MR33 Series 50-600kVA
The Kehua MR33 series modularized 3-Phase in, 3-Phase out UPS utilizes advanced 3 level inverter technology, a more reliable redundancy design from the entire system down to the components, and digital technology interconnection. It has the advantages of high efficiency, high power density, easy scaling, scaling on demand, and occupies only a small amount of floor area and provides safe, reliable, and clear environmentally friendly power to loads.
Advanced Technology
● Online double conversion
● Battery cold start function
● Advanced power module sleep mode
● Dual system control card
● Self-load test function
● Redundant design
● Compatible with lithium battery
Excellent Flexibility
● Allow 100% three phase unbalance load
● Intelligent battery management
● Parallel expansion up to 8 units
● Fault Trace Management (FTM)
● Programmable dry contacts
● Fault Trace Management
(Black box)
● Bypass power source N+1
Green Power
● Efficiency up to 96%
● Intelligent fan speed control
● ECO mode and EPO function
| MODEL | MR33120 | MR33200 | MR33300 | MR33400 | MR33500 | MR33600 | |
|---|---|---|---|---|---|---|---|
| Power Module | MR3330-J | MR3350-J | |||||
| Capacity (kW) | 30 | 50 | |||||
| INPUT | |||||||
| Rated Voltage (Vac) | 380/400/415 | ||||||
| Voltage Range (Vac) | L:L 138~485 | ||||||
| Input Frequency (Hz) | 40~70 | ||||||
| Bypass Voltage Range (Vac) | -15% (-20%/-30% optional) ~+15%(+10% /+20% optional) | ||||||
| Power Factor | ≥0.99 | ||||||
| THDi | 3% (linear load) | ||||||
| Phase | 3Φ4W+PE | ||||||
| Battery Voltage (Vdc) | ±192 (±168~±276settable) | ±192 (±180~±276settable) | ±240 (±168~±276 settable) | ||||
| Charging Current (A) | N×10 Maximum (N: the number of power modules) | ||||||
| OUTPUT | |||||||
| Capacity (kVA) | 120 | 200 | 300 | 400 | 500 | 600 | |
| Power Factor | 1 | ||||||
| Phase | 3Φ4W+PE | ||||||
| Waveform | sine wave | ||||||
| Voltage (Vac) | L-L:380, 400, 415±1% | ||||||
| Frequency (Hz) | 50/60± 0.2% (battery mode) | ||||||
| Three Phase Difference | ≤1 degrees | ||||||
| THDv | ≤1% (linear load, full load), ≤4% (nolinear load, full load) | ||||||
| Static Bypass Transfer Time | 0 | ||||||
| Max. System Efficiency | 97% | ||||||
| Parallel Mode | Advanced no-master-slave parallel technology, N+1 redundancy | ||||||
| Overload Capacity | 106-110% load for 60mins, 111%-130% load for 10mins, 131%-150% load for 1 min, 151%-200% load for 200ms | ||||||
| GENERAL | |||||||
| Working Temperature (°C) | -5~40 | ||||||
| Storage Temperature (°C) | -40~70 | ||||||
| Relative Humidity | 0%~95%, no condensing | ||||||
| Battery Type | Lead-acid batteries and lithium iron phosphate batteries | ||||||
| Communication Interface | RS485, RS232, dry contact (SNMP optional) | ||||||
| Noise (dB) | < 65 | < 70 | |||||
| Dimension (W×D×H) (mm) | 600×860×2000 | 1200×860×2000 | |||||
Weight (kg) | Cabinet | 180 | 224 | 236 | 427 | ||
| Bypass Module | 17 | 19 | 25 | 25 | 31 | 31 | |
| Power Module | 27 | 33 | |||||
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