12V to 28V 15A 420W DC to DC Converter

The WEHO WH-B122815 delivers a robust 420W of power, making it a powerful solution for applications requiring a stable 28V supply. This DC-DC boost converter efficiently transforms a 12VDC input into a 28VDC, 15A output with an excellent 94% efficiency rating. Its rugged, fully sealed, and waterproof construction ensures it can withstand demanding environmental conditions, while its natural cooling design allows for silent, fanless operation. The converter is equipped with smart, auto-recovering overcurrent protection for enhanced system safety. With a service life exceeding 100,000 hours, the WH-B122815 offers both high performance and exceptional longevity.
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Description

Summary
Rated output: power 420W

Input voltage: 12VDC

General specification

Model	WH-B122815
Rated Output Power (W)	420W
Rated Input Voltage (V)	12VDC
Rated Output Voltage (V)	28VDC
Voltage Range (V)	10V-16VDC
Starting Voltage (V)	10VDC 100% load
No-load Power Consumption (W)	< 0.15W
Efficiency	94%
Voltage (V)	28VDC
Current (A)	15A
Voltage Tolerance	1.5％
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 120A fuse
Input-Output	Non-isolated
Waterproof	Fully sealed and waterproof
Dimension	1008038mm
N.W.	500g
Cooling Method	Natural Method
Rated Temperature rise (℃)	45℃
Reliability	＞100000h
Wire Indicator	Input Positive (red), Input Output Negative (black), output positive (yellow), lead length = 160 mm ± 10mm