
4
DC-Powered VNX™ Series Enclosures Installation and Operation Guide
Power considerations
Table 3 Disk-array enclosure (DAE6S and DAE5S), DC ratings
Requirement
Description (note all ratings assume maximally configured systems)
DAE6s
DAE5S
DC line voltage
-36 to -72 V DC (nominal -48 V or -60 V power systems)
DC line current
(operating maximum)
7.86 A max at -36 V DC
5.90 A max at -48 V DC
3.93 A max at -72 V DC
7.56 A max at -36 V DC
5.67 A max at -48 V DC
3.78 A max at -72 V DC
Power consumption
(operating maximum)
283 W max
272 W max
Heat dissipation
(operating maximum)
1.02 x 10
6
J/hr
(965.6 Btu/hr) max
.979 x 10
6
J/hr
(928.1 Btu/hr) max
In-rush current
20 A peak, per requirements in EN300 132-2 Sect. 4.7 limit curve
DC protection
20 A fuse in each power supply
DC inlet type
Positronics PLB3W3M1000
Mating DC connector
Positronics PLB3W3F7100A1
Ride-through time
5 ms min at -40 V input
Current sharing
±10% of full load, between power
supplies
±15% of full load, between
power supplies