Microtek Online Ups Max 3kva 72V Features and Specifications : MODEL ONLINE UPS 3KVA 1PH:1PH 72V RATED CAPACITY 3 KVA / 2700 Watts INPUT VOLTAGE RANGE (Load <50%) 110 ~ 300 V (± 5 V) INPUT VOLTAGE RANGE (Load >50%) 160 ~ 300 V (± 5 V) FREQUENCY 40 ~ 70 Hz PHASE Single Phase with Ground POWER FACTOR ≥ 0.99 @ full load OUTPUT OUTPUT VOLATGE RANGE 208 / 220 / 230 / 240 V AC FREQUENCY RANGE (Synchronized Range) FREQUENCY RANGE (Battery Mode) 47 ~ 53 Hz or 57 ~ 63 Hz 50 Hz ± 0.25 Hz or 60Hz ± 0.3 Hz THD (Linear Load) ≤2% THD (Non Linear Load) ≤4% OVERLOAD <130%, 5min turn to Bypass Mode >140% 1.5sec turn to Bypass CREST FECTOR 3:1 (Max) SHORT CIRCUIT PROTECTION 5 cycles turn Off Inverter, no transfer to Bypass, provide Alarm (AC Mode), 5 cycles turn Off Inverter, provide Alarm(Battery Mode), Input Fuse blown or Breaker action WAVEFORM Pure Sinewave TRANSFER TIME (AC Mode to Battery Mode) (Inverter to Bypass) ZERO <4 ms EFFECIENCY 85%~ 92% BATTERY DC VOLTAGE 72 V CHARGE CURRENT 9.5 Amps COMMUNICATION INTERFACE RS232,SNMP (Optional) INDICATION LCD Display NOISE LEVAL Less than 50dBA @ 1 Meter (With Fan Speed Control) UPS OVERLOAD / UPS SHORT CIRCUIT 110% / 300% WARRANTY Two Years