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  • Guangzhou VOITA Electronic Technology Co.,Ltd.
  • Phone:+86 15876532906
  • Email:[email protected]
  • Address:Room 2211,Building C,Floor 2nd,No.,1 KuiLongWei ,WenChong Street,HuangPu,Guangzhou,Guangdong,China

High Power 380VAC 3 Phase 37.5KW 500V 75A Constant Current Constant Voltage Power Source
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Product Name:High Power 380VAC 3 Phase 37.5KW 500V 75A Constant Current Constant Voltage Power Source

Model: VT-ADP50075

Input Voltage:110V/220V/380VAC optional

Output :0-500V 0-75A Adjustable

Output customize:0-2000V 0-2000A customized

12U Rack Mount Type


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Product Detail
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dc adjustable power supply


1.Small size and light weight, suitable for working table and rack installation.
2. Use PWM modulation, crystal module consumption of low power, high efficiency, more power saving.
3. Carefully designed electronic technology circuit, forced air cooling heal treatment, with a very low temperature coefficient.
4. Low noise and low ripple.
5. High gain amplifier circuit design, with good rapid response characteristics.
6. Voltage and current digital display meter with 4-bit high sampling rate and high resolution.
7. Built-in O.V.P over voltage protection line and O.T.P over temperature protection line, protection function is perfect and reliable.
8. It is designed with load terminal voltage detection terminal, which can accurately read and control the load terminal voltage.

Specification about VT-ADP50075 Adjustable power supply

Model VT-ADP50075 or customized
Input Voltage Range 1 Phase: AC110V/220V±10%,50Hz/60Hz;

Or 3 Phase:AC 380VAC±10%,50Hz/60Hz;

Output voltage 0-500VDC
Output current 0-75A
Power 37500W
Voltage Stabilization ≤0.3%+10mV
Load Stabilization ≤0.5%+30mV
Ripples and Noises ≤0.5%+10mVrms
Voltage Display Accuracy


4-digit Accuracy: ±1%+1 word (10%-100% rating)
0.000V-9.999V, 0.00V-99.99V, 0-0V-999.9V
Current Display Accuracy


4-digit Accuracy: ±1%+1 word (10%-100% rating)
0.000A-9.999A, 0.00A-99.99A, 0-0A-999.9A


Insulation resistance



Input-output: ≥ 20m Ω
Input-shell: ≥ 20m Ω
Output-shell: ≥ 80m Ω


Insulation strength



Input-output: AC1500V, 10mA, 1minute
Input-shell: AC1500V, 10mA, 1minute
Output-shell: AC1500V, 10mA, 1minute
Output OverVoltage Protection Built-in O.V.P. protection, protection limited value is rated +5%
Output Over Load Protection Overload, current limit, constant current output
OverTemperature Protection Built-in O.T.P. protection,protection value:85℃±5% heat sink temperature
Voltage Setting 10-turn precision potentiometer
Current Setting 10-turn precision potentiometer
Output Polarity Output Positive(+) negative(- ) Can be grounded at will
Heat Dissipation Way Forced fan cooling
Work Conditions Indoor use design,Temperature:0℃~40℃;Humidity: 10%~85%RH
Storage Conditions Temperature: -20℃~70℃; Humidity: 10%~90%RH

Analog Remote Control Function (Optional)


Remote Control Function (Optional)





0-5V /0-10Vdc analog signal control output voltage/current
0-5V0-10Vdc analog signal to read-back output voltage current
0-5V/0-10Vdc analog Switch signal to control output
4-20mA analog signal control output voltage & current
RS232/RS485 Communication port control by computer



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