Technical specifications
8.3 Current/power requirements and power supply
SIMATIC IPC647E
Operating Instructions, 11/2018, A5E45589180-AA
143
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
Front fan
1.4 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. 90% (230 V AC) / approx. 90% (120 V AC)
Efficiency of the redundant pow-
er supply
1
Approx. 85% (230 V AC) / approx. 85% (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
3 A for 10 seconds
