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4400 SPECIFICATIONS: 50kVA w/ Internal Battery Backup
Specification
50kVA
Frequency (Hz)
50 or 60 Hz
Frequency Selectable (Converter)
No
Frequency Regulation (%) Free Running Mode
± 0.1%
Frequency Sync Range (%)
± 5 Hz
Frequency Slew Rate Range (Hz/s)
± 0.5 Hz/sec.
Output Power Factor (PF)
0.9
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.
Efficiency AC-DC-AC 100% Full Load (%)
91%
Surge Protection (kA or Category)
BATTERY GENERAL, EXTERNAL
Auto transfer to bypass, retransfer to inverter
(N/A)
BATTERY – INTERNAL
Internal Back-up Time at Full Load (at 25 °C) (min)
See: Section 11.7 - Estimated Runtime on Internal Batteries
Type / Rating (Ah)
Yuasa HX205-12FR, 12V, 56AH
Number of Batteries
24
Replaceable Batteries
Yes – Field Replaceable
ENVIRONMENT
Cooling -Forced Air (cfm)
5 x 452 cfm (max.)
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)
15,034
MECHANICAL
Weight lb/(kg)
Dimensions WxDxH (in/mm)
1350 lbs. (612 kg)
32.1 in x 37.2 in x 73.8 in (816 mm x 944 mm x 1874 mm)
Clearance (in/mm)
Enclosure
Construction
Color
Emergency Power Off (EPO)
Control Panel
36 in (900 mm) Front1 /
16 in (406 mm) Top /
0.0 IN (Zero) clearance Sides/Back
NEMA 1
Welded Steel Chassis
Powder Coat, DuPont O’Brien Black
Yes
Touchscreen and LED
1 - Minimum front clearance for unobstructed airflow is 20 inches. However, minimum front clearance when
physically accessing the UPS must be at least the width of the front door of the UPS, or per NEC 110.34(A)
(36 i n./900 mm) and local requirements, whichever is greater.
4400 Series Installation and Operation Manual – 64527-003
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