ST31 10-20K Online UPS

//ST31 10-20K Online UPS

ST31 10-20K Online UPS

ST31 10KS-20KS is a double conversion topology on-line UPS with extremely low failure rate and easy repair(MTBF>100000h) .It offers ideal solution for the major power quality problems such as grid power failure, under voltage, over voltage, sag, surge, line noise, frequency variation, switching transient, harmonic distortion efficiently, and provides a reliable power protection to the customer equipment.ST10-20KS is applied with leading DSP control technology and offer multiple and extendable options to meet the increasing customized application demand.

  • Rated Power: 10-20KVA
  • Single phase (1/1) or three phase (3/1) input 
  • High efficiency: 94%
  • Battery Voltage: 192/240VDC





  1. DSP control with comprehensive protections for load and UPS
  2. Output power factor 0.9,offering more stronger load capability
  3. Intelligent fan speed control ,with 4 levels varying according to load and temperature
  4. High efficiency, (ECO mode)option
  5. Intelligent N+X parallel redundancy, up to 4 unit
  6. Conformal coating PCB for more critical operation environment
  7. Single phase (1/1) or three phase (3/1) input supply
  8. Convertor mode:input 50Hz,output 60Hz
  9. Advanced three electrical level inverter design.
  10. Extremely low failure rate and easy repair(MTBF>100000h)
  11. Multiple communication ports ,SNMP card, AS400 card(optional)