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    Picture of DC Voltage Buck Converter, 36V to 12V
    Picture of DC Voltage Buck Converter, 36V to 12V
    Picture of DC Voltage Buck Converter, 36V to 12V
    Picture of DC Voltage Buck Converter, 36V to 12V
    Picture of DC Voltage Buck Converter, 36V to 12V

    DC Voltage Buck Converter, 36V to 12V

    1 review(s) | Add your review
    SKU: PH-DCBC-3612
    $83.44
    ● 36V to 12V DC voltage buck converter, selectable 5-60A output current with up to 95% conversion efficiency. ● Output power from 60W-120W, input voltage range of 50A buck converter is 30-50V. ● The buck converter has short circuit, over current, waterproof IP68, over temperature, and over voltage protection. ● Used to step down 36V to 12V, suitable for applications in automotive systems, LED lighting, and industrial equipment.
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    Overview

    The 36V to 12V DC buck converter offers up to 95% efficiency, with selectable output currents from 5A to 60A and output power ranging from 60W to 120W. It has protections for short circuits, over current, over temperature, and over voltage, along with an IP68 waterproof rating. Ideal for automotive systems, LED lighting, and industrial equipment, it complies with RoHS and CE standards. The converter includes high-reliability NCC & NICHICON capacitors, a high-quality aluminum casing, rubber sealing for waterproofing, and a pure copper core for stable power. It also undergoes a full load burn-in test and is backed by a 1-year warranty.

    36V to 12V DC DC buck converter feature

    Feature

    • RoHS / CE Compliance: Buck to buck converter designed to meet RoHS and CE standards.
    • High Efficiency: 95% efficiency at 36V input.
    • Non-Isolated: No isolation between input and output.
    • Reliable Capacitors: Internal NCC & NICHICON capacitors for high reliability.
    • Full Load Burn-in Test: 100% full load burn-in testing.
    • Protection Features: Overload, over-temperature, and over-voltage protection.
    • Waterproof: Waterproof rating of IP68.
    • Warranty: 1-year warranty included.
     

    Details

    1. High-Quality Aluminum Casing: Made with premium aluminum material for better heat dissipation, ensuring safe and reliable operation.
    2. High-Quality Rubber Sealing: DC step down converter has high-quality rubber sealing for waterproofing, dust-proofing, and shock resistance, with an IP68 waterproof rating.
    3. Copper Wire Core: Utilizes pure copper core for the inductor, ensuring effective suppression of ripple, vibration, and other electrical interference, resulting in stable power output.
    4. SMT Assembly Process: Advanced SMT technology with high-quality electronic components (such as TI, NCC, NICHICON, NIPPON), offering high stability and reliability.
    DC DC buck converter 12v/24v to 5v 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 36V
    Voltage range 28-63V
    Efficiency 94% @ 36V input
    Positive cable (red) 18 AWG @ 16.5cm length
    Negative cable (black) 18 AWG @ 16.5cm length
    Output
    Voltage 12V
    Max. rated current 5A
    Max. rated power 60W
    Voltage regulation ±1%
    Load regulation 2%
    No load loss 0.96 @ 36V input
    Ripple & noise 70mV
    Positive cable (yellow) 18 AWG @ 16.5cm length
    Negative cable (black) 18 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 108g
    Size 57*64*22mm
    Other
    Cooling Free air convection
    Packaging White box

    Note: This table takes the specification of 36V to 12V, 5A as an example, please see the selection table below for other specification files.


    36V to 12V DC-DC Buck Converter Model Selection

    Output Current/Power: 5A/60W, Efficiency: 94%, Size: 57*64*22mm PDF computing36V to 12V 5A DC DC Buck Converter User Manual
    Output Current/Power: 10A/120W, Efficiency: 94%, Size: 74*74*32mm PDF computing36V to 12V 10A DC DC Buck Converter User Manual
    Output Current/Power: 15A/180W, Efficiency: 95%, Size: 74*74*32mm PDF computing36V to 12V 15A DC DC Buck Converter User Manual
    Output Current/Power: 20A/240W, Efficiency: 94%, Size: 74*74*32mm PDF computing36V to 12V 20A DC DC Buck Converter User Manual
    Output Current/Power: 30A/360W, Efficiency: 95%, Size: 100*80*39mm PDF computing36V to 12V 30A DC DC Buck Converter User Manual
    Output Current/Power: 50A/600W, Efficiency: 95%, Size: 150*127*63mm PDF computing36V to 12V 50A DC DC Buck Converter User Manual
    Output Current/Power: 60A/720W, Efficiency: 95%, Size: 150*127*63mm PDF computing36V to 12V 60A DC DC Buck Converter User Manual
    Application
    DC DC car charger

    Car Charger

    PLC controller

    PLC Controller

    Solar panel power system

    Solar Panel Power System

    LED billboard

    LED Billboard

    FAQ

    Q1: Can I power multiple devices at the same time with a buck converter?

    Yes, as long as the total current draw of all connected devices does not exceed the converter’s rated output current. For example, if the converter is rated for 12V at 5A, the combined load should not exceed 60W. It's always a good idea to leave a 20–30% safety margin.

    Q2: Can the converter cause a fire or damage connected devices?

    If used incorrectly or overloaded, yes. To avoid risks, choose converters with built-in protections such as overcurrent, overvoltage, short-circuit, and thermal protection. Always wire them properly and avoid exceeding their rated specifications.

    Q3: What size 36V to 12V DC-DC converter do I need?

    Start with the power requirement of your 12V equipment. For example, a 120W load at 12V draws about 10A, so the converter should be rated for more than 120W and 10A output. If the load includes motors, pumps, fans, or other devices with startup surges, choose a higher-capacity converter to handle the temporary peak current. Also verify that the converter accepts the full voltage range of your 36V power source rather than only a fixed 36V input.

    1 review(s)
    5.0 1
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    Atticus | 7/21/2026 8:54 AM
    Reliable 36V to 12V Buck Converter for My Cart
    Installed this 36V to 12V DC buck converter on my utility cart to power some 12V accessories. The aluminum housing feels durable, and the IP68 waterproof design gives me confidence for outdoor use. It provides stable voltage output and runs cool even after extended operation. So far, it has worked reliably with no problems.
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