12V to 28V 20A 560W DC to DC Converter

Engineered for substantial power needs, the WEHO WH-B122820 DC-DC converter provides a powerful 560W output. It reliably boosts a 12VDC input to a steady 28VDC, 20A supply, operating at a high efficiency of 94% to reduce heat and save energy. The converter’s design is focused on durability, featuring a fully sealed and waterproof aluminum housing that protects it from moisture and dust. Safety is ensured with integrated, auto-recovering overcurrent protection. With its fanless natural cooling and a reliability rating of over 100,000 hours, the WH-B122820 is an excellent choice for consistent and maintenance-free power.
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Description

Summary
Rated output: power 560W

Input voltage: 12VDC

General specification

Model	WH-B122820
Rated Output Power (W)	560W
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)	20A
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.
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