Technical specifications
8.3 Current/power requirements and power supply
SIMATIC IPC847E
152
Operating Instructions, 10/2018, A5E43920357-AA
8.3
Current/power requirements and power supply
8.3.1
Current and power requirements of the system components
Maximum current values
Component
Voltage
+3.3 V
+5 V
+12 V
+12 V2
-12 V
5 V
aux
Motherboard Core i3 processor
with cooling
1
1.53 A
3.44 A
1.3 A
3.3 A
0 A
0.28 A
Motherboard Core i5 /i7 proces-
sor with cooling
1
1.53 A
3.44 A
1.3 A
5 A
0 A
0.28 A
Motherboard Xeon processor
with cooling
1
1.53 A
3.44 A
1.3 A
7.5 A
0 A
0.28 A
SSD SATA (typical)
0.8 A
Hard disk drive
1
SATA (typical
values)
0.6 A
0.3 A
Hard disk drive
1
SATA type
Enterprise (typical values)
0.5 A
0.7 A
M.2 NVMe SSD
2.24 A
Internal fan
0.25 A
Triple Head graphics card
3.3 A
1.5 A
Single currents AC, max. permit-
ted
20 A
2
25 A
2
14 A
11 A
0.1 A
2.0 A
3
Single currents AC redundant,
max. permitted
20 A
2
20 A
2
16 A
16 A
0.5 A
3.0 A
Total power consumption, per-
missible
255 W
Efficiency of the simple power
supply
1
Approx. 88% (230 V AC), approx. 88% (120 V AC)
Efficiency of the redundant pow-
er supply
1
Approx. 89% (230 V AC), approx. 87% (120 V AC)
1
Depends on the selected device configuration
2
The accumulated power of the +5 V and + 3.3 V voltage may not exceed 190 W with ATX power
supply and 100 W with ATX redundant.
3
2.5 A for 10 seconds
