22 Technical Specifications
Power Requirements
NOTE: The table below represents the DC PSU’s capabilities and does not
represent the S4820T operation.
DC Input Specification
The power supply operates within all specified limits over the following input
voltage range.
Parameter Specifications
Power supply 100–240 VAC 50/60 Hz
Maximum current draw per system 4 A @ 398.02watts/100vac
2 A @ 398.02watts/200vac
Maximum power consumption 398.02 Watts
Reliability MTBF 355,178 hours
min/max input voltage range
−40.5V /−48V/ −60V
input power at full load
−40.5V/970W −48V/930W
−60V/950W (without fan)
−40.5V/980W −48V/940W
−60V/960W (with fan)
input current at full load
−40.5V/23.8A −48V/19.0A
−60V/15.6A (without fan)
−40.5V/24A −48V/19.2A
−60V/16.0A (with fan)
Start up VDC 39.0+/
−1.5V
Start off VDC 37.5+/
−1.5V
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