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4400 Series Installation and Operation Manual – 64527-008
4400 SPECIFICATIONS: 50kVA w/ Internal Battery Backup
50kVA
Enclosure NEMA 1
Construction Welded Steel Chassis
Color Powder Coat, DuPont O’Brien Black
Emergency Power O (EPO) Yes
Control Panel Touchscreen and LED
MONITORING
Operator Interface (Front Panel) Touchscreen and LED
Dry Contacts Included Yes
RS-232 Interface Yes
Optional – Intelligent Monitoring Yes – RemotEye 4
Optional – Remote Status Alarm Panel (RSAP) Yes
ADDITIONAL FEATURES
Optional Matching Battery Cabinets Yes
Optional Matching MBS/PDU Cabinet Yes
OTHER
Warranty (yr.) 3 Years
Certications UL 1778, CUL, NEC (NFPS-70), CE, IBC, CBC, ANSI C62.41 (IEEE
587), Nema/PET-1993, OSHA, ISO9000, ISO 14001:2004.
11.7 Estimated Runtime on Internal Batteries – 50kVA
Below are charts of the estimated runtime for the 4400 Series 50kVA on internal batteries at various loads at a 0.9 and 0.8 Power Factor.
The 80-100kVA UPS is not available with internal batteries. An external battery cabinet (or equivalent) is required to provide backup power.
These runtimes are estimates based on new batteries operating at 76 °F. Actual runtimes may vary due to manufacturing variations, previous discharge
proles, battery age, and operating temperature.
ESTIMATED RUNTIME ON INTERNAL BATTERIES AT VARIOUS LOADS
1
UPS Estimated Runtime in Minutes at Percent Full Load
1
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
50kVA (0.8 PF) >60 >60 >60 50 37 29 24 19 17 14
50kVA (0.9 PF) >60 >60 >60 42 32 25 19 17 14 12
1 – Subject to change without notice.
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