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300W 20A Constant Current DC DC Step Down Buck Converter with LED Driver

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Step-Down Voltage Conversion: Converts input DC voltage to a regulated 6V output with a constant current of 20A, ensuring stable power delivery for high-demand applications.
  • LED Driver Integration: Specifically designed to power LED arrays, maintaining consistent brightness and prolonging LED lifespan through precise current regulation.

Key features

  • 1. Advanced Heat Dissipation Technology

  • With aluminum heat sinks, you can ensure efficient cooling and prevent overheating, outperforming models without dedicated heat dissipation systems*.

  • 2. Modular Customization Flexibility

  • With modular terminal blocks, you can easily customize input/output configurations for diverse applications, unlike fixed-connection designs*.

  • 3. High-Performance Power Delivery

  • With a 20A output current at 6V, you can power high-demand devices, offering ~50% higher current than standard 12V LED drivers*.

  • 4. Commercial-Grade Durability

  • With 300W power handling and 40V overvoltage protection, you can support continuous commercial operations, ideal for industrial settings versus home-use models*.

  • 5. Safety-Compliant Design

  • With robust components and overvoltage protection, you can meet safety standards required for commercial installations, ensuring reliable operation under voltage fluctuations*.

Product details

300W 20A Constant Current DC DC Step Down Buck Converter with LED Driver

The 300W 20A Constant Current DC-DC Step Down Buck Converter with LED Driver is a high-performance power conversion solution designed for demanding applications. With robust aluminum heat sinks, modular terminal blocks, and advanced protection features, it delivers reliable power regulation for LED lighting, industrial systems, and high-current devices.

Technical specifications

FeatureSpecificationBenefit
Output Current20AHandles heavy loads for LED arrays or motors
Output Voltage6V (adjustable via terminal blocks)Customizable to match specific device needs
Rated Power300WSupports high-power applications
Overvoltage Protection40VSafeguards circuits from voltage spikes
Heat DissipationDual aluminum heat sinksEnsures stable operation under continuous load
Safety ComplianceSingle-phase design with certificationsMeets industry standards for safe use

Customization guide

Adjustable input/output voltage and current via terminal blocks to meet specific system requirements. Optimize for LED driver compatibility or industrial machinery by reconfiguring wiring and component settings.

Get inspired

With its 20A constant current capability and 300W power handling, this converter is ideal for powering large LED installations or high-current devices. The modular design allows easy integration into lighting systems, robotics, or renewable energy setups.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Max Output Power300W450W (+50%)600W (+100%)
Efficiency88%92% (+4%)95% (+7%)
Heat DissipationAluminum finsEnhanced aluminum + fanLiquid cooling
Protection FeaturesOvervoltageOvervoltage + short-circuitAll + temperature monitoring

Supplier's note

  1. Technical Breakthroughs:

    • Liquid Cooling (Pro Model): Triple the heat dissipation of standard models, enabling uninterrupted operation in industrial environments.
    • 95% Efficiency (Pro): Reduces energy waste by 12% compared to industry benchmarks, lowering operational costs.
    • Integrated Temperature Monitoring: Alerts users to overheating risks, preventing system failures in 24/7 applications.
  2. Version Selection Guide:

    • Base Model: Ideal for residential LED lighting or small workshops needing reliable 300W power.
    • Advanced Model: Best for commercial setups requiring 450W and enhanced protection against short circuits.
    • Pro Model: Tailored for industrial automation or data centers where 600W power, liquid cooling, and real-time temperature control are critical.

With the Pro’s liquid cooling and 95% efficiency, you can power high-density LED grids without thermal throttling. The Advanced Model’s short-circuit protection makes it perfect for unpredictable field conditions. Choose wisely based on your power demands and environmental constraints.

Frequently asked questions

  • Which 300W DC DC Buck Converter suits high-power LED lighting setups?

  • How do I maintain the heat sinks on my 300W DC DC Buck Converter?

  • Aluminum vs Copper Heat Sinks: Why does this converter use aluminum?

  • Can I customize the output voltage/current on this 300W DC DC Buck Converter?

  • Is the 300W DC DC Buck Converter’s material FDA-approved for safety?

  • Which LEDs are compatible with this Constant Current LED Driver?

  • How does the 300W Buck Converter improve efficiency compared to others?

  • Is the 300W DC DC Buck Converter easy to install in existing systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Power Handling CapacityIndustrial lighting, heavy machineryIndustry: 250W (IEC 60947-6-1)Our Base: 300W (▲)Our Advanced: 350W (▲▲)
Overvoltage ProtectionSensitive electronics, automotive systemsIndustry: 35V (IEC 61000-4-5)Our Base: 40V (▲)Our Advanced: 45V (▲▲)
Thermal EfficiencyHigh-temperature environments (e.g., ovens)Industry: 40°C ambient (IEC 60068-2-1)Our Base: 50°C (▲)Our Advanced: 60°C (▲▲)
Output Current StabilityLED lighting, medical devicesIndustry: ±5% tolerance (IEC 61000-3-2)Our Base: ±3% (▲)Our Advanced: ±1.5% (▲▲)
Customization FlexibilityTailored applications (e.g., robotics)Industry: Fixed settingsOur Base: Adjustable voltage/current (▲)Our Advanced: Smart digital control (▲▲)
Safety ComplianceRegulated industries (e.g., aerospace)Industry: Basic certifications (IEC 60950)Our Base: UL/CE certified (▲)Our Advanced: MIL-STD-810 (▲▲)

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