12V to 28V 25A 700W DC to DC Converter

The WEHO WH-B122825 is a high-power DC-DC converter designed for systems requiring a significant power boost, delivering a potent 700W output. It converts a 12VDC input to a strong 28VDC, 25A supply with a high efficiency of 94%. Housed in a robust, fully sealed, and waterproof enclosure, it is built to perform reliably in even the most challenging environments. The unit includes intelligent overcurrent protection that automatically resets and requires a 120A fuse for complete short-circuit safety. With a proven reliability of over 100,000 hours, the WH-B122825 is an ideal solution for heavy-duty applications demanding both power and dependability.
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Description

Summary
Rated output: power 700W

Input voltage: 12VDC

General specification

Model	WH-B122825
Rated Output Power (W)	700W
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)	< 0.5W
Efficiency	94%
Voltage (V)	28VDC
Current (A)	25A
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	15012763mm
N.W.	1500g
Cooling Method	Natural Method
Rated Temperature rise (℃)	45℃
Reliability	＞100000h
Wire Indicator	Input positive 12V GND input output negative output positive 24V