MD-1000I / MD-2000I / MD-3000I Technical Information
11. Technical Information
Model MD-1000I MD-2000I MD-3000I
Output
Output in VA 1000 VA 2000 VA 3000 VA
Output in W 800 W 1600 W 2400 W
Power factor 0.8
Topology Online double-conversion
Placement Tower or 19"-rack
Safety CE
Input
Voltage range 120/140/160 - 288 VAC
Basis charge percent (0~33/33~66/66~100%)
Under voltage 120/140/160Vac
Under voltage start 170Vac
Over voltage 288 VAC
Voltage
Over voltage start 278 VAC
Frequency 50/60 Hz auto-select, ± 5Hz
Phases Single-phase with earth
PF > 0.99 at full measured linear load
Typical transfer time 0 ms.
Leakage current ≤ 3.5 mA
Surge protection 300 Joule
Output
Voltage 230V, adjustable to 200/208/220/230/240
Voltage setting ≤± 1% until weak battery warning
Frequency (synchro-
nised range)
3Hz or 1Hz (setting via software)
Frequency (battery
mode)
±0.1% (0.05~0.06Hz) if not synchronised with
line
Crest factor 3:1
Total harmonic distor-
tion
3% THD (linear l ad) o
7% THD (non-linear load)
Dynamic response
(ms)
<=60ms/5%
Output (INV.
mode)
Wave form type True sine wave
Efficiency AC mode (full load) 85% 85% 88%
Battery mode (full
load)
83% 83% 85%
Battery system
Type 12V/7.2Ah 12V/7.2Ah 12V/9Ah
Number of batteries 3 6 6
Back-up time (full load) >7min. >7min. >5min.
Recharge time 4 hours to 90%
Charge current (max.) 1.1A 2.16A 2.7A
Charge voltage VDC (DC high) 41.0Vdc±0.5 82.0Vdc±0.5 82.0Vdc±0.5V
MD Series 86