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5.
Performance & Product Specifications
5—1
Table 5a. Esprit Models 3 and 4 Rack UPS Specifications
Item Specification Comment
Output VA 2880/4000
Output W 2016/3150
Surge protection, joule rating 420 joules per system Each battery cabinet adds 210 joules
Waveform Stepped approximation of sine wave Pseudo-sine wave on back-up only
Nominal input voltage 120 VAC (opt. 100 or 127 VAC) +10%, -15%
Maximum input voltage (VAC) 140
Low voltage transfer (VAC) 102 Adjustable to 96
Low line return (VAC) 109 Adjustable to 99
High line transfer (VAC) 132
High line return (VAC) 126
Input current (A) 24/33 maximum
Input frequency (HZ) 50 or 60 + or - 2.5 HZ Auto-select at start-up
Input protection Customer provided, branch
Transfer time 4-8 ms. To or from battery
Overload protection, line mode Output disabled at >120% load
Overload protection, battery mode Output disabled at >120% load
Efficiency, on utility >98%
Efficiency, on battery >93%
Battery mode voltage 120 VAC + or - 5% (120 VAC mode)
Battery life expectancy 3-5 years
Output frequency regulation Nominal + or - 0.5 HZ On battery
Battery mode output protection Electronic current limit Self-protected
Battery 12 each 5 Ah 144 VDC nominal bus
Maximum charge current 0.7 A With 100% discharge
Float voltage 2.25 VDC/cell (162 VDC)
Backup time 5 minutes 100% load
Battery protection Current limiting fuses 1 internal, 1 w/extended battery
Recharge time 8 hrs.. to 90%, 4 hrs.. to 80% Full discharge
Battery charger ripple current 0.05C maximum
Low battery alarm level 1.75 v/cell, no load (126 VDC)
Low battery shutdown level 1.65 v/cell, full load (119 VDC)
Faulty battery alarm level 1.8 v/cell (130 VDC)
Low battery alarm level 3 minutes before end of discharge
Charger protection Overload, current protected
Max. # of extended batteries Unlimited
Controls Start, stop, alarm reset switches
Communications RS232 or USB + two contact HID on RS232 or USB
closures included (selectable RS232 or USB)
Temperature 0-40 C
Air flow 30 CFM on battery Heat: ESP030 40-141W
Humidity 0-95% non-condensing Heat: ESP040 60-211W
Noise 45 dBA maximum