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    Picture of Buck Converter 48V to 12V, 5A/10A/20A-60A
    Picture of Buck Converter 48V to 12V, 5A/10A/20A-60A
    Picture of Buck Converter 48V to 12V, 5A/10A/20A-60A
    Picture of Buck Converter 48V to 12V, 5A/10A/20A-60A
    Picture of Buck Converter 48V to 12V, 5A/10A/20A-60A

    Buck Converter 48V to 12V, 5A/10A/20A-60A

    1 review(s) | Add your review
    SKU: PH-DCBC-4812
    $82.17
    ● Buck converter 48V to 12V can choose the current 5A/10A/20A-60A, and the power can be selected from 60W-720W. ● 100% full-load aging tested, compact aluminum case, easy to install, wide voltage input with up to 95% efficiency. ● DC DC step down converter has short circuit, overcurrent, overvoltage, overtemperature protection, and waterproof function. ● Suitable for EVs, telecom, industrial control, solar systems, and DIY embedded power supply.
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    Overview

    The buck converter 48V to 12V offers selectable output currents from 5A to 60A (60W–720W), featuring 100% full-load aging testing, high efficiency up to 95%, and a compact aluminum casing for easy installation. It includes multiple protections such as short circuit, overcurrent, overvoltage, overtemperature, and low voltage, along with IP68 waterproof and dustproof sealing. Built with components (e.g., Black Diamond, T, Ruby), pure copper wire inductors, and advanced SMT assembly using high-quality brands like TI and NICHICON, the converter ensures stable output, minimal interference, over 100,000 hours of service life, and comes with a 2-year warranty. DC DC buck converter ideal for EVs, telecom, industrial control, solar systems, and embedded applications.

    48V to 12V DC DC buck converter feature

    Feature

    • 100% full power, high stability output.
    • Imported components (such as: Black Diamond, T, Ruby, etc.).
    • Built-in over-current, low voltage, over-temperature, short circuit protection.
    • Long service life of more than 100000 hours.
    • Two years warranty service.
     

    Details

    1. Enclosure: Aluminum alloy casing with high thermal conductivity for efficient heat dissipation and durability in industrial environments.
    2. Protection: Built-in protections including over-voltage, over-current, short-circuit, and over-temperature, ensuring safe and reliable performance in the DC voltage buck converter.
    3. Mounting: Pre-drilled mounting holes for easy installation in vehicles, cabinets, or equipment enclosures.
    4. Connection Terminals: High-current terminals or heavy-duty input/output wires (based on model) to ensure stable electrical contact.
    DC DC buck converter 48v to 12v details

    Dimension (unit: mm)

    5A 60W

    DC DC buck converter low current dimension

    10A 120W, 15A 180W, 20A 240W

    DC DC buck converter high current dimension

     

    30A 360W

    DC DC buck converter 100 80 39mm size

    50A 600W, 60A 720W

    DC DC buck converter 50/60A size

    Wiring Diagram

    DC DC buck converter wiring

    Specs
    Input
    Rated voltage 48V
    Voltage range 35-60V
    Efficiency 94% @ 36V input
    Positive cable (red) 16 AWG @ 16.5cm length
    Negative cable (black) 16 AWG @ 16.5cm length
    Output
    Voltage 12V
    Max. rated current 15A
    Max. rated power 180W
    Voltage regulation ±1%
    Load regulation 2%
    No load loss 40mA
    Ripple & noise 160~200mV
    Positive cable (yellow) 14 AWG @ 16.5cm length
    Negative cable (black) 14 AWG @ 16.5cm length
    Environment
    Working temperature -40 ~ +80℃
    Working humidity 10% ~ 90%RH
    Storage temperature -40 ~ +100℃
    Function
    Short circuit protection YES
    Over current protection @ 6 ~ 8A
    Waterproof IP68
    Over temperature protection YES
    Over voltage protection YES
    Mechanical
    Weight 290g
    Size 74*74*32mm

    Note: This table takes the specification of 48V to 12V, 15A as an example, please see the selection table below for other specification files.


    48V to 12V DC-DC Buck Converter Model Selection

    Output Current/Power: 5A/60W, Efficiency: 94%, Size: 57*64*22mm PDF computing48V to 12V 5A DC DC Buck Converter User Manual
    Output Current/Power: 10A/120W, Efficiency: 94%, Size: 74*74*32mm PDF computing48V to 12V 10A DC DC Buck Converter User Manual
    Output Current/Power: 15A/180W, Efficiency: 95%, Size: 74*74*32mm PDF computing48V to 12V 15A DC DC Buck Converter User Manual
    Output Current/Power: 20A/240W, Efficiency: 94%, Size: 74*74*32mm PDF computing48V to 12V 20A DC DC Buck Converter User Manual
    Output Current/Power: 30A/360W, Efficiency: 95%, Size: 100*80*39mm PDF computing48V to 12V 30A DC DC Buck Converter User Manual
    Output Current/Power: 50A/600W, Efficiency: 95%, Size: 150*127*63mm PDF computing48V to 12V 50A DC DC Buck Converter User Manual
    Output Current/Power: 60A/720W, Efficiency: 95%, Size: 150*127*63mm PDF computing48V to 12V 60A DC DC Buck Converter User Manual
    Application
    EV power supply for on board systems

    EV Power Supply for on Board Systems

    Communication equipment

    Communication Equipment

    Energy storage photovoltaic systems

    Energy Storage/Photovoltaic Systems

    LED billboard

    LED Billboard

    FAQ

    Q1: How does this Buck Module work?

    The DC DC buck converter utilizes switching power technology to efficiently convert 48V input voltage to a stable 12V output through internal high frequency MOS tubes and inductors, and is suitable for automotive, industrial and communication scenarios with up to 96% efficiency.

    Q2: How to choose the DC DC buck converter output current?

    The selection of output current is based on the load power. For example:

    • 5A is suitable for ≤60W equipment
    • 10A can carry ≤120W load
    • 20A~60A is suitable for industrial systems, communication base stations, vehicle inverters and other high-power equipment.

    When choosing, we should leave 20% margin for the equipment to ensure that the module is not overloaded.

    Q3: What size 48V to 12V DC-DC converter do I need for my solar battery system?

    Choose the converter based on the total current required by your 12V loads. Add the current draw of all devices that may run at the same time, then select a 48V to 12V DC-DC converter with an output current rating above that total. For example, if your 12V lights, fans, cameras, and other equipment require 15A combined, a 20A converter provides suitable operating margin. Also make sure the converter's input voltage range covers the actual charging and discharging voltage range of your 48V battery bank, especially when using a 48V LiFePO4 battery system.

    1 review(s)
    5.0 1
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    Sophia | 2/3/2026 3:08 AM
    Good for DIY and System Integration
    I’m using this buck converter in a DIY power setup with solar and battery input. Wiring was straightforward, and the adjustable current options are useful. As long as it’s properly mounted and ventilated, it seems to work well in this type of application.
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