{"product_id":"12v-3a-switching-power-supply-ac-dc-converter-module","title":"12V 3A Switching Power Supply AC to DC Converter Module","description":"\n\u003ch2\u003e12V 3A Switching Power Supply Bare Board — AC to DC Converter Module\u003c\/h2\u003e\n\u003cp\u003ePower your electronics projects with confidence using this compact \u003cstrong\u003e12V 3A Switching Power Supply Bare Board\u003c\/strong\u003e. Designed to convert standard AC mains voltage (110–240V) to a stable \u003cstrong\u003eDC 12V \/ 3A output\u003c\/strong\u003e, this module is a reliable choice for DIY electronics, embedded systems, LED drivers, industrial automation, and more. Its wide-input voltage range makes it compatible with power grids around the world.\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 110V–240V, making it suitable for use in North America, Europe, Asia, and beyond.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable DC Output:\u003c\/strong\u003e Delivers a steady 12V DC at up to 3A (36W max), ideal for powering microcontrollers, LED strips, sensors, routers, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwitching Technology:\u003c\/strong\u003e High-efficiency switch-mode design minimizes heat generation and energy waste compared to linear regulators.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBare Board Design:\u003c\/strong\u003e Compact, open-frame module that can be easily integrated into enclosures, panels, or custom builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eABS Construction:\u003c\/strong\u003e Key components protected with durable ABS material for added longevity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Small footprint (approx. 82.5mm × 43mm × 22mm) fits easily into tight spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003cth style=\"text-align:left; padding:8px; border:1px solid #ddd;\"\u003eParameter\u003c\/th\u003e\n    \u003cth style=\"text-align:left; padding:8px; border:1px solid #ddd;\"\u003eValue\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eInput Voltage\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eAC 110V – 240V\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eOutput Voltage\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eDC 12V\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eOutput Current\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e3A (Max)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMax Output Power\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e36W\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eBoard Dimensions\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eApprox. 82.5mm × 43mm × 22mm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMaterial\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eABS\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eCountry of Origin\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMade in Mainland China\u003c\/td\u003e\n  \u003c\/tr\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 Bare Board 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 differences, the item's color may appear slightly different from product images.\u003c\/li\u003e\n  \u003cli\u003ePlease allow 1mm–10mm dimensional differences due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eThis is a bare board module — appropriate electrical safety precautions should be observed during installation. Mains voltage is present on the input side.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety \u0026amp; Electrical Standards\u003c\/h3\u003e\n\u003cp\u003eFor guidance on electrical safety standards for switching power supplies and AC-DC converters, refer to the U.S. Consumer Product Safety Commission (CPSC) — Electronic Products Safety Guidance.\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 powering a wide range of 12V DC devices drawing up to 3A (36W), including LED strips, CCTV cameras, routers, Arduino\/Raspberry Pi setups with peripherals, small motors, sensors, and other embedded electronics projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this power supply module compatible with both 110V and 240V mains?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This AC-to-DC converter accepts a wide input range of AC 110V–240V, making it universally compatible with standard electrical outlets in North America, Europe, Asia, Australia, and most other regions worldwide.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do I need any special tools or skills to install this bare board power supply?\u003c\/h4\u003e\n\u003cp\u003eA: This is an open-frame bare board module intended for integration into enclosures or custom builds. Basic electronics knowledge and proper safety precautions are recommended, as the input terminals carry mains voltage. Always ensure the module is properly housed and insulated before powering it on.\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 powering a wide range of 12V DC devices drawing up to 3A (36W), including LED strips, CCTV cameras, routers, Arduino\/Raspberry Pi setups with peripherals, small motors, sensors, and other embedded electronics projects.\"}}, {\"@type\": \"Question\", \"name\": \"Is this power supply module compatible with both 110V and 240V mains?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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