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    30V 10A Linear Adjustable DC Power Supply, 300W

    SKU: PH-DCPS-3010
    $550.49
    ● Adopts a low-ripple linear topology, providing pure and stable power supply for precision electronic testing. ● Equipped with multiple safety protections such as overcurrent and overvoltage, which is efficient and reliable. ● The efficiency is greater than 65%, the recovery time is ≤100μs, and it can operate stably for a long time. ● A variety of input voltages are available, adapting to the power grid environments in different regions of the world.
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    ⏱️ Delivery: 6-12 days
    🔙 30-day Returns
    Overview

    Linear adjustable DC power supply leverages a high-performance transformer to deliver stable, clean DC conversion from a selectable AC input, engineered for precision and reliability. Boasting a 3-digit LED display for real-time, at-a-glance monitoring, 300W of robust power, and fully adjustable voltage (0–30V) and current (0–10A), it empowers users to tailor output to the exact power demands of any device—ensuring uncompromising performance, enhanced operational safety, and maximum versatility for professional testing, prototyping, and field applications.

    Linear Adjustable DC Power Features

    Feature

    • Low Ripple and High Stability: Linear topology design effectively suppresses output noise, providing a pure and stable power supply environment for sensitive circuits.
    • Precise Adjustability: 0–30V voltage and 0–10A current can be continuously adjusted to meet the precise power supply needs of diversified testing and prototype development.
    • Dual-channel Output: Supports dual independent outputs, which can power multiple devices at the same time, improving work efficiency.
     

    Details

    1. Coarse/Fine Adjustment Knobs: The coarse adjustment knob quickly positions the target value, and the fine adjustment knob achieves precise fine-tuning, balancing efficiency and accuracy.
    2. Digital Display: LED digital display clearly shows voltage and current in real time, which can be easily read in both strong and dim light environments.
    3. Portable Design: Equipped with a sturdy handle, it is convenient for quick transportation in laboratories.
    30V 10A Linear Adjustable DC Power Supply Details

    30V 10A Linear DC Power Supply Structure


    30V 10A Linear Adjustable DC Power Supply Structure

    Specs
    Model PH-JK3010S
    Input Voltage 110V or 220V AC (+/- 10%)
    Output Voltage Range DC 0-30V
    Output Current Range 0-10A
    Output Power 300W
    Frequency 50Hz/60Hz
    Output Type Dual
    Display 3 digit
    Display Accuracy ≤ ±0.1%+2d
    Voltage Display Resolution 10mV
    Current Display Resolution 10mA
    Efficiency >65%
    Voltage Regulation
    Load Regulation (CV) 1×10-4+8mV
    Line Regulation (CV) 1×10-4+3mV
    Ripple & Noise (P-P) 0.5mV
    Temperature Coefficient 300PPm/℃
    Current Regulation
    Load Regulation (CC) ≤5mA
    Line Regulation (CC) 2×10-4+3mA
    Temperature Coefficient 500PPm/℃
    Others
    Protection Over Load and Over Voltage Protection
    Recovery Time ≤100µs
    Operating Ambient 0℃ to + 40℃/ 85%RH
    Storage Ambient -10℃ to + 80℃/ 80%RH
    Warranty 12 Months
    Size 303 (L) x 255 (W) x 155 (H) mm
    Weight 15kg
    Application
    Electrochemical Experiment

    Electrochemical Experiment

    Automotive Motor

    Automotive Motor

    Electronic Component Testing

    Electronic Component Testing

    Display Screen and Electronic Device

    Display Screen and Electronic Device

    FAQ

    Q1: What are the key advantages of linear adjustable DC power supplies over switching types?

    Linear adjustable DC power supplies deliver cleaner, lower-noise output with minimal electromagnetic interference, making them ideal for sensitive electronics testing and audio applications, though they are less energy-efficient at high loads.

    Q2: Are there portable options for variable linear DC power supplies?

    Yes, portable linear adjustable DC power supplies are available, offering flexibility for testing, prototyping, and fieldwork. These compact, lightweight units let users adjust output voltage and current, often with built-in displays, intuitive controls, multiple channels, and safety protections. Many run on rechargeable batteries or external power, making them ideal for engineers, hobbyists, and technicians needing precise, reliable power on the go.

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