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Operating and
Operating andOperating and
Operating and
Performance
PerformancePerformance
Performance
Specifications for
Specifications forSpecifications for
Specifications for
Power Distribution
Power DistributionPower Distribution
Power Distribution
Devices
DevicesDevices
Devices
Power Bus Box
Power Bus BoxPower Bus Box
Power Bus Box
Mini Bus Bar
Mini Bus BarMini Bus Bar
Mini Bus Bar
Scalable Bus Bar
Scalable Bus BarScalable Bus Bar
Scalable Bus Bar
Power
PowerPower
Power
Enclosures or facility DC
Enclosures or facility DCEnclosures or facility DC
Enclosures or facility DC
feeds Supported
feeds Supportedfeeds Supported
feeds Supported
(3U each)
1 1 2
Server blade enclosures
Server blade enclosuresServer blade enclosures
Server blade enclosures
supported
supportedsupported
supported
(6U each)
1 3 5
Total rack height of
Total rack height ofTotal rack height of
Total rack height of
supported enclosures
supported enclosuressupported enclosures
supported enclosures
9U
21U 36U
Dimensions
DimensionsDimensions
Dimensions
Height
5.1 in (12.95 cm)
19.45 in (49.40 cm)
48.57 in (123.37 cm)
Width
3.6 in (9.14 cm) each
19.74 in (50.14 cm) 19.74 in (50.14 cm)
Depth
3.25 in (8.26 cm)
2.2 in (5.59 cm) 2.2 in (5.59 cm)
Weight
WeightWeight
Weight
3.62 lb (1.64 kg)
13.2 lb (5.9 kg)
26 lb (11.79 kg)
Rated Operating
Rated OperatingRated Operating
Rated Operating
Voltage
VoltageVoltage
Voltage
-43.2 VDC to -54 VDC -43.2 VDC to -54 VDC -43.2 VDC to -54 VDC
Max Total Power
Max Total PowerMax Total Power
Max Total Power
Supported
SupportedSupported
Supported
3000 W 9000 W
15000 W
Total Max Input Current
Total Max Input CurrentTotal Max Input Current
Total Max Input Current
At Minimum Voltage
At Minimum VoltageAt Minimum Voltage
At Minimum Voltage
69.44 A at -43.2VDC
208.32 A at -43.2 VDC
347.2 A at -43.2 VDC
(equivalent of 175A per
feed)
Total Max Input Current
Total Max Input CurrentTotal Max Input Current
Total Max Input Current
At Nominal Voltage
At Nominal VoltageAt Nominal Voltage
At Nominal Voltage
62.5 A at -48VDC
187.5 A at -48 VDC 312.5 A at -48 VDC
(equivalent of 175A per
feed)
Max Current Per Power
Max Current Per PowerMax Current Per Power
Max Current Per Power
Feed
FeedFeed
Feed
70A 70A
210A
Max Local Ambient
Max Local AmbientMax Local Ambient
Max Local Ambient
Temperature
TemperatureTemperature
Temperature
149° F (65° C) 149° F (65° C) 149° F (65° C)
NOTE:
NOTE: NOTE:
NOTE:
All systems support redundant A & B feeds. Scalable bus bar supports dual A and dual B feeds.
Operating and
Operating andOperating and
Operating and
Performance
PerformancePerformance
Performance
Specifications for
Specifications forSpecifications for
Specifications for
Facility DC
Facility DCFacility DC
Facility DC
Voltage
VoltageVoltage
Voltage
Nominal input voltage
-48 VDC
Operating voltage range
-48VDC ± 10% or -43.2 VDC to -52.8 VDC
Max Input voltage slew
rate
0.5V/uS
Redundant feed voltages*
(A & B)
*A and B feeds must differ by no more than
5VDC during steady state operation
Ripple/Noise
480 mV PARD**
Overshoot
Must remain within regulation limits on all feeds
during startup or shutdown
Voltage transients
Must not exceed -60 VDC
QuickSpecs
HP ProLiant BL25p Server Blade
HP ProLiant BL25p Server BladeHP ProLiant BL25p Server Blade
HP ProLiant BL25p Server Blade
Technical Specifications
DA - 12160 North America — Version 7 — June 27, 2005
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