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4400 Series Installation and Operation Manual – 64527-008
4400 SPECIFICATIONS: 50–100kVA w/ External Battery Backup
50kVA 80kVA 100kVA
OUTPUT
Voltage (V)
Nominal Output Voltage, 3P/4W +GND or 3P/3W + GND
See Input Voltage Transformer Key
Voltage Regulation (%) ± 2% at 0-100% Balanced Load
Voltage Total Harmonic Distortion (Full
Linear Load) (%)
< 3%
Output Voltage Adjustment (%) ± 5% via Touchscreen
Voltage Transient Response (%) @
100% Step Load Change
± 3% @ 100% Step Load Change
Voltage Transient Response (%) @
Loss and Return of Input V
± 2%
Voltage Transient Response (%) @
Xfer from Bypass to Inverter
± 3%
Current (A) 139 A 222 A 278 A
Max Continuous Overload Current (A) 109% of Nominal Output
Crest Factor 2.5 2
Inrush Current Protection Fuse
Interrupt Rating (RMS Symmetrical kA) 18 kAIC
Frequency (Hz) 50 or 60 Hz
Frequency Selectable (Converter) Yes: 50 or 60Hz (Setup by Factory or Factory Technician Only)
Frequency Regulation (%) Free Run-
ning Mode
± 0.1%
Frequency Sync Range (%) ± 5 Hz
Frequency Slew Rate Range (Hz/s) ± 0.5 Hz/sec.
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
± 3° for Unbalanced Load
Inverter Overload Capacity (% for sec) 110%-124% for 6 min.
125-149% for 60 sec.
150% for 30 sec.
105%-124% for 6 min.
125-149% for 60 sec.
150% for 30 sec.
Eciency AC-DC-AC 100% Full Load
(%)
91% w/ No Transformer
88% w/ One Internal Transformer (50 & 80kVA Only)
85% w/ Two Internal Transformers (50kVA Only)
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) 16 Adc (Default)/ 20Adc Max Factory Adj.
20 Adc (Default) / Factory Ad-
justable
Max Discharge Current – (Adc) 217 Adc 347 Adc 433 Adc
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