Shopping cart Close

You have no items in your shopping cart.

All Categories
    Menu Close
    Search store Close
    Picture of 30V 10A Linear Adjustable DC Power Supply, 300W
    Picture of 30V 10A Linear Adjustable DC Power Supply, 300W
    Picture of 30V 10A Linear Adjustable DC Power Supply, 300W

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

    0 review(s) | Add your review
    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.
    *
    🚚 Free shipping
    ⏱️ Delivery: 6-12 days
    🔙 30-day Returns
    Related products

    30V 3A Linear Adjustable DC Power Supply, 90W

    ● 0–30V voltage and 0–3A current are continuously adjustable, with a rated power of 90W. ● Humanized compact design, digital display with fine-tuning and coarse-tuning knobs. ● Built-in multiple protections, ensuring efficient operation and safety. ● Suitable for working environments of 0–40℃/85% RH, with strong stability.
    $181.79

    30V 5A Linear Adjustable DC Power Supply, 150W

    ● 0–30V voltage and 0–5A current are continuously adjustable, meeting the precise power supply requirements of various scenarios. ● Linear voltage regulation design, with ripple noise as low as 0.5mV, excellent load and line regulation performance. ● Excellent load/line regulation rate, stable temperature coefficient, and reliable long-term operation accuracy. ● A variety of voltage inputs are available, suitable for power grid environments in different regions around the world.
    $187.99

    30V 20A Linear Adjustable DC Power Supply, 600W

    ● 20 amp 30 volt wide range adjustable, stable output with low ripple. ● Linear regulation, precise and reliable, meeting the needs of precision electronic testing and experiments. ● Built-in multiple protections against overcurrent and short circuit, effectively ensuring the safety of equipment and loads. ● Suitable for multiple scenarios such as scientific research experiments, teaching and training, production line testing, and equipment maintenance.
    $651.59

    30V 30A Linear Adjustable DC Power Supply, 900W

    ● 900W high power, 30V voltage and 30A current continuously adjustable, easily meeting the power supply needs of various devices. ● Ripple noise of 0.5mV, excellent load and linear regulation accuracy, providing a pure and reliable power supply environment. ● High conversion efficiency, reducing energy consumption and heat generation, making long-term full-load operation more stable and durable. ● User-friendly design with a portable handle for easy movement of the device in various scenarios.
    $889.69
    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.

    30V 10A Linear Adjustable DC Power Supply 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.

    0 review(s)
    0.0 0
    Write your own review Close
    *
    *
    Information
    Customer service
    Payment options
    Copyright © 2026 PowerHome.com. All rights reserved.