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4400 Series Installation and Operation Manual – 64527-008
4400 SPECIFICATIONS: 15–30kVA w/ External Battery Backup
15kVA 20kVA 25kVA 30kVA
Output Power Factor (PF) 0.9
Loads Supported (PF) 0.4 Lagging to 0.4 Leading
Phase Displacement: 100%
Balanced Load (deg.), 100%
Unbalanced Load (deg.)
± 2° for Balanced Load
Inverter Overload Capacity (% for
sec)
125% for 90 sec. 150% for 30 sec.
Eciency AC-DC-AC 100% Full Load
(%)
91% w/ No Transformer
88% w/ One Internal Transformer
85% w/ Two Internal Transformers
Surge Protection Auto transfer to bypass, retransfer to inverter; Optional SPD
BATTERY GENERAL, EXTERNAL
Type VRLA Batteries
Voltage – Nominal (Vdc) 288 Vdc
Voltage – Minimum (Vdc) 230.4 Vdc
Voltage -Float (Vdc) 324 Vdc
Max Recharge Current – (Adc) 6 Adc (Default)/20Adc Max Factory Adj.*
*(Max. Charge Current + Input Current cannot exceed 125% of Rated Load Current)
Max Discharge Current – (Adc) 64 Adc 85 Adc 107 Adc 128 Adc
Battery Capacity Required at Full
Load (kWB)
14.7 kWB 19.6 kWB 24.5 kWB 29.4 kWB
Battery Test (Interval per hr) Yes
Pre-alarm Level (Vdc) 250 Vdc
Battery Protection Internal – Fuse / Ext. – MCCB
Overvoltage Protection Cuto @ 110% Floating Charge
Protection against Batteries Deep
Discharge
Automatically adjust cuto voltage
Eciency DC-AC (%) >90%
Battery – Internal (N/A)
Environment
Cooling -Forced Air (cfm) 5 x 250 cfm
Operating Temperature (°F/°C) 32°F – 104°F (0 °C – 40 °C)
Storage Temperature (°F/°C) 14°F – 122°F (-10 °C – 50 °C)
Operating Humidity (%) 5 – 95% RH
Altitude (ft./m) 3300 ft. (1000 m) w/o derating
Location Indoors in dust and moisture free environment
Heat Rejection at 100% Full Load
(BTU/Hour)
4506 6074 7593 9111
Audible Noise (dBA) ~63dB (‘A’ Scale @ 1m)
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