Alpha Technologies FlexNet ELPM 300-48D - Manual (Page 18)

18 010-322-C0-003, Rev C
2.0 Specifications, continued
2.1
ELPM300-48D DC Power Supply, continued
Electrical — Battery Bus
Voltage 48Vdc nominal
Recharge Time 10X Discharge Rate to 90% state of charge
Temperature Compensation Range -20°C to +40°C
Temp. Compensation dV/dC -72mV/°C per string
End of Discharge Voltage 42Vdc (1.75V/cell)
Discharge Current 6A
Charge Current 6A
Quiescent Current <5mA after end of discharge (EOD)
Battery Grounding Float, SELV
Electrical — Local Display
LED STATUS
Green Steady Output OK
Green Blinking Standby Operation
Both Blinking Fault
Red Blinking Batt Low/Missing
Red Steady Replace Battery
Electrical — Status Monitor Interface
Status Monitoring Alarms Battery Low
Battery Missing
Replace Battery
AC Fail
Environment
Operation Temperature -40°C to 55°C (-40°F to 131°F)
Storage Temperature -40°C to 70°C (-40°F to 158°F)
Solar Loading Inclusive maximum temperature operation
Humidity 0-95%, non-condensing
Altitude Temp. spec applicable to 5,000ft (1524m). Above 5,000ft,
de-ratemax temp 2°C per additional 1,000ft (304.8m)
Physical
Dimensions 10.10” W x 5.98” H x 3.30” D (257mm W x 152mm H x 84mm D)
Weight 4.4lb/2.0kg