• +(91) 28113089, 9811017033
  • info@ldsups.in

Our Products

Skip Navigation LinksHome > Products > Product Details

three phase online ups


LDS THREE PHASE ONLINE UPS reliable range is loaded from 330V-470V available in Online and IGBT based technology.THREE PHASE ONLINE UPS provides capacity ranges from 5kVA to 200kVA equipped with Automatic Voltage regulator with wide variety of Backup Range to meet the needs of customer.Online UPS can be paired with equipments ranges from computers to heavy duty equipments and equipped with various alarming services to notify the user in certain situations such as main trip and rectifier trip as well.


  • Protects from power interruption that affects capacity and immobilize equipment.
  • Appealing appearance.
  • Easy to use with no confusion for users.
  • Smart Charging Technology ensuring longer battery life & faster charging.
  • Highly reliable.

Technical Details

Parameter Specification
INPUT Voltage 330V to 470V, 3 Phase 4 wire
INPUT Frequency 47Hz to 53Hz
INPUT Power Factor Better than 0.92
OUTPUT Capacity 5 KVA - 200 KVA
OUTPUT Type ONLINE, IGBT based technology
OUTPUT Voltage 400/415Volts PH to PH
OUTPUT Voltage Variation ±0.5%
OUTPUT Frequency 50 Hz
OUTPUT Frequency Regulation ± 0.01% (in non-sync mode)
OUTPUT Wave form Sine wave
OUTPUT Harmonic Distortion < 3% THD for linear load
OUTPUT Overload Rating 125% for 10 minutes, 150% for 60 seconds
OUTPUT Regulation Better Than 1%
Nominal DC Bus Voltage 360Volts
DC Bus volts Ripple Less than 2%
Battery isolation DCCB
Battery type SMF
Inverter Efficiency Better than 95%
Overall Efficiency Better than 92%
Rectifier PROTECTIONS I/P AC Over voltage / Under voltage, DC Over voltage, Battery Charging Over current, Single Phase Failure, Over temperature.
Inverter PROTECTIONS O/P Over voltage / Under voltage, O/P Overload, O/P Short-circuit, DC Under voltage, Over temperature.
AUDIO ALARM Rectifier Trip, Overload, Mains Fail, Battery Low Pre-alarm, System Trip.