Lifts Elevators Battery BackUp System/ELOS
Input  Section AC  input  source  -   Three  Phase
Voltage 415  VAC  ±  15 %,  50 Hz   ±   5 Hz  
Protections : Phase  Sequence  &  Single  Phase  Prevention 
DC Working Voltage 72 VDC/ 96 VDC/ 120 VDC/ 180 VDC/ 240 VDC/ 360 VDC
Output  Section Three  Phase  IGBT  Based 
Output  Voltage 230  VAC   Per  Phase in Inverter Mode. On Mains mode as it is pass to O/P. 
Voltage  Stability ±  2 %  for  DC  input  variation  &  Output  load  variations
Frequency 50 Hz   ±   0.05 Hz   { Crystal  controlled }
Power Factor 0.7  Lag  to  Unity
Crest Factor 3 : 1
Wave Form True Sine Wave
Harmonic Distortion < 3%
Efficiency > 92%
Overload 110 % for   60 seconds
Transient  recovery Within  20  msec { 1 cycle }
  Less  than  45  db  at  1  meter  distance   from  the  system.

Protections                    Input -

                                    Output -

DC  Under  Voltage,  DC  Over  voltage,

AC   Under  Voltage,  AC  Over  voltage,  Overload
Metering                     Output - OPTIONAL  -  LCD  Meter with scanner  
TECHNOLOGY

Pulse  Width  Modulation  { Switching  frequency -12.8 kHz }

Switching  devices  for  Inverter  section  -  IGBT
General  
Operating Temperature 5º C to  55º C  
Relative Humidity Peak   55º C  at  95% RH (  Non – condensing )
Housing  
Type Self-supporting steel cubicles with Caster wheels
Finish Epoxy Powder Coating
Battery  
Type Sealed  Maintenance  Free  /  Tubular  Maintenance