48V to 12V 20A DC to DC Converter

GP-4812W-20A

The waterproof version of popular regulator for the 20A buck converter converts the voltage from 48V to 12VDC

The most popular model is now waterproof.
This high-efficiency DC-DC converter is designed to convert 40–60VDC input into stable nominal 12VDC output for vehicle auxiliary power systems, industrial automation equipment, communication devices, renewable energy systems, and off-grid power applications.
With up to 20A output current and up to 96% conversion efficiency, this converter provides dependable DC power conversion for systems that use a 48V battery platform but require 12V auxiliary power for connected devices, control modules, sensors, lighting, communication equipment, or onboard electronics.

Designed with a compact metal case and fan cooling, this converter supports continuous-duty operation in mobile, industrial, marine, renewable energy, and automation environments. Built-in protection functions help support safer operation against reverse polarity, over-current, over-temperature, low battery voltage, high input voltage, and output short circuit conditions.
For system integrators, vehicle equipment builders, industrial equipment manufacturers, and renewable energy professionals, this converter can be used in commercial vehicles, marine electronics, solar energy storage systems, communication equipment, AGV / AMR support systems, drone ground support equipment, and smart automation applications where stable auxiliary DC power is required.
This model is suitable for systems using a 48V battery source and requiring nominal 12VDC output with up to 20A current. Before selection, customers should confirm input voltage range, output current demand, load type, installation space, cooling conditions, protection requirements, and operating environment.

Features

• 48V to Nominal 12V DC Conversion:Converts 40–60VDC input into stable nominal 12VDC output for robotics support equipment, drone ground systems, vehicle auxiliary power, and industrial power integration.
• 20A Output Current Provides up to 20A output current for smart equipment, control modules, communication devices, onboard electronics, sensors, lighting, and auxiliary power loads.
• High Conversion Efficiency: Up to 96% conversion efficiency helps reduce power loss and improve system performance in mobile, automation, industrial, and off-grid applications.
• Designed for 48V Battery Systems: Suitable for systems using 48V battery platforms, including AGV / AMR systems, UAV ground support equipment, vehicle auxiliary power, renewable energy storage, and industrial backup power.
• Compact Metal Case with Fan Cooling: The metal case and fan cooling design help support heat dissipation and stable operation under continuous-duty applications.
• Built-in Protection Functions:Designed with protection against reverse polarity, over-current, over-temperature, low battery voltage, high input voltage, and output short circuit.
• Status LED Indicator:Equipped with a status LED for quick operating status identification during installation, maintenance, or system inspection.
• Suitable for System Integration: Designed for applications where stable auxiliary DC output, protection design, cooling performance, wiring layout, and installation compatibility are important selection factors.

Specification

• Model no.GP-4812W-20A(B)
• DC Input Voltage : 40 ~ 60V
• Output Voltage : 13.3 ± 0.5V
• Output Current : 20A
• Heat Dissipated : Metal Case and Fan
• DC Input terminal : Terminal
• DC Output terminal : Terminal
• Status LED : Yes
• Conversion Efficiency : up to 96%
• DC Input Low Battery Shutdown : ＜40V
• DC Input High Battery Shutdown : ＞60V
• DC Input Polarity Protection : Yes by Fuse
• DC Input Current Protection : Fuse(5A)
• Over temp Protection : 60 ± 5℃
• DC Output Short Protection : Yes
• DC Output Over Current Protection : 25A
• Dimensions : 150(W) × 86(H) × 56(D)mm
• Weight : 450g

Applications

• Smart Equipment and Robotics Support:Supports AGV, AMR, smart equipment, automated systems, and robotics-related power systems where 48VDC battery power must be converted into stable nominal 12VDC output.
• Drone Ground Support Equipment: Suitable for drone support equipment, UAV ground stations, mobile inspection systems, and field operation devices requiring reliable auxiliary DC power from a 48V battery platform.
• Vehicle Auxiliary Power Systems:Suitable for commercial vehicles, utility vehicles, electric vehicle auxiliary power systems, and vehicle-mounted equipment requiring stable nominal 12VDC output from a 48V battery source.
• Industrial Automation Systems:Provides auxiliary DC power for automation equipment, control systems, sensors, industrial devices, and smart control modules.
• Communication Equipment:Supports communication devices, remote monitoring systems, security systems, surveillance equipment, and onboard electronic systems that require stable DC power.
• Renewable Energy and Off-Grid Systems:Can be used in solar energy storage systems, off-grid power systems, RV power systems, and battery-based power applications requiring 12V auxiliary output.
• Marine Electronics: Suitable for marine electrical systems, onboard electronics, control equipment, and auxiliary DC power applications.

Related Products

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  48V to 12V 20A DC to DC Converter

  GP-4812W-20A

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  The most popular model is now waterproof. This high-efficiency DC-DC converter is designed to convert 40–60VDC input into stable nominal 12VDC output for vehicle auxiliary power systems, industrial automation equipment, communication devices, renewable energy systems, and off-grid power applications. With up to 20A output current and up to 96% conversion efficiency, this converter provides dependable DC power conversion for systems that use a 48V battery platform but require 12V auxiliary power for connected devices, control modules, sensors, lighting, communication equipment, or onboard electronics.

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