Products

ML 31T

The ML31T series is a three phase to single phase online UPS with transformer. It is suitable for inductive loads and for high efficiency requirements.

  • Features & Benefits

  • Technical Specifications

  • Documentation

    • Double Conversion Online UPS
    • Intelligent Microprocessor Control
    • Wide Input Range
    • True Galvanic Isolation
    • Heavy Duty Charger
    • Cold Start on Battery
    • High Efficiency
    • Compact Size
    • True Sine Wave Output
    • SNMP compactable
    • Suitable for 100% Unbalance Load
    • Suitable for Inductive Load
Capacity
  10 KVA 15 KVA 20 KVA 25 KVA 30 KVA 40 KVA 50 KVA
Input
AC Input 415 V + 15% -20 % Three Phase Input
Frequency 50Hz ± 6%
DC Voltage 360 V DC
Charging Time 8 - 10 Hours for 90% of full Capacity
Charging Type CVCC Internal Controlled Rectifier type
Inverter
Technology IIGBT Double Conversion
Output Voltage 230V AC Single Phase
Frequency 50 Hz ± 0.05 Hz
Voltage Regulation ± 1% for DC Input Variation and Output Load Variation
Wave Form 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 Response ± 4% under full load change and corrected within 60 millisec
Audible Noise Less than 45 dB at 1 Meter
Metering  
Microprocessor Based Digital LCD Meter for Output Voltage, Output current & Frequency, DC Voltage & Current, Battery and Load Percentage
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
Bypass Facility  
Manual Bypass Standard Feature
Static Bypass Bi-directional (Optional)
General  
Humidity Max 95%, Non-condensing
Operating Temperature 0°C to 50°C
Dimensions (LxWxH) in mm 710x350x850 1050x350x950 1250x450x1200

Specifications are subject to change without prior notice due to constant improvement in design & technology
Custom models available on request

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