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Appendix A: Specifications
Model Number UF1A1A015C6(T) UF1A1A020C6 UF1A1A024C6
Capacity 1500VA (1.05KW) 2000VA (1.40KW) 2400VA (1.68KW)
Input voltage
1
Single phase 120VAC, +20% to -50%
Input frequency 30 to 70 Hz
Input capacity 1500VA 2000VA 2400VA
Input
Input power factor Approximately unity (0.95 to 1.0)
Input voltage
2
Single phase 120VAC, ±10%
Output voltage Single phase 120VAC
Bypass
Overload rating See appendix C
Output voltage Single phase 120VAC
Output voltage
regulation
Within +/- 3%, steady state
Output frequency 50/60 Hz (+/- 0.5% in free running mode, line sync range +/-1Hz)
Rated load power
factor
0.7
Rated output current
(rms)
12.5A 16.7A 20A
Inverter overload
capacity
125% for one minute; 150% for 30 seconds
Output
Crest factor 2.5 at full load
Type 12V, flame retardant, valve regulated lead acid
Battery backup time
(fully charged, 0.7 power
factor, 25°C (77°F)
17 minutes
(at full
load)
13 minutes
(at full
load)
9 minutes
(at full
load)
Battery
Configuration 2 strings in parallel, 4 batteries per string
Operating
temperature
0° to 40°C (32° to 104°F)
Altitude Up to 1000m (3000 ft) above sea level
Efficiency 86%
Environment
Operating Humidity 30 to 90%, non-condensing
Note1: Below 77% input voltage unit may begin parallel operation; supplementing input
power with battery power. The point at which parallel operation begins is load
dependant (for a detailed explanation of Parallel Operation see appendix D).
Note2: Input voltage range is limited in bypass for load protection. (For a detailed
explanation of Bypass Undervoltage / Overvoltage see appendix E.)