{"product_id":"dc-12v-access-control-power-supply-electric-magnetic-lock-adapter","title":"DC 12V 3.5A Access Control Power Supply for Electric Locks","description":"\n\u003ch2\u003eDC 12V 3.5A Access Control Power Supply Adapter — Universal AC 100–240V Input\u003c\/h2\u003e\n\u003cp\u003eKeep your doors secure and your access control system running smoothly with this dependable DC 12V 3.5A power supply. Built with high-quality electronic components and advanced circuit engineering, this adapter delivers stable, regulated power to electric locks, magnetic locks, RFID\/IC card readers, exit push buttons, and access controllers — all from a single compact unit.\u003c\/p\u003e\n\u003cp\u003eWhether you're upgrading a commercial entry system or setting up a new door access installation, this power supply is engineered for consistent, interference-free performance across a wide range of operating environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Input:\u003c\/strong\u003e Accepts AC 100V–240V, 50–60 Hz — fully compatible with global electrical standards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable DC Output:\u003c\/strong\u003e Regulated DC 12V \/ 3.5A output for reliable, low-noise power delivery.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Lock Control:\u003c\/strong\u003e Drives electric and magnetic locks directly, reducing load on your access controller and simplifying wiring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNC \/ NO Output Selection:\u003c\/strong\u003e Configurable Normally Closed (NC) or Normally Open (NO) outputs to suit virtually any electric lock type.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Time Delay:\u003c\/strong\u003e Built-in delay control circuit with 3 \/ 6 \/ 9-second settings (0–15 seconds adjustable) for flexible lock-release timing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Short-Circuit Protection:\u003c\/strong\u003e Built-in protection circuit temporarily disconnects power or trips the auto-fuse in the event of an unexpected short circuit, safeguarding connected devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e Performs reliably from –20°C to +50°C, suitable for both indoor and outdoor-adjacent installations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Measures just 10.2 × 6.7 × 3.3 cm — easy to mount or conceal within a door frame or control cabinet.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable in White or Black\u003c\/strong\u003e to blend with your installation environment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAsia-Teco\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKDB05\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAC Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 100–240V, 50–60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDC Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 12V \/ 3.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTime Delay Settings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 \/ 6 \/ 9 seconds (0–15 sec adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNC \/ NO selectable\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e–20°C to +50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.2 × 6.7 × 3.3 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite \/ Black\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\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Devices\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectromagnetic locks, electric strike locks, access controllers, RFID\/IC readers, exit push buttons\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Compatible?\u003c\/h3\u003e\n\u003cp\u003eThis power supply is designed to work seamlessly with:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eElectromagnetic (magnetic) door locks\u003c\/li\u003e\n  \u003cli\u003eElectric strike locks\u003c\/li\u003e\n  \u003cli\u003eDoor access controllers\u003c\/li\u003e\n  \u003cli\u003eRFID and IC card readers\u003c\/li\u003e\n  \u003cli\u003eFingerprint access machines\u003c\/li\u003e\n  \u003cli\u003eExit request \/ push-button devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety \u0026amp; Standards\u003c\/h3\u003e\n\u003cp\u003eFor guidance on electrical safety standards for power supplies and access control installations, refer to the U.S. Consumer Product Safety Commission (CPSC) and \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Electrical Safety guidelines\u003c\/a\u003e to ensure your installation meets applicable safety requirements.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this access control power supply compatible with both 110V and 220V electrical systems?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The unit accepts a wide-range AC input of 100V–240V at 50–60 Hz, making it fully compatible with electrical systems in the United States, Europe, Asia, and most other regions worldwide without any need for a separate voltage converter.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this power supply to directly control an electromagnetic (magnetic) lock?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The power supply is specifically designed to drive electromagnetic and electric strike locks directly. It reduces the load on your access controller and supports both NC (Normally Closed) and NO (Normally Open) wiring configurations, giving you flexibility for almost any lock type.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the time delay function work?\u003c\/h4\u003e\n\u003cp\u003eA: The built-in delay control circuit allows you to set how long the lock stays released after an access event. Preset options are 3, 6, or 9 seconds, with an adjustable range of 0–15 seconds, so you can fine-tune door-hold-open time to suit your security requirements.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What happens if there is a short circuit in the system?\u003c\/h4\u003e\n\u003cp\u003eA: The unit features automatic short-circuit protection. If a short circuit is detected, the power supply will temporarily disconnect or the built-in auto-fuse will trip, protecting your connected access control devices from damage.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What are the dimensions of this power supply unit?\u003c\/h4\u003e\n\u003cp\u003eA: The unit measures 10.2 × 6.7 × 3.3 cm, making it compact enough to mount inside a door frame cavity, a wall-mount box, or a control panel cabinet.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this access control power supply compatible with both 110V and 220V electrical systems?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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