KR33 Series 50-200kVA

KR33 Series 50-200kVA

Green Power

  • Input PF >0.996 and THDi<5%, less power pollution and lower TCO
  • AC/AC efficiency up to 96%, less operation cost and more energy saving
  • Output power factor up to 1, more powerful to connect more critical loads
  • Compliance with RoHS standard, innocuous and environmental friendly
  • Design in accordance to International EMC and Safety standard
  • 3 level IGBT technology for higher efficiency and minimized interference to grid

Outstanding Profitability

  • Minimium 0.3825 m2 footprint for 120kW, save delivery cost and easy for installation


  • SNMP or RS485+ dry contact (option)

Advanced Technology

  • Super wide input voltage range -60%~+25% for higher grid adaptability
  • Fully digital interconnection technology
  • Dual DSP control for high performance
  • Intelligent fan speed control reduce noise and prolongs fan life
  • Anti-corrosion resistant coating for all PCB boards
  • Full protection with input, output, bypass, maintenance bypass and battery breaker
  • ECO mode and EPO function
  • Built-in battery quantity: 32-72 pcs configurable
  • Frequency converter function (60Hz to 50Hz or 50Hz to 60Hz)
  • Self-load test function without load enables onsite commission
  • Easy onsite parallel modification
Items KR3350 KR3380 KR33100 KR33120 KR33160 KR33200
Voltage (Vac) 380/400/415(138~485 L-L)
Frequency (Hz) 40~70
Bypass   Voltage (Vac) 380/400/415: -20%~+15%
Power Factor ≥0.99
Phase 3φ4W+PE
Capacity (kVA) 50 80 100 120 160 200
Power Factor 1
Voltage (Vac) L-N: 220/230/240±1%L-L: 380/400/415±1%
Frequency (Hz) 50/60±0.1 (battery mode)
Phase 3φ4W+PE
Unbalance 3-phase voltage stabilization with fullload  ≤2%
Waveform Pure sine wave, THD<1% at linear
Transfer   Time (ms) 0
Efficiency up to 96%
Overload 105%~110%   load for 60mins; 111%~130% load for 10mins; 131%~150% load for 1min; >150%   load for   200ms
Battery Voltage (Vdc) ±192(±180/±204/±216/±228/±240 settable for long backup  type)
BATT Type External
Charging Current (A) 10 20 20 30 30 40
Communication Interface RS485,   MODBUS, dry contacts(RS232,   SNMP, expand dry contact card are optional in slot)
Display Touch screen+LED
Alarm AC input abnormal, low battery, overload,  failure
Protection Output short-circuit, overload, over temperature, battery low voltage, output over/low    voltage
Noise (dB) <65
Working Temperature (℃) -5~40
Relative Humidity 0~95%, no condensation
Dimension (W×D×H)(mm) 450×840×967 450×840×1400 600×900×1600
Weight (kg) 120 210 210 242 270 300
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