Ncts-qstrom pro 3000va
3000va / 1800w
capacity
3000va/1800w
input
220vac
voltage
vac
voltage range
140~300vac
frequency range
50/60hz (auto sensing)
output
ac voltage regulation (batt. mode)
±10%
frequency range (batt. mode)
50/60hz ±1 hz
transfer time
typical 4-8ms, 13ms max.
waveform (batt. mode)
simulated sinewave
battery
battery voltage
48vdc
battery type & number
12 v/9ah×4
typical recharge time
6~8 hours recover to 90% capacity
indicators
lcd display (lcd version)
ac mode, battery mode, load level, battery level,
input voltage, output voltage, overload, fault, and battery low
protection
full protection
short circuit, overload, overcharge and overdischarge protection
alarm
battery mode
sounding every 10 seconds
low battery
sounding every second
overload
sounding every 0.5 second
etc...