{"product_id":"dc-12v-3a-access-control-power-supply-no-nc-relay-output","title":"DC 12V 3A Access Control Power Supply | NO\/NC Relay Output","description":"\n\u003ch2\u003eDC 12V 3A Access Control Power Supply with NO\/NC Relay Output\u003c\/h2\u003e\n\u003cp\u003ePower your electric lock or door access control system with confidence using this reliable DC 12V 3A switching power supply. Featuring both Normally Open (NO) and Normally Closed (NC) relay outputs, this compact unit is engineered for seamless integration with electric strikes, magnetic locks, and access control panels. Its wide AC input range (110–240V) makes it suitable for use in virtually any country, and built-in overload and short-circuit protection keeps your equipment safe at all times.\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 110–240V AC at 50–60Hz — compatible with power standards worldwide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable DC Output:\u003c\/strong\u003e 12V DC at 3A (36W) with a ±10%–15% adjustable trim range for fine-tuned voltage control\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNO\/NC Relay Output:\u003c\/strong\u003e Supports both Normally Open and Normally Closed configurations for maximum wiring flexibility\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShort-Circuit \u0026amp; Overload Protection:\u003c\/strong\u003e All outputs are fully protected; 0–15 second delay lock on power output safeguards connected devices\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Insulation Voltage:\u003c\/strong\u003e Primary\/secondary inter-polar: 1500V AC; primary\/shell: 1500V AC; secondary\/shell: 500V AC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e -20°C to +35°C for reliable performance in varied environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Approx. 103 × 66 × 33mm (L × W × H) — fits neatly inside access control enclosures\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull-Load Hold Time:\u003c\/strong\u003e Typically 20ms, ensuring momentary power interruptions don't disrupt lock operation\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\u003eK80\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110–240V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50–60Hz\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\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\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Trim Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±10%–15%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHold Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTypically 20ms at full load\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 +35°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInsulation Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1500V AC (primary\/secondary); 500V AC (secondary\/shell)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverload Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes — 0–15 second delay lock on output\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e103 × 66 × 33mm\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 Mainland China\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 × DC 12V 3A Access Control Power Supply (Model K80)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHelpful Resource\u003c\/h3\u003e\n\u003cp\u003eFor guidance on safe electrical installation and wiring practices, refer to the \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Electrical Safety Standards\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of electric locks is this DC 12V 3A power supply compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This power supply is compatible with a wide range of 12V DC-powered access control hardware, including electric strike locks, magnetic door locks (maglocks), and electric bolt locks. The NO\/NC relay output makes it flexible for both fail-secure and fail-safe lock configurations.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this power supply in the US and internationally?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The unit accepts a universal AC input of 110–240V at 50–60Hz, making it suitable for use in North America, Europe, Asia, and most other regions. You may need a plug adapter for different outlet types, but no voltage converter is required.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does the overload protection feature do?\u003c\/h4\u003e\n\u003cp\u003eA: If a short circuit or overload condition is detected on any output, the power supply automatically protects itself and connected devices. The 0–15 second output delay lock prevents damage during startup or fault conditions, adding an extra layer of security for your access control system.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I adjust the output voltage?\u003c\/h4\u003e\n\u003cp\u003eA: The unit includes a built-in trim adjustment allowing ±10%–15% fine-tuning of the output voltage around the 12V nominal value. This is useful for compensating for cable voltage drop in longer wiring runs or for matching the precise requirements of specific lock hardware.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of electric locks is this DC 12V 3A power supply compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This power supply is compatible with a wide range of 12V DC-powered access control hardware, including electric strike locks, magnetic door locks (maglocks), and electric bolt locks. The NO\/NC relay output makes it flexible for both fail-secure and fail-safe lock configurations.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this power supply in the US and internationally?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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This is useful for compensating for cable voltage drop in longer wiring runs or for matching the precise requirements of specific lock hardware.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Fasteners \u0026 Electrical\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/collections\/fasteners-electrical\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"DC 12V 3A Access Control Power Supply | NO\/NC Relay Output\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/products\/dc-12v-3a-access-control-power-supply-no-nc-relay-output\"}]}\u003c\/script\u003e","brand":"Vue","offers":[{"title":"Default Title","offer_id":48753047601344,"sku":"\u003cnone\u003e","price":42.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9338\/7968\/files\/HTB1ItdgyyCYBuNkSnaVq6AMsVXah.webp?v=1786264648","url":"https:\/\/vueselect.com\/products\/dc-12v-3a-access-control-power-supply-no-nc-relay-output","provider":"Vue","version":"1.0","type":"link"}