Dc Power Supply - Inspur NF5260FM6 User Manual

A front-end surge protector should be installed in the power supply system to

protect the system against a voltage surge of 10/700 us, 5 kV and a current
surge of 8/20 us, 20 kA.
All cables in the power distribution frame (PDF) should comply with YD/T 1173-

2001 specifications, and the diameters of all power cables should meet the
requirements for wire ampacity.

11.10.7 DC Power Supply

The DC power supply should be stable and reliable, with the power supply unit
being arranged close to the device. The standard DC voltage is -48 VDC, and the
fluctuation range of server power supply voltage is -38.4 V to -57.6 V.
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