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    Picture of DC to DC Buck Converter, 48V to 13.8V/36V
    Picture of DC to DC Buck Converter, 48V to 13.8V/36V
    Picture of DC to DC Buck Converter, 48V to 13.8V/36V
    Picture of DC to DC Buck Converter, 48V to 13.8V/36V
    Picture of DC to DC Buck Converter, 48V to 13.8V/36V
    Picture of DC to DC Buck Converter, 48V to 13.8V/36V

    DC to DC Buck Converter, 48V to 13.8V/36V

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    SKU: PH-DCBC-4836
    $55.39
    ● DC to DC buck converter can choose output voltage 13.8V or 36V, output current 5A-60A. ● 5A converter outputs 13.8V with a maximum current of 5A and power of 69W, ±1% voltage regulation, 2% load regulation, 70mA no-load loss, and 120mV ripple and noise. ● DC step down converter has short circuit, over-current, over-temperature, and over-voltage protection, along with a waterproof design for enhanced safety and reliability. ● Ideal for use in electric vehicles, solar power systems, industrial equipment, and communication devices requiring stable low-voltage output.
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    Overview

    The DC to DC buck converter offers selectable 13.8V or 36V output with currents from 5A to 60A, achieving up to 97% efficiency at 48V input. It has ±1% voltage regulation, multiple protection functions (short circuit, over-current, over-temperature, over-voltage, and low-voltage), and an IP68 waterproof rating for reliable performance in harsh environments. Built with a non-isolated structure, durable aluminum casing, and heavy-duty terminals, DC step down converter supports operation down to -40°C and is ideal for EVs, solar systems, industrial equipment, and telecom use. Easy to install with pre-drilled holes and backed by a 1-year warranty.

    48V to 36V DC DC buck converter feature

    Feature

    • Built to operate in extreme environments, it supports temperatures as low as -40°C.
    • DC to DC buck converter offers high conversion efficiency up to 97% at 48V input under 25℃, ensuring energy savings and stable output.
    • Provides comprehensive protection, including short circuit, overload, and low-voltage safeguards.
    • Rated IP68 waterproof, making it suitable for outdoor and harsh conditions.
    • Undergoes 100% full-load burn-in testing to ensure consistent performance and durability.
    • Designed with a non-isolated input-output structure for simplified integration.
    • Includes a 1 year warranty, offering confidence in long-term use.
     

    Details

    1. Enclosure: Durable aluminum alloy casing with high thermal conductivity for efficient heat dissipation and industrial-grade durability.
    2. Protection: DC to DC buck converter built-in over-voltage, over-current, short-circuit, and over-temperature protection for safe, stable operation.
    3. Mounting: Pre-drilled holes allow easy installation in vehicles, cabinets, and equipment housings.
    4. Connection Terminals: Equipped with high-current terminals or heavy-duty wires for secure, reliable connections under load.
    DC DC buck converter 48v to 12v details

    Dimension (unit: mm)

    5A 69W, 10A 138W

    DC DC buck converter 48v to 36v 5a dimension

    15A 207W, 20A 276W

    DC DC buck converter 48v to 36v 15a dimension

     

    30A 414W

    DC DC buck converter 48v to 36v 30a size

    50A 690W, 60A 828W

    DC DC buck converter 48v to 36v 50a 60a size 

    Wiring Diagram

    DC DC buck converter wiring

    Specs
    Input
    Rated voltage 48V
    Voltage range 30-60V
    Efficiency 92.2% @ 48V input
    Output
    Voltage 13.8V
    Max. rated current 5A
    Max. rated power 69W
    Voltage regulation ±1%
    Load regulation 2%
    No load loss 70mA
    Ripple & noise 120mV
    Environment
    Working temperature -40 ~ +80℃
    Working humidity 10% ~ 90%RH
    Storage temperature -40 ~ +100℃
    Function
    Short circuit protection YES
    Over current protection YES
    Waterproof IP68
    Over temperature protection YES
    Over voltage protection YES
    Mechanical
    Weight 300g
    Size 64*57*22mm

    Note: This table takes the specification of 48V to 13.8V, 5A as an example, please see the selection table below for other specification files.


    48V to 13.8V DC-DC Buck Converter Model Selection

    Output Current/Power: 5A/69W, Efficiency: 92.2%, Size: 64*57*22mm PDF computing48V to 13.8V 5A DC DC Buck Converter User Manual
    Output Current/Power: 10A/138W, Efficiency: 93.7%, Size: 64*57*22mm PDF computing48V to 13.8V 10A DC DC Buck Converter User Manual
    Output Current/Power: 15A/207W, Efficiency: 95.8%, Size: 74*74*32mm PDF computing48V to 13.8V 15A DC DC Buck Converter User Manual
    Output Current/Power: 20A/276W, Efficiency: 95%, Size: 74*74*32mm PDF computing48V to 13.8V 20A DC DC Buck Converter User Manual
    Output Current/Power: 30A/141W, Efficiency: 95.3%, Size: 100*80*39mm PDF computing48V to 13.8V 30A DC DC Buck Converter User Manual
    Output Current/Power: 50A/690W, Efficiency: 97%, Size: 100*80*36mm PDF computing48V to 13.8V 50A DC DC Buck Converter User Manual
    Output Current/Power: 60A/828W, Efficiency: 96.5%, Size: 100*80*36mm PDF computing48V to 13.8V 60A DC DC Buck Converter User Manual

     

    48V to 36V DC-DC Buck Converter Model Selection

    Output Current/Output Power Efficiency
    3A/108W 92%
    5A/180W 92%
    8A/360W 92%

    Size: 74*74*32mm

    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: Can the buck converter automatically switch between 13.8V and 36V?

    No. The output voltage is fixed per model. You must choose a converter with either a 13.8V or 36V output based on your device requirements.

    Q2: Will it operate if the input voltage drops below 48V?

    It depends on the model’s input range. Most converters accept a range (e.g., 40V–60V), but if the input falls below the minimum, the output will drop or shut down.

    Q3: What is a 48V to 13.8V/36V buck converter used for?

    This converter is commonly used to power lower-voltage devices from a 48V DC power source. For example, 13.8V is suitable for automotive electronics and communication equipment, while 36V is used in electric scooters, e-bikes, and industrial controllers.

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