Delta MCS-1800 manual Output, Status/Alarm Indicators

DELTA MCS-1800 3U Power Shelf

Installation, Operations and

Maintenance Manual

Table 1 displays the system input specifications.

Table 1 System Input Specifications

Specification

Value

Nominal range	175 ~ 275VAC
	90 ~ 275VAC Full Load
Operational range	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	<2mv
	Wide band	<10 mVrms
	Acoustic	<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)

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