Ac Input Voltage Specification; Ac Line Dropout/Holdup; Ac Inrush; Table 13. Ac Input Rating - Intel SR1625UR Technical Product Specification

Power Subsystem
3.6.4

AC Input Voltage Specification

The power supply must operate within all specified limits over the input voltage range shown in
the following table:
Parameter Minimum
Line Voltage
90 V
rms
(110)
Line Voltage
180 V
rms
(220)
Frequency 47 Hz
Notes:
1. Maximum input current at low input voltage range is measured at 90 VAC, at maximum load.
2. Maximum input current at high input voltage range is measured at 180 VAC, at maximum load.
3. This is not to be used for determining agency input current markings.
4. Maximum rated input current is measured at 100 VAC and 200 VAC.
Harmonic distortion of up to 10% of the rated AC input voltage must not cause the power
supply to go out of specified limits. The power supply powers off on or after/below 75 VAC ± 5
VAC range. The power supply starts up on or before/above 85 VAC ± 4 VAC. Application of an
input voltage below 85 VAC does not cause damage to the power supply or blow a fuse.
3.6.5

AC Line Dropout/Holdup

An AC line dropout is defined to be when the AC input drops to 0 VAC at any phase of the AC
line for any length of time. During an AC dropout of one cycle or less, the power supply must
meet dynamic voltage regulation requirements over the rated load. An AC line dropout of one
cycle or less (20 ms minimum) does not cause any tripping of control signals or protection
circuits (= 20 ms holdup time requirement). If the AC dropout lasts longer than one cycle, the
power supply should recover and meet all turn-on requirements. The power supply must meet
the AC dropout requirement over rated AC voltages, frequencies, and output loading conditions.
Any dropout of the AC line does not cause damage to the power supply.
The minimum holdup time requirement is as follows:

20 ms minimum when tested under the following conditions: Maximum combined load =
360 W (55%)

12 ms minimum when tested under the following conditions: Maximum combined load =
600 W (92%)
3.6.6

AC Inrush

The peak AC inrush current is less than 40 A peak for one-quarter of the AC cycle and less
than the ratings of power supply's critical AC input components, including input fuse, bulk caps,
rectifiers, and surge limiting device.
22
Table 14. AC Input Rating
Rated Maximum
100-127 V 140 V
rms rms
200-240 V 264 V
rms rms
50/60 Hz 63 Hz
Intel order number E47487-007
Intel® Server System SR1625UR TPS
Startup Power-off
VAC VAC
85 VAC 75 VAC ±
8.5 A
±4 VAC 5 VAC
- - 4.2 A
Maximum
Maximum Rated
Input AC
Input AC Current
Current
1,3 4
7.6 A
rms rms
2,3 4
3.8 A
rms rms
Revision 1.5