Application Field
5G base station, small program control switch,access network, transmission equipment, mobile communication, satellite communication ground station, microwave communication power equipment.
Performance Characteristics
Intelligent Management
1.Perfect battery management with LVLD+LVBD functions: temperature compensation, automatic equalization and floating charge control, automatic voltage regulation, battery capacity calculation, online battery testing, etc.
2.Communication interfaces RS485/dry contact AC and DC side lightning protection design for thunderstorm areas.
3.Optional APP to realize remote meter reading function.
4.Built-in wireless monitoring unit to realize NB-IOT access to each user’s monitoring network.
Advanced Technology
1.Active power factor compensation technology: input power factor 0.99.
2.Wide input voltage range: AC input voltage 90～290V Full-bridge soft switching technology: full-load efficiency ≥ 95%.
3.Wide working temperature : -40℃~55℃.
4.Ultra low radiation and advanced EMC design.
5.Safety standards EN60950 and GB4943.
Flexible Design
1.Output 48VDC and 280VDC modules for selection.
2.IP65 to meet the application of wall hanging, pole holding, angle steel erection, etc., and supports installation with flag mounting, flat mounting, and floor mounting.
3.Modular design for easy installation, simple operation and maintenance.
4.LiFePo4 battery pack and battery expansion connector reserved for easy expansion.
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Performance |
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Model |
HW20E-L50DC48 |
HW30E-L50DC48 |
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Capacity |
2000W/48V＋48V/50Ah |
3000W/48V＋48V/50Ah |
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Input Voltage |
176VAC～264VAC |
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Input Frequency |
45Hz～55Hz |
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Input Power Factor |
＞0.98（30%rated load）；＞99%（100%rated load） |
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Output Voltage |
－43VDC～－58VDC |
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Output Voltage Stabilization Accuracy |
＜±0.6% |
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Conversion Efficiency |
＞96.5%（50%rated load）；＞96%（100%rated load）； |
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Peak To Peak Noise Voltage |
≤200mV |
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Source Effect |
≤±0.1% |
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Load Effect |
≤±0.5% |
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Input Over Voltage Protection |
≥120% of rated voltage |
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Input Under Voltage Protection |
≤80% of rated voltage |
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Output Over Current Protection |
The current limiting range of output current can be adjusted from 20% to 110% of its nominal value |
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Short Circuit |
Yes |
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Over Temperature Protection |
Yes |
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Lightning Protection |
Can withstand 5 times of impact of simulated lightning current waveform 8/20us, 20kA |
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System Noise |
＜45dB（A） |
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Communication |
Dry contact、RS232/RS485、NB-IOT、Bluetooth, Wireless, Etc. |
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Protection Class |
IP65 |
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Size |
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Power Module |
W306mm×D98mm×H410mm |
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Battery Module |
W316mm×D220mm×H410mm |
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Weight |
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Power Module |
10.8kg |
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Battery Module |
34.4kg |
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Parameter |
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Working Temperature |
-40~65°C ( ≥65℃, output power derating) |
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Storage Temperature |
-40~80°C |
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Humidity |
10~95% (non-condensing) |
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Atmospheric Pressure |
70~106KPa |
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Altitude |
0~3000m |
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Cooling Mode |
Natural cooling |
Antistatic Environment
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Item |
Parameter |
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AC To GND |
The effective value is 2500V AC voltage (leakage current ≤ 30mA) or 3535v DC voltage with its peak value for 1min, without breakdown or arc. |
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AC To DC |
The effective value is 2500V AC voltage (leakage current ≤ 30mA) or 3535v DC voltage with its peak value for 1min, without breakdown or arc. |
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DC To GND |
The effective value is 500V AC voltage (leakage current ≤ 30mA) or 707V DC voltage with its peak value for 1min, without breakdown or arc. |
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Insulation Resistance |
When the ambient temperature is 15 ℃～ 35 ℃, the relative humidity is ≤ 90%, and the test voltage is DC 500V, the insulation resistance of AC circuit, DC circuit to ground and AC part to DC part shall not be less than 2M Ω |
* Specifications are subject to change without prior notice
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