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4400 Series Installation and Operation Manual – 64527-008
4400 SPECIFICATIONS: 15–30kVA w/ External Battery Backup
15kVA 20kVA 25kVA 30kVA
No. Internal Transformers (Max) 0 to 2
Current @ 208V (Nominal) (A) 42 A 56 A 69 A 83 A
Current @ 208V (Max) (A) 52 A 69 A 87 A 104 A
Current Limit (%) 125% of Rated load
Current THD (%) < 5%
Frequency (Hz) [and range] 50/60 Hz ± 5 Hz
Input Power Factor (PF) @ full load >0.98
Walk-in Function (sec) 20% to 100% over 3, 5, or 9 sec. (Selectable)
Cold Start (0-100% load) (sec) 25 sec. from cold start
Bypass
Voltage (V) Nominal Bypass Voltage, 3P/4W +GND or 3P/3W + GND
See Input Voltage Transformer Key
Frequency (Hz) 50/60 Hz ±5%
Bypass Overload @ 125% Load 10 min. @ 125% Load
Bypass Overload @ 150% Load 2 min. @ 150% Load
Bypass Overload @ 1000% Load 1 cycle @ 1000% Load
Automatic Retransfer (Max load % for
Retansfer)
Yes
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 @ 208V (A) 42 A 56 A 69 A 83 A
Max Continuous Overload Current
(A)
109% of Nominal Output
Crest Factor 2.5
Inrush Current Protection Fuse
Interrupt Rating (RMS Symmetrical
kA)
18 kAIC
Frequency (Hz) 50 or 60 Hz
Frequency Selectable (Converter) No
Frequency Regulation (%) Free Run-
ning Mode
± 0.1%
Frequency Sync Range (%) ± 5 Hz
Frequency Slew Rate Range (Hz/s) ± 0.5 Hz/sec.
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