Technical data
14.3 Power supply (AC)
SIMATIC Rack PC 847B
120
Operating Instructions, 06/2008, A5E02203168-01
14.3
Power supply (AC)
Output voltage
Voltage
Max. current
Voltage stability
+ 12 V
15 A
+/- 5 %
+ 12 V
15 A
+/- 5 %
- 12 V
0.2 A
+/- 10 %
+ 5 V
26 A
1
+ 5 % / - 4 %
+ 3.3 V
24 A
1
+ 5 % / - 4 %
+ 5 Vaux
2 A
+ 5 % / - 3 %
1
The accumulated power of the +5 V and + 3.3 V supply may not exceed 190 W
Maximum inrush current at:
110 VAC = 25 A / 5 ms
230 VAC = 30 A / 5 ms
Power Good Signal
Figure 14-1 Timing profile of the Power Good Signal
14.4
Technical data of the telescopic rails
Ultimate load per pair
At least 30 kg
Full extraction length
At least 470 mm
Rail thickness
Maximum 9.7 mm
Mounting screws
M5 x 6 mm
