{"product_id":"12v-3a-switching-power-supply-module-ac-to-dc-step-down-board","title":"12V 3A Switching Power Supply Module AC to DC Step-Down Board","description":"\n\u003ch2\u003e12V 3A Switching Power Supply Module — Reliable AC to DC Conversion\u003c\/h2\u003e\n\u003cp\u003eConvert standard household AC power (110–240V) to a stable 12V DC output with this compact and efficient switching power supply module. Designed for electronics projects, DIY builds, LED strips, routers, CCTV cameras, and other 12V DC-powered devices, this step-down power supply board delivers consistent, clean power with built-in safety protections you can count on.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal AC Input:\u003c\/strong\u003e Accepts AC 110–240V, 50\/60Hz — compatible with power grids worldwide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable DC Output:\u003c\/strong\u003e Delivers a steady DC 12V at up to 3A (36W max) for reliable device operation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTriple Protection:\u003c\/strong\u003e Built-in over-temperature, overload, and short-circuit protection safeguard both the module and your connected devices\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Board Design:\u003c\/strong\u003e Space-saving form factor ideal for integration into enclosures, DIY electronics, or custom builds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eABS Housing Material:\u003c\/strong\u003e Durable, lightweight ABS construction for everyday reliability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e XPJ-16A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXPJ-16A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 110–240V, 50\/60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3A (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e36W (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOver-temperature, Overload, Short-Circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China (Mainland)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× 12V 3A Switching Power Supply Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDue to lighting and screen settings, the item's color may vary slightly from product images.\u003c\/li\u003e\n  \u003cli\u003ePlease allow 1mm–1cm differences due to manual measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLearn More About Electrical Safety\u003c\/h3\u003e\n\u003cp\u003eFor best practices when working with AC\/DC power supplies and electrical components, refer to the U.S. Consumer Product Safety Commission – Electrical Safety guidelines.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What devices can I power with this 12V 3A switching power supply module?\u003c\/h4\u003e\n\u003cp\u003eA: This module is suitable for a wide range of 12V DC devices including LED strip lights, CCTV cameras, routers, Arduino and Raspberry Pi projects, small motors, fans, and other electronics that require a 12V DC supply at up to 3 amps (36W total).\u003c\/p\u003e\n\u003ch4\u003eQ: Does this power supply module work with both 110V and 240V AC input?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This step-down power supply board accepts a universal AC input range of 110V to 240V at 50\/60Hz, making it compatible with electrical standards in the US, Europe, Asia, and most regions worldwide.\u003c\/p\u003e\n\u003ch4\u003eQ: What safety protections does the XPJ-16A module include?\u003c\/h4\u003e\n\u003cp\u003eA: The module features three layers of built-in protection: over-temperature protection (shuts down if it gets too hot), overload protection (triggers if current draw exceeds rated capacity), and short-circuit protection (safeguards the module and connected devices in the event of a wiring fault).\u003c\/p\u003e\n\u003ch4\u003eQ: Is this power supply module easy to integrate into a DIY project?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The compact board design is well-suited for integration into custom enclosures, electronics builds, and prototyping setups. Standard terminal connections make wiring straightforward for hobbyists and electronics enthusiasts.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What devices can I power with this 12V 3A switching power supply module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This module is suitable for a wide range of 12V DC devices including LED strip lights, CCTV cameras, routers, Arduino and Raspberry Pi projects, small motors, fans, and other electronics that require a 12V DC supply at up to 3 amps (36W total).\"}}, {\"@type\": \"Question\", \"name\": \"Does this power supply module work with both 110V and 240V AC input?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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