uninterruptible power management

Three Phase UPS-MFS3120L20

BP 650
Key Features & Application


  • True double-conversion
  • DSP technology guarantees high performance
  • Output power factor 0.8
  • Wide input voltage range (110-300 VAC)
  • Active power factor correction in all phases
  • 50Hz/60Hz frequency converter mode
  • Eco mode operation for energy saving (ECO)
  • Accepts dual power inputs
  • Emergency power off function (EPO)
  • Generator compatible
  • SNMP+USB+RS-232 multiple communications
  • 3-stage extendable charging design for optimized battery performance
  • Adjustable battery numbers
  • Maintenance bypass available
  • Optional N+X parallel redundancy
  • Optional isolation transformer offers full isolation and complete common mode noise rejection
Capacity (VA) 20KVA
Nominal Voltage 380/400/415 Vac; (3Ph+N+PE)
Operating Voltage Range 208 ~ 478 Vac
Operating frequency Range 50Hz:45-55Hz; 60Hz:54-66Hz
Power factor ≥ 0.99
Bypass voltage range Max. voltage: +15% (optional +5%, +10%, +25%)
Min. voltage: -45% (optional -20%, -30%)
Frequency protection range: ±10%
ECO Range Same as bypass
Harmonic distortion (THDi) ≤5% (100% nonlinear load)
Output voltage 220/230/240Vac
Power factor 0.9
Voltage regulation ± 1%
Frequency Line Mode ±1%/±2%/±4%/±5%/±10% of the rated frequency (optional)
Bat. Mode (50/60±0.2%)Hz
Crest factor 3:01
Harmonic distortion (THD) ≤2% with linear load; ≤5% with non linear load
Efficiency >93%
Battery voltage ±96V\±108V\±120Vdc; battery quantity(optional)
Backup time Depends on the capacity of external batteries
Charge current Max. current 10A
Transfer time Utility to Battery:0ms; Utility to bypass:0ms (following)
Overload Load ≤110%:60min; ≤125%:last 10min; ≤150%:last 1min; ≥150% :shut down
UPS immediately
Short Circuit Hold Whole System
Noise Suppression Complies with EN62040-2
Comunication interface USB, Optical coupler dry contact, SNMP card, Parallel card, Relay Card
Operating temperature 0°C ~ 40°C
Storage temperature -25°C ~ 55°C
Humidity Range 0 ~ 95%(non condensing)
Altitude < 1500m
Noise level <55dB
Dimension WxDxH (mm) 250x502x616
Weight (Kg) 46 Kg
Safety IEC/EN62040-1, IEC/EN60950-1
EMC IEC/EN62040-2, IEC61000-4-2, IEC61000-4-3, IEC61000-4-4, IEC61000-4-5, IEC61000-4-6, IEC61000-4-8