Afa Digital OnLine UPS 20 KVA

Model: Alfa Digital UPS 9320

  • Features
  • Specifications
  • Catalog
  • User Manual
  • Drivers

True Sinewave Double Conversion On-Line UPS
Microprocessor Control Guarantees High Reliability
Extended Back-up Time with External Battery Bank
Unite Input Power Factor and Wide Input Range
DC Start and Automatic Self-diagnostic Function
RS-232 Communication Port and Built-in SNMP Slot
High Efficiency Design to save Electricity
Low Heat Dissipation in Long Time Operation
Designed to operate under Harsh Environment
Enhanced Protections against Lightning Surges, Disturbances, etc.
3Phase for Input & 1Phase for Output



9315 L-31

9320 L-31
  15KVA/10.5KW 20KVA/14KW
Input   Phase 3P4W+G
Frequency Range 50Hz or 60Hz (Auto Sensing)
Power Factor 0.95
Acceptable Voltage 304VAC~478VAC +/-3%
Output  Phase 1P2W+G or 1P3W+G(with ISO Transformer)
220/230/240VAC or 110/220VAC;115/230VAC;120/240VAC
Voltage Regulation +/- 1%(+/-2% with ISO Transformer)
Frequency 50Hz or 60Hz
Frequency(Battery Mode) 50Hz or 60Hz +/- 0.05 Hz
Overload Capacity 105% ~ 130% for 1 min,> 130% for 1s
Crest Ratio 3:1
THD 2%(Linear Load) or ≦ 6%(Non-Linear Load)
Output Waveform Pure Sinewave
Efficiency     To AC mode 88%
To Battery mode 88%
Battery    Battery Type Depending on the capacity of external batteries.
Numbers of Batteries Depending on the capacity of external batteries.
Back-up (Full load) Depending on the capacity of external batteries.
Recharge Time Depending on the capacity of external batteries.
Charging Current (Max.) 4.2A
Voltage 240V
Transfer time AC to DC or
Inverter to Bypass
 Display  LED Normal(Green),Bypass(Yellow),Inverter(Green),Battery(Yellow)
Load%(5 LED),Battery%(5 LED),Fault (Red)
LCD UPS status,I/P & O/P Voltage & Frequency,Load %,Battery %,Temp.
Audible Alarm Battery Mode Sounding every 4 seconds
Low Battery Sounding every second
Overload Sounding twice every second
Fault Beeping continuosly
Dimension   UPS Case(D*W*H) 570*260*717mm
Battery Bank(D*W*H) 695*260*717mm
Weight Main UPS (Net) 55Kgs
Battery Bank Depending on the battery quantity
Environment     Operating Temperature 0 ~ 40°C (32°F ~104°F)
Acoustic Noise < 60dB at 1M
Interface Smart RS-232 Windows 98/NT/2000/XP/2003/ME/Vista,Linux, Sun Solaris, IBM Aix, Compaq True64, SGI IRIX, FreeBSD, HP-UX, and MAC
SNMP Slot Power management from SNMP manager and Web browser (SNMP Optional)
ISO 9001-2000



© 2010 - Alfa Digital Email:
Developed By: Webworx Technologies