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E5412 and E5424 controller-drive trays and EF540 flash array: Power input

Table 1. AC power requirements for the E5412 and E5424 controller-drive trays and EF540 flash arrays

Each power supply contains one 10-A slow-blow fuse.

Parameter
Low range High range
Nominal voltage 100 VAC 240 VAC
Frequency 50 to 60 Hz 50 to 60 Hz
Typical operating current for 12 drives 4.08 A * 1.70 A **
Typical operating current for 24 drives 4.57 A * 1.90 A **
Maximum operating current for 12 drives 5.58 A * 2.33 A **
Maximum operating current for 24 drives 6.07A * 2.53 A **
Sequential drive group spin up 4.27 A 1.76 A
Simultaneous drive spin up 6.81 A 2.71 A
System rating plate label 9.0 A 3.6 A

* Typical current: 100 VAC, 60 Hz at 0.87 power supply efficiency and 0.99 power factor. These numbers can vary significantly, depending upon the drives tested in the particular configuration.

**Typical current: 240 VAC, 60 Hz at 0.87 power supply efficiency and 0.99 power factor. These numbers can vary significantly, depending upon the drives tested in the particular configuration.