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    Picture of 0-100V 20A Variable DC Power Supply
    Picture of 0-100V 20A Variable DC Power Supply
    Picture of 0-100V 20A Variable DC Power Supply

    0-100V 20A Variable DC Power Supply

    1 review(s) | Add your review
    SKU: PH-VDCPS-100V20
    $905.59
    ● 0 to 100 volt 20 amp variable DC power supply adopts advanced PWM control technology with high efficiency, compact size and energy saving. ● Adjustable output with low ripple and fast dynamic response, featuring automatic CV/CC mode switching for different load conditions. ● Built-in protection against overvoltage, overheating, and short circuit, with preset and monitoring capability.
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    Overview

    PowerHome 0 to 100V 20A variable DC power supply is a reliable and adjustable power source for electronics experimentation and development, available with adjustable voltage & current output capabilities and digital control.

    Specification

    Model ATO-PHJK10020K
    Input Voltage Single Phase 110V or 220V AC (+/- 10%)
    Output Voltage Range 0-100V
    Output Current Range 0-20A
    Output Power 2000W
    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 Ā±0.5%, Output Current Ā±0.5%
    Efficiency >86%
    Load Regulation (CV) Stable Voltage ā‰¤0.5%, Constant Current ā‰¤0.5%
    Line Regulation (CV) Stable Voltage ā‰¤0.5%
    Ripple Voltage ā‰¤1%
    Insulation Resistance Input-Output: ā‰„20MĪ©
    Input-Chassis: ā‰„20MĪ©
    Output-Chassis:ā‰„80MĪ©
    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 ā‰¤5% + 0.5A
    Operating Ambient -10ā„ƒ to + 45ā„ƒ/ 85%RH
    Storage Ambient -20ā„ƒ to + 70ā„ƒ/ 80%RH
    Overheat Protection Ambient Threshold 70ā„ƒ to 80ā„ƒ
    Mean Time Between Failures ā‰„50000h
    Cooling Duct Internal Cooling Air Duct Forward and Exit
    Certification CE
    Warranty 12 Months
    Size 303 (L) x 255 (W) x 155 (H) mm
    Weight 15kg
    Details
    100V 20A variable DC power supply dimension

    Feature

    • Automatic CV/CC Regulation: Supports constant voltage and constant current auto switching for precise and stable output.
    • PWM Technology: Adopts PWM switching design for compact size, high efficiency, low ripple, and wide input voltage range.
    • Protection Functions: Includes overvoltage, overtemperature, and short-circuit protection with soft-start design.
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    Details

    1. Wide Load Compatibility: Suitable for resistive, capacitive, and inductive loads with reliable performance in various applications.
    2. Adjustable Output: 100V 20A adjustable DC power supply with continuously adjustable voltage and current, supporting preset and monitoring functions.
    3. Preset & Non-Contact Control: Enables voltage/current preset output with non-contact switching for stable and convenient operation.
    100V 20A variable DC power supply details

    100V 20A Adjustable DC Power Supply Panel

    100V 20A variable DC power supply panel details


    Application

    Adjustable DC power supply for r&d and lab testing

    R&D and Lab Testing

    Adjustable DC power supply for electronics repair

    Electronics Repair

    Adjustable DC power supply for battery charging and testing

    Battery Charging and Testing

    Adjustable DC power supply for production line inspection

    Production Line Inspection

    FAQ

    Q1: Can the voltage and current be adjusted independently on this variable DC power supply?

    Yes, the voltage (0ā€“100V) and current (0ā€“20A) can be continuously adjusted according to your requirements. The unit supports constant voltage (CV) and constant current (CC) modes, allowing flexible control for different types of loads and testing conditions.

    Q2: Is this variable DC power supply suitable for sensitive electronics?

    Yes, it provides stable CV/CC regulated output with PWM switching technology, ensuring low ripple performance and accurate voltage control for sensitive electronic devices and R&D environments.

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    1 review(s)
    5.0 1
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    Brewster | 10/23/2026 1:31 AM
    100V 20A DC Power Supply – Low Ripple & Stable CV/CC
    Tested this 0ā€“100V, 20A DC power supply at up to 2000W. It delivers stable, low-ripple output with smooth CV/CC switching and precise voltage and current adjustments. Effective thermal management and built-in short-circuit protection make it a reliable choice for bench testing.
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