{"product_id":"dc-12v-led-digital-delay-timer-control-switch-relay-module","title":"DC 12V LED Digital Delay Timer Relay Module – A02F-3X","description":"\n\u003ch2\u003eDC 12V LED Display Digital Delay Timer Control Switch Relay Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eA02F-3X DC 12V Digital Delay Timer Relay Module\u003c\/strong\u003e is a compact, reliable automation control solution designed for a wide range of 12V DC applications. Featuring a bright LED display and straightforward parameter programming, this module lets you precisely control the on\/off timing of devices — perfect for automotive systems, industrial automation, home projects, and DIY electronics builds.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Digital Display:\u003c\/strong\u003e Clear, easy-to-read readout for quick timer parameter monitoring at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomation Relay Module:\u003c\/strong\u003e Functions as a programmable delay timer, control switch relay, and relay module all in one compact unit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-Reverse Protection:\u003c\/strong\u003e Built-in supply anti-reverse function protects the circuit from accidental reverse polarity connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePersistent Memory:\u003c\/strong\u003e Parameters are retained after power-off, so your settings are preserved even through power interruptions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB Construction:\u003c\/strong\u003e Built on a quality printed circuit board for stable, long-lasting performance in daily use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Dimensions of 64.2mm × 34.8mm × 18.5mm make it easy to integrate into tight enclosures and custom builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e DC 12V input for broad compatibility with automotive and electronics systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e A02F-3X\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Automation Relay \/ LED Digital Relay \/ Delay Timer \/ Control Switch Relay \/ Relay Module\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e DC 12V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 64.2mm × 34.8mm × 18.5mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Printed Circuit Board (PCB)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSemi-finished Product:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × A02F-3X DC 12V LED Digital Delay Timer Control Switch Relay Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomotive electrical systems and accessories\u003c\/li\u003e\n  \u003cli\u003eHome automation and DIY electronics projects\u003c\/li\u003e\n  \u003cli\u003eIndustrial control panels and timing circuits\u003c\/li\u003e\n  \u003cli\u003ePump, fan, and motor delay control setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor general guidance on electrical safety when working with relay modules and control circuits, refer to the \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Electrical Safety guidelines\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does the A02F-3X DC 12V LED Digital Delay Timer Relay Module do?\u003c\/h4\u003e\n\u003cp\u003eA: The A02F-3X is a programmable digital delay timer relay module that allows you to set precise time delays for switching 12V DC circuits on or off. It features an LED display for easy parameter monitoring, a built-in anti-reverse protection function, and persistent memory that retains your settings after power is removed — making it ideal for automation, automotive, and DIY electronics applications.\u003c\/p\u003e\n\u003ch4\u003eQ: What voltage does this relay module require?\u003c\/h4\u003e\n\u003cp\u003eA: This module operates on DC 12V input, making it compatible with most automotive electrical systems, 12V power supplies, and a wide variety of electronics projects.\u003c\/p\u003e\n\u003ch4\u003eQ: How are the timer parameters set and stored?\u003c\/h4\u003e\n\u003cp\u003eA: Timer parameters are configured directly via the module's controls and shown on the LED digital display. Once set, the parameters are stored in non-volatile memory, meaning they are retained even after the power is disconnected, so you don't need to reprogram the module each time it is powered on.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the physical size of the A02F-3X module?\u003c\/h4\u003e\n\u003cp\u003eA: The module measures 64.2mm × 34.8mm × 18.5mm, making it compact enough to fit into custom enclosures, control boxes, and space-constrained installations.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the A02F-3X DC 12V LED Digital Delay Timer Relay Module do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The A02F-3X is a programmable digital delay timer relay module that allows you to set precise time delays for switching 12V DC circuits on or off. It features an LED display for easy parameter monitoring, a built-in anti-reverse protection function, and persistent memory that retains your settings after power is removed — making it ideal for automation, automotive, and DIY electronics applications.\"}}, {\"@type\": \"Question\", \"name\": \"What voltage does this relay module require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This module operates on DC 12V input, making it compatible with most automotive electrical systems, 12V power supplies, and a wide variety of electronics projects.\"}}, {\"@type\": \"Question\", \"name\": \"How are the timer parameters set and stored?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Timer parameters are configured directly via the module's controls and shown on the LED digital display. Once set, the parameters are stored in non-volatile memory, meaning they are retained even after the power is disconnected, so you don't need to reprogram the module each time it is powered on.\"}}, {\"@type\": \"Question\", \"name\": \"What is the physical size of the A02F-3X module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The module measures 64.2mm × 34.8mm × 18.5mm, making it compact enough to fit into custom enclosures, control boxes, and space-constrained installations.\"}}]}\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:\/\/vpggdm-rp.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Tech, Tools \u0026 Auto\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/collections\/tech-tools-auto\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"DC 12V LED Digital Delay Timer Relay Module – A02F-3X\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/products\/dc-12v-led-digital-delay-timer-control-switch-relay-module\"}]}\u003c\/script\u003e","brand":"Qme","offers":[{"title":"as shown","offer_id":49691617951958,"sku":"14:350850#as shown","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/5243\/8486\/files\/Sdb14c65fcf5d485f8a0926cde26d07ed7.webp?v=1785163197","url":"https:\/\/qmeboost.com\/products\/dc-12v-led-digital-delay-timer-control-switch-relay-module","provider":"Qme","version":"1.0","type":"link"}