440V

LM2596 DC-DC Buck Power Converter Module, Adjustable Voltage Regulator 4-40V to 1.25-37V Buck Converter with LED Voltmeter Display（Pack of 3）

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LM2596 DC-DC Buck Power Converter Module, Adjustable Voltage Regulator 4-40V to 1.25-37V Buck Converter with LED Voltmeter Display（Pack of 3）
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