HP 275 manual Power Bus Box Mini Bus Bar Scalable Bus Bar, Feeds Supported, Total rack height

QuickSpecs

HP ProLiant BL25p Server Blade

Technical Specifications

Operating and

Performance Specifications for Power Distribution Devices

	Power Bus Box	Mini Bus Bar	Scalable Bus Bar
Power	1	1	2
Enclosures or facility DC
feeds Supported
(3U each)
Server blade enclosures	1	3	5
supported
(6U each)
Total rack height of	9U	21U	36U
supported enclosures
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	3.62 lb (1.64 kg)	13.2 lb (5.9 kg)	26 lb (11.79 kg)
Rated Operating	-43.2 VDC to -54 VDC	-43.2 VDC to -54 VDC	-43.2 VDC to -54 VDC
Voltage
Max Total Power	3000 W	9000 W	15000 W
Supported
Total Max Input Current	69.44 A at -43.2VDC	208.32 A at -43.2 VDC 347.2 A at -43.2 VDC
At Minimum Voltage			(equivalent of 175A per
			feed)
Total Max Input Current	62.5 A at -48VDC	187.5 A at -48 VDC	312.5 A at -48 VDC
At Nominal Voltage			(equivalent of 175A per
			feed)
Max Current Per Power	70A	70A	210A
Feed
Max Local Ambient	149° F (65° C)	149° F (65° C)	149° F (65° C)
Temperature

NOTE: All systems support redundant A & B feeds. Scalable bus bar supports dual A and dual B feeds.

Operating and	Voltage	Nominal input voltage	-48 VDC
Performance		Operating voltage range	-48VDC ± 10% or -43.2 VDC to -52.8 VDC
Specifications for
		Max Input voltage slew	0.5V/uS
Facility DC
		rate
		Redundant feed voltages*	*A and B feeds must differ by no more than
		(A & B)	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

DA - 12160 North America — Version 7 — June 27, 2005 Page 44