511V DC to 12V DC converter with 3A (36W) output Stable 12V output from 511V input: delivers up to 12V at 3A (36W) with up to 95% conversion efficiency, ideal for automotive and marine setups that require reliable voltage stepup and minimal energy loss Durable waterproof design: rugged diecast aluminum shell with silicone sealing; IP68 rated for waterproof, dustproof and shockproof performance; natural heat dissipation ensures reliable operation in harsh environments Advanced safety protections: intelligent protection chip guards against overvoltage, undervoltage, overcurrent and short circuits; operates safely across a wide temperature range of 25 to 85 degrees Celsius Wide compatibility and versatility: suitable for trucks, carts, LED systems, equipment and DIY projects; a versatile solution for various 12V applications needing power and durable construction Use scenarios Automotive and work vehicles: power 12V accessories such as LED light bars, cooling fans or other current devices with a stable supply Marine and outdoor applications: run navigation gear, radios, lighting and other 12V electronics in demanding environments DIY projects and installations: power 12V LED strips, sensors or other power modules in custom builds with reliable performance