Buck Converter 48V to 12V, 5A/10A/20A-60A

SKU: PH-DCBC-4812
$82.17
● Buck converter 48V to 12V can choose the current 5A/10A/20A-60A, and the power can be selected from 60W-720W. ● 100% full-load aging tested, compact aluminum case, easy to install, wide voltage input with up to 95% efficiency. ● DC DC step down converter has short circuit, overcurrent, overvoltage, overtemperature protection, and waterproof function. ● Suitable for EVs, telecom, industrial control, solar systems, and DIY embedded power supply.
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Overview

The buck converter 48V to 12V offers selectable output currents from 5A to 60A (60W–720W), featuring 100% full-load aging testing, high efficiency up to 95%, and a compact aluminum casing for easy installation. It includes multiple protections such as short circuit, overcurrent, overvoltage, overtemperature, and low voltage, along with IP68 waterproof and dustproof sealing. Built with components (e.g., Black Diamond, T, Ruby), pure copper wire inductors, and advanced SMT assembly using high-quality brands like TI and NICHICON, the converter ensures stable output, minimal interference, over 100,000 hours of service life, and comes with a 2-year warranty. DC DC buck converter ideal for EVs, telecom, industrial control, solar systems, and embedded applications.

48V to 12V DC DC buck converter feature

Feature

  • 100% full power, high stability output.
  • Imported components (such as: Black Diamond, T, Ruby, etc.).
  • Built-in over-current, low voltage, over-temperature, short circuit protection.
  • Long service life of more than 100000 hours.
  • Two years warranty service.
 

Details

  1. Enclosure: Aluminum alloy casing with high thermal conductivity for efficient heat dissipation and durability in industrial environments.
  2. Protection: Built-in protections including over-voltage, over-current, short-circuit, and over-temperature, ensuring safe and reliable performance in the DC voltage buck converter.
  3. Mounting: Pre-drilled mounting holes for easy installation in vehicles, cabinets, or equipment enclosures.
  4. Connection Terminals: High-current terminals or heavy-duty input/output wires (based on model) to ensure stable electrical contact.
DC DC buck converter 48v to 12v 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 48V
Voltage range 35-60V
Efficiency 94% @ 36V input
Positive cable (red) 16 AWG @ 16.5cm length
Negative cable (black) 16 AWG @ 16.5cm length
Output
Voltage 12V
Max. rated current 15A
Max. rated power 180W
Voltage regulation ±1%
Load regulation 2%
No load loss 40mA
Ripple & noise 160~200mV
Positive cable (yellow) 14 AWG @ 16.5cm length
Negative cable (black) 14 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 290g
Size 74*74*32mm

Note: This table takes the specification of 48V to 12V, 15A as an example, please see the selection table below for other specification files.


48V to 12V DC-DC Buck Converter Model Selection

Output Current/Power: 5A/60W, Efficiency: 94%, Size: 57*64*22mm PDF computing48V to 12V 5A DC DC Buck Converter User Manual
Output Current/Power: 10A/120W, Efficiency: 94%, Size: 74*74*32mm PDF computing48V to 12V 10A DC DC Buck Converter User Manual
Output Current/Power: 15A/180W, Efficiency: 95%, Size: 74*74*32mm PDF computing48V to 12V 15A DC DC Buck Converter User Manual
Output Current/Power: 20A/240W, Efficiency: 94%, Size: 74*74*32mm PDF computing48V to 12V 20A DC DC Buck Converter User Manual
Output Current/Power: 30A/360W, Efficiency: 95%, Size: 100*80*39mm PDF computing48V to 12V 30A DC DC Buck Converter User Manual
Output Current/Power: 50A/600W, Efficiency: 95%, Size: 150*127*63mm PDF computing48V to 12V 50A DC DC Buck Converter User Manual
Output Current/Power: 60A/720W, Efficiency: 95%, Size: 150*127*63mm PDF computing48V to 12V 60A 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: How does this Buck Module work?

The DC DC buck converter utilizes switching power technology to efficiently convert 48V input voltage to a stable 12V output through internal high frequency MOS tubes and inductors, and is suitable for automotive, industrial and communication scenarios with up to 96% efficiency.

Q2: How to choose the DC DC buck converter output current?

The selection of output current is based on the load power. For example:

  • 5A is suitable for ≤60W equipment
  • 10A can carry ≤120W load
  • 20A~60A is suitable for industrial systems, communication base stations, vehicle inverters and other high-power equipment.

When choosing, we should leave 20% margin for the equipment to ensure that the module is not overloaded.

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