HP 275 - Manual (Page 44)

Operating and Operating and Operating and Operating and
Performance
Performance Performance Performance
Specifications for
Specifications for Specifications for Specifications for
Power Distribution
Power Distribution Power Distribution Power Distribution
Devices
Devices Devices Devices
Power Bus Box Power Bus Box Power Bus Box Power Bus Box Mini Bus Bar Mini Bus Bar Mini Bus Bar Mini Bus Bar Scalable Bus Bar Scalable Bus Bar Scalable Bus Bar Scalable Bus Bar
Power Power Power Power
Enclosures or facility DC
Enclosures or facility DC Enclosures or facility DC Enclosures or facility DC
feeds Supported
feeds Supported feeds Supported feeds Supported
(3U each)
1 1 2
Server blade enclosures Server blade enclosures Server blade enclosures Server blade enclosures
supported
supported supported supported
(6U each)
1 3 5
Total rack height of Total rack height of Total rack height of Total rack height of
supported enclosures
supported enclosures supported enclosures supported enclosures
9U 21U 36U
Dimensions Dimensions Dimensions 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 Weight Weight Weight 3.62 lb (1.64 kg) 13.2 lb (5.9 kg) 26 lb (11.79 kg)
Rated Operating Rated Operating Rated Operating Rated Operating
Voltage
Voltage Voltage Voltage
-43.2 VDC to -54 VDC -43.2 VDC to -54 VDC -43.2 VDC to -54 VDC
Max Total Power Max Total Power Max Total Power Max Total Power
Supported
Supported Supported Supported
3000 W 9000 W 15000 W
Total Max Input Current Total Max Input Current Total Max Input Current Total Max Input Current
At Minimum Voltage
At Minimum Voltage At 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 Current Total Max Input Current Total Max Input Current
At Nominal Voltage
At Nominal Voltage At 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 Power Max Current Per Power Max Current Per Power
Feed
Feed Feed Feed
70A 70A 210A
Max Local Ambient Max Local Ambient Max Local Ambient Max Local Ambient
Temperature
Temperature Temperature 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 and Operating and Operating and
Performance
Performance Performance Performance
Specifications for
Specifications for Specifications for Specifications for
Facility DC
Facility DC Facility DC Facility DC
Voltage Voltage Voltage 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 Blade HP ProLiant BL25p Server Blade HP ProLiant BL25p Server Blade
Technical Specifications
DA - 12160 North America — Version 7 — June 27, 2005 Page 44