TECHNICAL SPECIFICATIONS FOR ONLINE UPS 3Ph to 3Ph – Maxima Series
Maxima
MAXIMA Series 20KVA





Model MPS 20
Rating 20 KVA
AC INPUT 415V + 15% -20% Three Phase Input
Frequency 50Hz ± 6%
DC VOLTAGE: 360 VDC
Charging Time 12 Hours for 90% of full Capacity
Charger Type CVCC Internal Controlled Rectifier type
INVERTER:
Technology IGBT Double Conversion
Output Voltage 400V AC Three Phase 
Voltage Regulation ± 1% for DC I/p variation  & o/p load  variation
Frequency 50Hz ± 0.05Hz
Waveform PWM Sine wave
Harmonic Distortion Less than 3%
Inverter Efficiency > 92%
Power Factor 0.8
Overload 150% for 60 sec
Crest Factor 3:1
Transient Recovery ± 4% under full load change and corrected within 60msec
Phase Displacement 1200 ± 10
Audible Noise Less than 50 dB at 1 Meter
 
METERING:
Microprocessor based Digital LCD Meter for R,Y,B Output Voltage, Output current & Frequency, DC Voltage , Battery and Load Percentage
 
GENERAL:
Dimensions (LxWxH)mm 1040x 350x910
Operating temperature 00C to 500C
Humidity Max 95%, Non-condensing
 
PROTECTIONS :
Output Overload  & Short circuit, Output Under & Overvoltage, DC Under & Overvoltage  Input Under & Overvoltage, Single Phasing & Phase unbalance
 
INDICATIONS & ALARMS
a) Mains on Indication
b) Inverter on Indication
c) DC Low Indication & Alarm
d) fault Indication & Alarm
e) Output Overload Indication & Alarm
f) Mains fail Indication & Alarm
 
BYPASS FACILITY
Static Bypass Switch(Optional) Bi-directional
   
* Specifications are subject to change without prior notice due to constant improvement in design & technology