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    Picture of Step Down Buck Converter, 72VDC to 24VDC
    Picture of Step Down Buck Converter, 72VDC to 24VDC
    Picture of Step Down Buck Converter, 72VDC to 24VDC
    Picture of Step Down Buck Converter, 72VDC to 24VDC
    Picture of Step Down Buck Converter, 72VDC to 24VDC
    Picture of Step Down Buck Converter, 72VDC to 24VDC

    Step Down Buck Converter, 72VDC to 24VDC

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    SKU: PH-DCBC-7224
    $58.59
    ● Step down buck converter 72VDC to 24VDC can choose output current 5A/10A/20A, output power 120W/240W480W, conversion efficiency in 93%-96%. ● Maximum rated current of 5A, maximum power of 120W, ±1% voltage regulation, 2% load regulation, 70mA no-load loss, and 120mV ripple and noise. ● The DC buck converter operates in temperatures from -40℃ to +80℃, with 10%–90%RH humidity, and can be stored in temperatures ranging from -40℃ to +100℃. ● Used in industrial systems, alternative energy, golf carts, cars and forklifts, electromotors, telecommunications, boats and yachts, medical devices, LED marketplaces.
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    Overview

    The 72VDC to 24VDC step down buck converter offers selectable output currents (5A/10A/20A) with power ratings up to 480W and high efficiency of 93%–96%. It has ±1% voltage regulation, 2% load regulation, and reliable performance in extreme conditions (-40℃ to +80℃, 10%–90%RH). With IP68 waterproof protection, built-in safety functions (OVP, OCP, SCP, OTP), non-isolated compact design, aluminum alloy housing, and full-load burn-in testing, it ensures durability and stable output. Easy to mount with heavy-duty terminals, it is ideal for industrial, automotive, telecom, medical, and energy applications.

    72V to 24V DC DC buck converter feature

    Feature

    • High efficiency up to 96% at 72Vin and 25℃ operating conditions.
    • Non-isolated configuration between input and output for compact integration.
    • Compact size with high reliability, ideal for space-constrained applications.
    • Step down buck converter operates reliably in extreme environments down to -40°C.
    • 100% full-load burn-in tested for quality assurance.
    • Built-in protections: short circuit, overload, and low-voltage protection.
    • Waterproof design rated IP68 for harsh outdoor or industrial conditions.
    • Backed by a 1-year warranty for long-term performance assurance.
     

    Details

    1. Enclosure: The DC-DC step down converter has a rugged aluminum alloy casing with high thermal conductivity, providing effective heat dissipation and long-lasting durability in industrial environments.
    2. Protection: Built-in protections, including over-voltage, over-current, short-circuit, and over-temperature protection, ensuring safe and stable performance in various applications.
    3. Mounting: Designed for ease of installation, the converter comes with pre-drilled mounting holes, allowing quick setup in vehicles, control cabinets, or electronic equipment housings.
    4. Connection Terminals: Depending on the model, the DC-DC step down converter uses high-current terminals or heavy-duty input/output wires to ensure reliable and stable electrical connections, even under demanding power loads.
    DC DC buck converter 48v to 12v details

    Dimension (unit: mm)

    5A 120W, 10A 240W, 20A 480W

    DC DC buck converter low current dimension

     

    Wiring Diagram

    DC DC buck converter wiring

    Specs
    Input
    Rated voltage 72V
    Voltage range 30-90V
    Efficiency 93% @ 60V input
    Output
    Voltage 24V
    Max. rated current 5A
    Max. rated power 120W
    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 IP67
    Over temperature protection YES
    Over voltage protection YES
    Mechanical
    Weight 300g
    Size 64*57*22mm

    Note: This table takes the specification of 72V to 24V, 5A as an example, please see the selection table below for other specification files.


    72V to 24V DC-DC Buck Converter Model Selection

    Output Current/Power: 5A/120W, Efficiency: 93%, Size: 64*57*22mm PDF computing72V to 24V 5A DC DC Buck Converter User Manual
    Output Current/Power: 10A/240W, Efficiency: 96.5%, Size: 64*57*22mm PDF computing72V to 24V 10A DC DC Buck Converter User Manual
    Output Current/Power: 20A/480W, Efficiency: 96.4%, Size: 64*57*22mm PDF computing72V to 24V 20A 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: What is the difference with an AC-DC power supply?

    An AC-DC power supply converts 220V/110V AC to DC, while a Buck DC-DC converter is only used in DC systems (e.g., from a 72V battery to 24V). The two are not interchangeable, and you need to select the appropriate equipment based on the type of power supply.

    Q2: Can step down buck converter be used in weak power systems such as communication equipment, cameras, PLCs, etc.?

    Yes, provided that the output voltage is stable and the ripple is low. If used in high-precision scenarios, it is recommended to choose industrial-grade products with EMI shielding, low ripple output and short-circuit protection.

    Q3: What is the reason for the power jump or output power failure?

    It could be the following situations:

    • Overload protection activation (load exceeds rated)
    • Abnormal input voltage (over or under voltage)
    • Ambient temperature too high, temperature protection triggered
    • Module aging or poor contact
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