Welcome to our shop! This DC Power Converter is made with an aluminum alloy shell and imported high-quality thermal silica gel potting, making it waterproof and dustproof while providing a better heat dissipation effect. It has built-in protection functions such as over current, low voltage, over temperature, and short circuit. We take great pride in its workmanship, using imported components like black diamond, TI, and ruby. Its wide voltage input allows for up to 96% conversion efficiency and a service life of up to 100,000 hours. This converter is widely used in automobiles, electric power, coal mines, aerospace, monitoring systems, railway signals, instrumentation, display screens, automation control, LED markets, and more. The item is made of aluminum alloy and silicone, with the model WG9-40S2403Z. It has an input voltage of DC 12V/24V and an input voltage range of 9-40V DC. The conversion efficiency is 96% and the output voltage is 24V DC. The output current is 3A, providing a rated power of 72W. With an IP68 waterproof rating, it can withstand various working conditions with a temperature range of -40℃ to +80℃. The product size is approximately 6.5 x 6 x 2.3cm / 2.6 x 2.4 x 0.9in. For the wiring method, the input terminal has a red wire (+) for positive and a black wire (-) for negative. The output terminal has a yellow (white) wire (+) for positive and a black wire (-) for negative. 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service. Thank you for choosing our DC Power Converter.