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4400 Series Installation and Operation Manual – 64527-008
11.6 Backup
Note: The 4400 80kVA unit is not available with internal battery backup.
4400 SPECIFICATIONS: 50kVA w/ Internal Battery Backup
50kVA
GENERAL
Model Number
B – Internal Batt. Backup
4400F3F500XAB
Capacity Output 50kVA (45kW)
Topology Double conversion all-IGBT UPS
INPUT
Voltage (V)
208/120 V +10% to -15% (Intermittently to -30% at 70% load
1
)
3P/4W +GND
Current (Nominal) (A) 140 A
Current (Max) (A) 173 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)
208/120 V, 3P/4W +GND
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)
208/120 V, 3P/4W +GND
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
Max Continuous Overload Current (A) 109% of Nominal Output
Crest Factor 2.5
Inrush Current Protection Fuse
Interrupt Rating (RMS Symmetrical kA) 18 kAIC
1 - Requires adjustment of factory/service adjustable parameters.
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