External Connection - 60kVA 400V UPS
990-2440 AIS 5000 400V Installation Manual 41
Frequency Regulation 50 Hz, + 0.1% free running
Output Voltage Range 100% static symmetrical load + 1%, 100% static asymmetrical load
+ 3%, no load to full load + 4%
Output Harmonic Distortion <3% linear load <5%
Load Crest Factor 5: 1
Load Power Factor 0.9 leading to 0.7 lagging
Overload Capacity 150% for 1 min., 125% for 10 min., Bypass Operation 1000% for 5
cycles
Connection Type 3 PH + N + G
Battery - External Only
Nominal Voltage
(Nominal battery voltage assumed to be 2.0 V/cell
(lead technology)
240 V
Number of Battery Cells 120
Float Charge Voltage 272 Volt DC programmable
Charge Voltage Range 100 to 115% of the DC nominal Voltage, + 1% IU characteristic
Low Battery Warning Range 210 - 222 Vdc (Factory Setting 210 V)
Low Battery Shutdown 204 Vdc
Full Load (P)
(The battery power takes in to account the DC-AC
efficiency of the main in verter for linea r load)
52.7 kW
Recommended Breaker Size [A] 300 A
Connection Type Hard Wire 3-wire (DC+/- + G)
Nominal Discharge Current [A]
(The battery nominal discharge current is based on
the nominal cell Voltage of 2.0 V/cell - number
of cells = 120 which gives a total Voltage of 240V)
220 A
Max. Discharge Current [A]
(The battery max. discharge current is based on a cell
end Voltage of 1.70V/cell which gives a total Voltage
of 204V)
266 A
Communication and Management
Control Panel Multi-function LCD status and control console
RS232 Port Yes
Network Management Card 10/100
Base T
Yes
Audible Alarm Audible and visible alarms prioritized by severity
Slots Empty 1
Modbus/BMS Card Optional
Electrical Output