It is a 300W Buck converter/Power Supply Module, Input Voltage: DC 48V(wide range 30V~60V), Output Voltage: DC12V+/-0.25V, Output Current: 25A,  it has short-circuit, overcurrent, over-temperature,  low heat and dissipate heat protection, very suitable for buses, CMB, large trucks, motor car so on.

• Input Voltage: DC 48V(wide range 30V-60V)
• Output Voltage: DC 12V+/-0.25V
• Output Power: 300W
• Output Current: 25A  
• Conversion Efficiency: 96%
• Overcurrent Protection:
• Operating Temperature：-40°C ～ +85°C
• Dimension：74*74*32mm
• Weight：250g

• Strict quality control: made of imported main components and aluminium shell, adopted the technologies of synchronous rectification, highconversion efficient of 96%, low heat generated and stable performance.
• Safe to use: it is water anti-shock, dampproof and anti-dust; high voltage protection, output over current protection, output short circuit protection, chip overheating protection.
• Easy installation: there are 4 wires, red  wire is for the input +, black wire is for the input -, yellow  wire is for the output +, black wire is for the output -.
• Wide application:  used on motor, speaker, GPS, LED car display screen, air-conditioner, electric fan, solar energy, photovoltaic power, DVD, industrial equipment and so on.

• Input：red(+) black(-)
• Output：yellow(+) black(-)

• 1 x 30-60V to 12V 25A Buck Converter  (Power Supply Module/Car Adapter)