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Modular UPS MR33 Series (25-600kVA)

Modular UPS MR33 Series (25-600kVA)

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.

  • Key Features
  • Technical Data
  • Related Solutions


Full Digital Connection, Flexible Online Scaling

• Advanced dual DSP control technology; accurate and fast data processing; optimized circuit design; fast fault self-diagnosis and repair capabilities; higher reliability

• Online capacity scaling available without the need for additional attachments to implement N+X parallel connection. The system has the parallel redundancy and parallel capacity scaling modes making application much more flexible and compatible with more parallel connections

• Safe and reliable digitalized digital parallel uniform stream technology; more balanced parallel loads ensures quality power is delivered to high demanding IT equipment and ensures safe operation of user equipment


Synchronized and Unhindered, Guaranteed Safety

• Has BSC output to solve the problem of unsynchronized power input

• Pure digital technology; powerful anti-interference capabilities provides quality power to loads


High Power Density, Optimized Structural Configuration

• Large 320kVA capacity for a single cabinet; occupies only 0.5 square meters of floor space, optimized structure design greatly reduces floor space usage and land investment costs

• Has cable entry on the top of the cabinet to satisfy different scenarios

• Host and battery equipped with protective mechanisms for reliable double layered protection

• Module terminal uses carefully selected high strength material to ensure module reliability and hot swapping


Great Power Grid Adaptability

• Prevents frequent switching between power grid and battery power and extends battery life

• Smart generator control gives a better generator configuration and control solution for better compatibility


Environmentally Friendly Energy Saving Design

• Uses the latest IGBT rectifying technology with ultra-low input harmonics; eliminates power grid pollution, reduces power factor compensation and harmonic control costs and reduces wire attenuation. Protects the load as well as the power grid at the same time

• Input power factor is close to power factor; improved energy utilization and reduced UPS front-end power distribution costs and client investment costs


Outstanding Metrics, Improved Efficiency

• Overall system efficiency of up to 96% with great energy savings (heat from the UPS and cooling energy consumption), reduced operation costs

• Default power factor of 1.0; greater power output for the same price; better cost effectiveness and complies with the developing trend of increasing power factor for IT products

• When the power quality from the mains grid is high, ECO mode can be used to provide power to the load. Overall system efficiency can reach up to 99% resulting in significant energy savings


Complete Protective Functions and Failure Warning

• Component failure pre-warning function, nips the problem of system failure and associated risks at the bud

• Smart battery disconnection detection and battery circuit abnormality warnings reduce operation and maintenance costs and risks


Highly Efficiency Rotating Module Sleeping

• Module sleep technology improves operation efficiency and reduces operation costs

• Maintenance cycle effectively extends battery life and improves overall system efficiency


MODEL

MR33125

MR33200

MR33320

MR33480

MR33600

Power Module

MR3325-J

MR3340-J

INPUT

Rated Voltage (Vac)

380/400/415

Voltage Range (Vac)

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%

Phase

3Φ4W+PE

Battery Voltage (Vdc)

±192 (±180~ ±240 settable)

Charging Current (A)

10 Maximum (single module)

OUTPUT

Capacity(kVA)

125/125

200/200

320/320

480/480

600/600

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

≤2 degrees

Waveform Distortion

≤ 3% (linear load)

Static Bypass Transfer Time

0

Max. System Efficiency

96%

Parallel Mode

Advanced no-master-slave parallel technology, N+ 1 redundancy

Overload Capacity

105-115% load for 60 minutes, 116%-130% load for 10 minutes,

131%-150% load for 1 minute

OTHERS

Approvals

CE (EN62040-2, IEC62040-1)

Operating Temperature ()

0~40

Storage Temperature ()

-40~70

Relative Humidity

0%~95% (no condensing)

Communication Function

RS485, dry contact (SNMP optional)

Noise (dB)

< 65

< 70

Power Module (kVA)

25

40

Power Module Dimension

(W×D×H) mm

500x700x130

Power Module Weight (kg)

32

33

Dimension (W×D×H) (mm)

600×900×1400

600×860×2000

1200×860×2000

1800×860×2000

Weight (kg)

347

412

527

854

1250


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