Pin 2
N
6.5.2.7
Connecting the power supply 100 to 240 VAC to X-300EEC / XR-300M EEC
Power supply 100 to 240 VAC / 60 to 250 VDC
The switch is available in the following versions for power supply with the multirange power
supply unit 100 to 240 VAC / 60 to 250 VDC:
● With single power supply unit (1 x 100 to 240 VAC / 60 to 250 VDC)
● With redundant power supply unit (2 x 100 to 240 VAC / 60 to 250 VDC)
Each power supply unit PS1 and PS2 has a separate supply connector.
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.
On devices with a 100 to 240 VAC power supply, the connectors of the signaling contact and
the power supply are identical. To avoid confusion, the two pins have a different coding.

Siemens SCALANCE X308-2 Specifications

General

Brand	Siemens
Model	SCALANCE X308-2
Category	Switch
Language	English