Delta MCS-1800 - Manual (Page 9)

DELTA MCS-1800 3U Power Shelf
Installation, Operations and
Maintenance Manual
2-4
Table 1 displays the system input specifications.
Table 1 System Input Specifications
Specification Value
Nominal range 175 ~ 275VAC
Operational range
90 ~ 275VAC Full Load
150V ~ 175Vac de-rating to 80% Load
90V ~ 150Vac de-rating to 50% Load
50℃ ~ 65℃ de-rating 1500W
Frequency 45 ~ 65Hz
Power Factor >0.99 @ 220VAC, Full Load
THD <5% @ 220VAC, Full Load
Efficiency >90% @ 220VAC, Full Load
2.4.2 Output
Table 2 displays the system output specifications.
Table 2 System Output Specifications
Specification Value
DC Volts
38~60 VDC (-48V Version)
20~30 VDC (+24V Version)
Load regulation <1%
Line regulation <0.2%
Current Limit 110%
Current share <5%
Noise:
Audio band
Wide band
Acoustic
<2mv
<10 mVrms
<55 dBA
2.4.3 Status/Alarm Indicators
The Power Shelf has the following status/alarm indicators:
Load Current
AC ON
Rectifier Fail Alarm (RFA)
Current Limit (CL)
Float/Equalize (FL/EQU)
Major Alarm (MAJ)
Minor Alarm (MIN)
High Voltage Alarm (HV)
High Voltage Shutdown (HVSD)
Low Voltage Alarm (LV)
Low Voltage Disconnect Open (LVDS OPEN)
Fuse Blown (FUSE ALM)
AC Fail (AC FAIL)