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  • Low Frequency Online UPS - Low Frequency Online UPS 3 in 1 out 3~30KVA
  • Low Frequency Online UPS - Low Frequency Online UPS 3 in 1 out 3~30KVA

Low Frequency Online UPS - Low Frequency Online UPS 3 in 1 out 3~30KVA

Low Frequency Online UPS

Low Frequency Online UPS 3 in 1 out 3~30KVA

Industry Automation protection

Power Protection for Transportation, Electricity, Medical service, Stadium

Small Data Centers

Communication Network Management Center

Office Automation

Experimental Instruments




Title: Mr. Ms.



CONVOY MF11/31 series 3~30KVA low frequency online UPS is transformer based, which address the customers' needs for high reliability, stability, stability and quality. Features with double conversion topology, input harmonic filter, IBGT based SPWM inverter, MF11/31 series offer load perfect Sine wave to fulfill all kinds of businesses' requirement for highly reliable, highly stable, high quality, uninterruptible power supply.


  • Advance Architecture

    Online Double Conversion, complete isolation between load and


    Output isolation transformer based

    Input Surge Protection

    Input surge protection board design for higher grid adaption

    Superior Overload Capacity

    Superior overload capacity and short circuit capacity to ensure system stability and safety under extreme harsh condition

    Highly Environment Adaptive

    Wide input voltage tolerance

    Wide input frequency range

  • Intelligent Fan Speed Regulation

    Automatically adjust fan speed according to inside temperature and load rate to obtain lower noise, longer fan life and less energy consumption

    LCD+LED Display

    LCD+LED display provides real time UPS operating status and parameters information

    DC Cold Start

    Start the UPS into battery (charged) mode directly, convenient operation option for user

  • Full Protection

    Self-diagnose when starting, Full software and hardware protection (short circuit, inverter overheat, battery voltage low & high, surge)

    Multiple Connectivity Choice

    Standard: R232, Optional: RS485, SNMP Dry contact card, Flexible connectivity for real time management

    Abundant Options

    Input isolation transformer Bypass isolation transformer Dry Contact card



Technical data

Model MF3110 MF3115 MF3120 MF3130
Capacity(KVA/KW) 10/8 15/12 20/16 30/24
Main input Nominal voltage(Vac) 380
Voltage range(Vac) 304~456
Phase three phase five wire(3L+N+PE)
Frequency range(Hz) 50(60)±10%
Input power factor >0.95(with filter)
Bypass input Nominal voltage(Vac) 220
Voltage range(Vac) 160~275
Phase single phase three wire(L+N+PE)
Bypass tracking(Hz) 50(60)±5%
  Voltage(Vac) 220±1% or 230V±1%
  Power factor 0.8
  Frequency(Hz) 50(60)
  Wave Form Sine wave, THDV<2%(linear load)
  Transfer time(ms) 0
  System efficiency ≥85% ≥92%
  Overload 100%~110%:long term;
  Battery voltage(Vdc) 192 240
  Operating temperature(℃) -10~40
  Storage temperature(℃) -25~55(battery excluded)
  Humidity range 0~95%(no condensing)
  Operating altitude <1500m
  Noise(dB) <55
Other Characteristic
  Alarm function Overload, main fault, UPS fault, battery voltage low, etc
  Protection function short circuit, overload, overheat, battery voltage low, 
surge protection (optional)
  Communication interface standard: RS232 optional: RS485/SNMP/Dry contact card
  Dimension(W×D×H)mm 380×660×980 380×660×980 380×660×980 530×670×1200
  Net weight(kg) 135 200 245 300
  Standards YD/T1095-2008