QuickSpecs

Operating and
Performance
Specifications for Power
Distribution Devices
Power Bus Box Mini Bus Bar Scalable Bus Bar
Power enclosure or
facility DC supported (3U
each)
1 1 2
Server blade enclosures 1 3 6
Total rack height of
supported enclosures
9U 21U 36U
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 voltage -43.2 VDC to -54 VDC 43.2 VDC to -54 VDC -43.2 VDC to -54 VDC
Max total power
supported
3000 W 9000 W 15,000 W
Total max input current 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 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
feed
70A 210A 210A
Max local ambient
temperature
149° F (65° C) 149° F (65° C)
NOTE: All systems support redundant A & B feeds. Scalable bus bar supports dual A and dual B feeds.
QuickSpecs
HP ProLiant BL20p p-Class Server Blade
Technical Specifications
DA - 11411 Worldwide — Version 24 — September 24, 2004 Page 31