Pro Series 3Ph Inverters

With Luminous Pro range of UPS systems, you get an advanced solution that simply doesn’t stop during power cuts! It’s the perfect solution if you’re running electronic appliances, sensitive machinery, medical equipment, or have heavy power requirements. Examples of specialist needs, for the Pro Series of solutions, are mentioned below.


  • DSP Based Design
  • Solid State Design
  • Pure Sine Wave
  • Power Factor Corrected IGBT Based Charger
  • Input Current Harmonics
  • Wide Input Voltage And Frequency Range
  • Unbalance Load Handling Capability
  • Redundancy Options
  • User Friendly Dispaly
  • Remote Monitoring


  • Offices
  • Hotel
  • Hospitals
  • Malls
  • Manufacturing units
  • Residential
  • Eductaional institutions
  • Elevators


Parameters 15KVA 20KVA
Topology DSP controlled,IGBT based,with transformer
DC Voltage 240VDC 360VDC
PF 0.8
Configuration 3P + N + E(3 Phase, 4 Wires + Earth)
Output voltage setting 400/380V Phase-Phase(230/220V P-N)on Battery
Output voltage regulation on battery (± 2%)
Output frequency on battery 50 Hz ± 0.5 Hz
Output voltage in mains mode Same as Input
Output frequency in mains mode Same as Input
THD (Resistive load) <3% linear load           <7%non-linear load
Overload 110% for 5 min 150% for 15 sec 200% for 7 sec 300% for 3 sec
Efficency .=88%:inverter mode .98% (excluding charging), .95% (including charging): mains mode
Transfer .Mains to inverter 1 sec/0.5 sec(user selectable) .Inverter to mains, no break < 2 msec
Transient response ±5%
Recovery time <60msec to ±2% of nominal voltage
O/P voltage regulation on 100% unbalanced load ±5%
Crest factor 3:1
Nominal input voltage 415V, 50Hz, 3 phase + neytral
Voltage range 150-280V/180-270V/190-260V(single phase) | 260-485V/312-468V/329-450V(Three phase)
Frequency range 50Hz ± 6%
PF 0.85 to 0.92
Current distortion <15% – charger mode
Battery Charger
Type Float-boost, CVCC type
Battery Selection SMF/Flat/Tubular
No of batteries 20 30
Charging current event at lowest range 10A / 15A / 20A (selectable)
Backup time Batteries dependant
Ambient temperature 45° C
Humidity 95% RH-humidity
Noise Level 55 db
Dimensions(WxHxD in mm) 400x755x680 400x755x680
Dimensions(Weight in kg.) 125 130
IP protection
Class IP20
Cooling Forced air cooled
.Input Breaker .Input phase reversal .Mains Low/High Cut
.Battery Breaker .DC Low/Over Voltage .Reverse Battery
.Dead short circuit .High Temperature .Short circuit
LCD Dispaly + LED
LED indication .Battery charging / charged .Iverter ON .Overload/short circuit
.Battery low .Phase reversal
LCD display DSP sine wave Output Voltage Battery Voltage Mains Low Cut
Input Voltage Output Load in % Boost Voltage Mains High Cut
Input Frquency Output Frequency Float Voltage Inverter Switch On
Charging Current
Battery Type
Selection switches
User selection Switches .Inverter ON .Battery type selection(SMF/Flat/Tubular)
.Manual bypass .Charging current selection(Low/Medium/High)
.LCD display parameters scroll /hold .Output Voltage selection 220V /230V
.Input window selection (Narrow/Medium/Wide) .Mains to inverter changeover selection (Low/High)
Automatic phase reversal correction Yes
Operation on two phases In the event of any one phase failure the single phase load will keep running on two healthy phases in mains mode
Redundancy options 100% hot standby
Temperature compensated charging Yes
Monitoring Web monitoring,event logging, remote indication panel,sms-mail generation
DG control DG control from inverter

Due to continuous product improvement, the specifications are subject to change without prior notice.