Product > Online UPS > Three Phase In & Three Phase Out
LF-Series  UPS
       • True online double conversion design providing toatl power protection
       • Sinewave ulse width modulation
       • IGBT inverter design
       • Wide input voltage range
       • Pure sine waveoutput with lessthan 3% THD
       • Expandable Back-up time
       • Generator compatiable
       • Cold start
       • Load / Battery power meter display
       • Overload, on-line, battery status LED / LCD
       • Advanced battery management
       • Automatic charging iin UPD off mode
       • Zero transfer time on AC mode to / from battery mode, AC mode to / from bypass mode
       • Smart RS-232 communication with monitoring software
    TECHNICAL INFORMATION / SPECIFICATIONS
    Input  
    Nominal Input Voltage 380 / 400 / 415VAC
    Input Range 350 - 460VAC
    Input Frequency 45-55Hz
    Output  
    Output Voltage 1 Phase models - 230VAC
    Output Voltage Tolerance 3 Phase models 380/400/415VAC (Selectable through PC) ±1% for static balanced load,  ±5% for unbalanced load
    Output Frequency 50Hz ± 0.1%
    Load Power Factor 0.8
    Waveform Pure Sin Wave
    Distortion <3% THD for linear load
    Inverter Efficiency >92%
    Overall Efficiency >89%
    Crest Factor 3:1
    Over Load >125% for 10 minutes & 150% for 1 minute
    Others  
    DC Battery Voltage 384VDC
    Noise <60 db at 1 meter
    Envirnment 0-040 C, 90% RH (Non-condensing)
    Cooling Forced air
    Options
    Softwar for auto shutdown
    SNMP for remote monitoring
    Potential free contacts for remote indications & shutdown
    Green Power : Almost unity power factor, Input current distortion <9%, Compatibility with almost same capacity genrator
    Remote emergency power off
    Voltage stabiliser in bypass line
    Battery Management System
    Parellel Redundancy
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