12V to 48V 3A 144W DC to DC Converter

The WEHO WH-B124803 is an exceptionally efficient DC-DC boost converter, designed to step up a 12VDC input to a stable 48VDC output. Delivering 145W of power at 3A, it operates with a remarkable 95% efficiency, making it a market leader for minimizing power loss and heat generation. This compact unit is fully sealed and waterproof, ensuring reliable performance in the most demanding environments. It features intelligent, auto-recovering overcurrent protection and requires a 20A fuse for short-circuit safety. With a reliability of over 100,000 hours, the WH-B124803 is the perfect choice for powering 48V systems where efficiency and durability are paramount.
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Description

Summary
Rated output: power 145W

Input voltage: 12VDC

General specification

Model	WH-B124803
Rated Output Power (W)	145W
Rated Input Voltage (V)	12VDC
Rated Output Voltage (V)	48VDC
Voltage Range (V)	10V-16VDC
Starting Voltage (V)	10VDC 100% load
No-load Power Consumption (W)	< 0.5W
Efficiency	95%
Voltage (V)	48VDC
Current (A)	3A
Voltage Tolerance	1％
Load Regulation	3％
Wave (MVP-p)	500mv External 22UF capacitor ESR < 0.1Ω 100KHZ
Over-current Protection	In the case of rated output, if the rated current exceeds 120%, the overcurrent protection will activate and recover automatically once the overcurrent subsides.
Short Circuit Protection	Input requires adding a 20A fuse
Input-Output	Non-isolated
Waterproof	Fully sealed and waterproof
Dimension	747432mm
N.W.	300g
Cooling Method	Natural Method
Rated Temperature rise (℃)	45℃
Reliability	＞100000h
Wire Indicator	Input Positive (red), Input Negative (black), output positive (yellow), Output Negative (black), lead length = 160 mm ± 10mm