Voita Electronic Voita Electronic

China Supplie Reliable 4000w High Power Adjustable Variable Dc Bench Power Supply 400V 10A with Lab test

Product Description

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Main Characters
  • Small size and light weight, suitable for working table and rack installation.
  • Use PWM modulation, crystal module consumption of low power, high efficiency, more power saving.
  • Carefully designed electronic technology circuit, forced air cooling heal treatment, with a very low temperature coefficient.
  • Low noise and low ripple.
  • High gain amplifier circuit design, with good rapid response characteristics.
  • Voltage and current digital display meter with 4-bit high sampling rate and high resolution.
  • Built-in O.V.P over voltage protection line and O.T.P over temperature protection line, protection function is perfect and reliable.
  • Designed with load terminal voltage detection terminal, which can accurately read and control the load terminal voltage.
Key Features
  • Input voltage: Single-phase AC220V/AC110V +/- 15%; 50Hz / 60Hz.
  • Output voltage adjustable range: 0 ~ 100V.
  • Output constant current adjustable range: 0 ~ 1A.
  • Source voltage adjustment rate: stable pressure < 0.5%.
  • Load adjustment rate: stable pressure < 1%; Constant flow < 2%.
  • Ripple voltage: Vpp < 2%; Machine efficiency: > 86%.
Technical Datasheet
ModelVT-ADP40010
Input Voltage Range1 Phase: AC110V±10%; 1 Phase: AC220V±10%; 3 Phase: AC380V±10% (50Hz/60Hz)
Output voltage0-400VDC
Output current0-10A
Power4000W
Voltage Stabilization≤0.3%+10mV
Load Stabilization≤0.5%+30mV
Ripples and Noises≤0.5%+10mVrms
Display Accuracy4-digit Accuracy: ±1%+1 word (10%-100% rating)
Insulation ResistanceInput-Output ≥20MΩ; Input-Shell ≥20MΩ; Output-Shell ≥80MΩ
Insulation StrengthAC1500V, 10ma, 1 minute
ProtectionO.V.P. (Rated +5%), Overload, Current limit, O.T.P. (85℃±5%)
Control Setting10-turn precision potentiometer
Heat DissipationForced fan cooling
Dimensions220*460*170mm
Weight13.8KG
Analog Remote Control (Optional)
  • Communication
  • Voltage/Current Control0-5V / 0-10Vdc analog signal control
    Read-back Signal0-5V / 0-10Vdc analog signal read-back
    Switch Control0-5V / 0-10Vdc analog Switch signal
    Current Loop4-20mA analog signal control
    RS232/RS485 port control by computer
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    Customization Range

    About the adjustable dc regulated power supply, different kind of specifications can be customized:

    • Input voltage: 1 phase 110VAC/220Vac or 3 phases 380Vac.
    • Output voltage: 0-3000V variable or appointed.
    • Output current: 0-2000A variable or appointed.
    • Serial port: RS232, RS485, timing switch.
    Final Overview
    Frequently Asked Questions
    Q1: Can the output voltage and current be adjusted independently?

    Yes, the DC power supply features dual 10-turn precision potentiometers, allowing for fine-tuned and independent adjustment of both voltage and current levels.

    Q2: What safety protections are built into this power supply?

    The unit includes comprehensive protection systems: Over Voltage Protection (O.V.P), Over Temperature Protection (O.T.P), and Overload/Constant Current limiting to ensure equipment safety.

    Q3: Is it possible to control the power supply via a computer?

    Yes, we offer optional analog remote control functions and digital communication ports such as RS232 and RS485 for computer-based integration.

    Q4: Does the display show high-resolution readings?

    The unit is equipped with a 4-digit digital display meter that provides high sampling rates and high resolution for both voltage and current monitoring.

    Q5: What cooling method does the device use?

    It utilizes a forced air cooling system with an internal fan and a carefully designed heat treatment circuit to maintain a very low temperature coefficient during operation.

    Q6: Can I request a custom input or output range?

    Absolutely. We provide customization for various input voltages (110V/220V/380V) and output ranges up to 3000V or 2000A based on specific requirements.

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