Siemens SCALANCE X-300 Series Operating Instructions Manual page 183

Transmitter output (optical)
and receiver input
Diagnostics port
Table 8-58
Device version
(power supply)
1 x 24 to 48 VDC
2 x 24 to 48 VDC
1 x 100 to 240 VAC / 60 to
250 VDC
2 x 100 to 240 VAC / 60 to
250 VDC
Table 8-59
Device version
(power supply)
24 to 48 VDC
100 to 240 VAC / 60 to 250 VDC
Table 8-60
Device version
(power supply)
1 x 24 to 48 VDC
2 x 24 to 48 VDC
1 x 100 to 240 VAC / 60 to 250 VDC
2 x 100 to 240 VAC / 60 to 250 VDC
SCALANCE X-300
Operating Instructions, 11/2019, A5E01113043-24
The values correspond to those of the permitted MM900 media modules
and SFP transceivers.
RJ-11 jack
Electrical data: Power supply
Redundant
power supply
unit
Yes
Yes
Electrical data: Current consumption and power loss
Electrical data: Overcurrent protection
8.6 XR-300M EEC technical specifications
Redundant power
supply possible
No Yes
Yes
No No
No
Current consumption
1.6 to 0.75 A
0.6 to 0.37 A (AC)
0.7 to 0.17 A (DC)
Overcurrent protection of the power supply
Non-replaceable fuse
1 x T2H / 250 V
2 x T2H / 250 V
1 x T2H / 250 V (AC)
1 x T2H / 300 V (DC)
2 x T2H / 250 V (AC)
2 x T2H / 300 V (DC)
Technical specifications
Power supply
(min./max. range)
24 to 48 VDC
(19.2 to 57.6 VDC)
24 to 48 VDC
(19.2 to 57.6 VDC)
100 to 240 VAC
(80 to 276 VAC)
60 to 250 VDC
(48 to 300 VDC)
100 to 240 VAC
(80 to 276 VAC)
60 to 250 VDC
(48 to 300 VDC)
Effective power loss
40 W
42 W (AC)
42 W (DC)
183