(0) Shopping cart
You have no items in your shopping cart.
Shopping Categories

    120A 30V 3600W Variable DC Power Supply

    120A 30V variable DC power supply for sale, with 3600W DC output power, constant voltage (CV) / constant current (CC) output precision, selectable 110V or 220V±10% AC input, 3 digit LED display. This adjustable DC power supply employs digital control mechanisms, enabling users to easily and accurately set the desired voltage and amperage levels. Its regulated nature ensures a stable output, safeguarding connected devices from voltage fluctuations or irregularities.
    SKU: ATO-VDCPS30120K
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    120 amp 30 volt variable DC power supply features adjustable voltage and current outputs, allowing users to fine-tune settings based on specific requirements. The versatility and precision of this adjustable DC power supply make it an essential tool for electronics labs, testing environments, and various technical applications, offering reliability and adaptability in powering electronic components and systems.


    Model ATO-JK30120K
    Input Voltage 110V or 220V AC (+/- 10%)
    Output Voltage Range 0-30V
    Output Current Range 0-120A
    Output Power 3600W
    Frequency 50Hz/60Hz
    Adjustable Mode Pulse Width Modulation (PWM) Type
    Transistor Connection Method Full Bridge
    Output Type Dual
    Display 3 digit
    Display Accuracy Output Voltage ±0.5%, Output Current ±0.5%
    Efficiency >86%
    Load Regulation (CV) Stable Voltage ≤0.5%, Constant Current ≤0.5%
    Line Regulation (CV) Stable Voltage ≤0.5%
    Ripple Voltage ≤1%
    Insulation Resistance Input-Output: ≥20MΩ
    Input-Chassis: ≥20MΩ
    Dielectric Strength Input-Output: AC1500V, 10mA, 1 minute
    Input-Chassis: AC1500V, 10mA, 1 minute
    Output-Chassis: AC1500V, 10mA, 1 minute
    Protection Over Load and Over Voltage Protection
    Current Imbalance ≤5% + 0.5A
    Operating Ambient -10℃ to + 45℃/ 85%RH
    Storage Ambient -20℃ to + 70℃/ 80%RH
    Overheat Protection Ambient Threshold 70℃ to 80℃
    Mean Time Between Failures ≥50000h
    Cooling Duct Internal Cooling Air Duct Forward and Exit
    Certification CE, RoSH
    Warranty 12 Months
    Size 303 (L) x 255 (W) x 155 (H) mm
    Weight 13kg


    Details of 120A 30V Adjustable DC Power Supply

    Tips: How accurate are variable DC power supplies?

    Variable DC power supplies are generally accurate, with precision depending on the quality and design of the specific unit. High-quality models can provide precise voltage regulation within a small margin of error, typically around 0.1% or better. These supplies often employ feedback control systems and voltage regulation circuits to maintain stability. However, lower-cost or less sophisticated models may have larger deviations. It's crucial to consider factors like load regulation, line regulation, and ripple voltage when evaluating accuracy. Calibration and periodic maintenance also impact accuracy. Users should select power supplies based on their specific application requirements, as more demanding applications may necessitate higher accuracy and stability.

    Write your review for 120A 30V 3600W Variable DC Power Supply
    • Only registered users can write reviews
    • Bad
    • Excellent