AC-DC Power Supply Adapter 12V 3A — Reliable 12V DC PowerThe AC-DC Power Supply Adapter 12V 3A provides a stable, regulated 12V DC output with a maximum current of 3A (36W). Designed for makers, hobbyists and professionals, this adapter converts 100–240V AC mains to a low-noise, low-ripple DC supply suitable for a wide range of electronics.Why choose this 12V 3A power adapter?Regulated output ensures steady voltage and protects sensitive electronics from voltage fluctuations.High efficiency design minimizes heat and power loss for reliable long-term use.Multiple built-in safety protections including over-voltage, over-current and short-circuit protection.Standard 5.5mm x 2.1mm barrel plug for broad compatibility with consumer and maker devices.Key FeaturesInput Voltage: 100–240V AC, 50/60HzOutput Voltage: 12V DC (regulated)Maximum Output Current: 3AOutput Power: 36W (max)Connector: 5.5mm x 2.1mm DC barrel plugProtections: Overload, short-circuit, over-voltage protectionHigh efficiency and low ripple design for stable performanceCompact, lightweight and portable housingTechnical SpecificationsModel: AC-DC Power Supply Adapter 12V 3AInput Range: 100–240V ACFrequency: 50/60HzOutput: 12V DC, up to 3AMaximum Power: 36WConnector Type: 5.5mm x 2.1mm barrelProtection Features: OVP, OCP, SCPApplications and CompatibilityThis 12V 3A adapter is ideal for a wide range of devices and projects:Arduino and other microcontroller boardsLED strip lighting and lighting controllersCCTV security cameras and DVR systemsRouters, modems and small networking equipmentSmall DC motors, hobby electronics and roboticsDIY projects in workshops, labs and classroomsInstallation and Safety TipsVerify device voltage and current requirements before connecting.Ensure the barrel connector polarity matches the device specifications (center positive is common).Avoid exposing the adapter to moisture or extreme temperatures.Unplug the adapter before servicing connected equipment.What’s in the BoxAC-DC Power Supply Adapter 12V 3A with 5.5mm x 2.1mm barrel plugUser note: Images are for illustration purposes onlyWho should buy this adapter?If you need a dependable, compact 12V DC power source for Arduino projects, LED lighting, CCTV systems or small electronics, this 12V 3A AC-DC adapter is a practical and economical choice. Its regulated output and built-in protections make it suitable for both prototyping and deployment.Note: Always confirm the required polarity and current draw of your device before connecting a power adapter. Category: Batteries, Cells and Power Supply Tags: 12V 3A charger, 12V 3A power supply, 12V adapter for router, 12V LED strip adapter, AC-DC power adapter 12V 3A, Arduino power adapter, CCTV power supply, DC adapter 12V, Electronics Power Adapter, regulated DC adapter 12V College Road Electronics4.85 (317 Reviews)
