{"product_id":"dc-12v-ne555-delay-relay-timer-switch-monostable-automotive","title":"DC 12V NE555 Delay Relay Timer Switch – Adjustable 0–10s","description":"\n\u003ch2\u003eDC 12V NE555 Delay Relay Timer Switch – Monostable Delay Module for Automotive \u0026amp; More\u003c\/h2\u003e\n\u003cp\u003eTake precise control of your electrical timing with this \u003cstrong\u003eDC 12V NE555 Delay Relay Timer Switch\u003c\/strong\u003e. Built around the trusted NE555 timer chip, this compact monostable module lets you set an adjustable delay from 0 to 10 seconds before your relay engages — protecting your car electronics, sequential-start setups, and more from damaging inrush current.\u003c\/p\u003e\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love This Delay Timer Module\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium NE555 Chip:\u003c\/strong\u003e Industry-standard, highly reliable timer IC delivers stable and repeatable delay performance every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Delay (0–10 Seconds):\u003c\/strong\u003e On-board potentiometer lets you fine-tune the delay right out of the box — no soldering required for basic use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtendable Delay Time:\u003c\/strong\u003e Need longer delays? Simply add a larger capacitor (C1) or an external potentiometer to extend beyond 10 seconds. Delay formula: \u003cem\u003eT = 1.1 × R × C\u003c\/em\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Status Indicators:\u003c\/strong\u003e Dedicated LED indicators for input power and relay pull-in status — always know what state your module is in at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Power Relay Output:\u003c\/strong\u003e Controls AC 220V \/ 10A loads (up to 2,000W) — ideal for switching larger devices safely.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelay Renewal Protection:\u003c\/strong\u003e Built-in protection circuitry shields the relay from voltage spikes and wear.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Measures just 65 × 21 × 12 mm — fits neatly in automotive panels, project enclosures, and control boxes.\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\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMain Chip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003eNE555\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003eDC 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDelay Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e0 – 10 seconds (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eRelay Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003eAC 220V \/ 10A (max 2,000W)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003eMonostable\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eProduct Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e65 × 21 × 12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #ddd;\"\u003e1 × NE555 Time Delay Relay Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Use Cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e🚗 \u003cstrong\u003eAutomotive Electronics:\u003c\/strong\u003e Delay power to sensitive car components during ignition to prevent burnout from high startup current.\u003c\/li\u003e\n  \u003cli\u003e⚡ \u003cstrong\u003eSequential Start Systems:\u003c\/strong\u003e Stagger the startup of multiple devices to avoid overloading circuits when switching on simultaneously.\u003c\/li\u003e\n  \u003cli\u003e🏠 \u003cstrong\u003eHome Automation \u0026amp; DIY Projects:\u003c\/strong\u003e Integrate into relay control circuits, alarm systems, lighting timers, and more.\u003c\/li\u003e\n  \u003cli\u003e🔧 \u003cstrong\u003eIndustrial Control:\u003c\/strong\u003e Add a reliable time-delay function to any 12V control circuit without complex programming.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003cp\u003eWhen 12V power is supplied to the module, the relay remains \u003cem\u003eopen\u003c\/em\u003e (normally open contacts disconnected, normally closed contacts connected). After the programmed delay period (1–10 seconds, adjustable), the relay energizes and \u003cem\u003elatches\u003c\/em\u003e in that state until power is removed. This monostable behavior makes it perfect for protecting downstream devices from startup transients.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/22awg-glass-tube-fuse-holder-5x20mm-6x30mm-screw-type-10-pack\"\u003e10-Pack 22AWG Glass Tube Fuse Holder 5x20mm \u0026amp; 6x30mm Screw\u003c\/a\u003e – Protect your circuits with reliable inline fuse holders.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/100w-dual-port-car-charger-starlink-mini-fast-charging\"\u003e100W Dual-Port Car Charger for Starlink Mini – Fast Charging\u003c\/a\u003e – Keep your automotive electronics powered on the go.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Reference\u003c\/h3\u003e\n\u003cp\u003eFor more information on electrical safety standards and circuit protection best practices, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to monitor calibration differences, actual product color may vary slightly from images. Please allow ±1–2 cm tolerance due to manual measurement.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the adjustable delay range of this NE555 relay timer module?\u003c\/h4\u003e\n\u003cp\u003eA: The delay range is adjustable from 0 to approximately 10 seconds using the on-board potentiometer. You can extend this range by adding a larger capacitor (C1) or an external potentiometer. The delay time follows the formula: \u003cstrong\u003eT = 1.1 × R × C\u003c\/strong\u003e. For example, with a 100µF capacitor and 100KΩ resistor, T ≈ 11 seconds.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this delay relay module be used for automotive applications?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — it is specifically designed with automotive use in mind. When your vehicle starts, ignition draws a large surge of current that can damage sensitive electronics. This module delays power delivery to your devices by up to 10 seconds after the 12V supply is connected, protecting your car electronics from inrush current damage.\u003c\/p\u003e\n\u003ch4\u003eQ: What load can the relay output switch?\u003c\/h4\u003e\n\u003cp\u003eA: The relay is rated for AC 220V at up to 10A, which means it can safely control loads up to 2,000W (2kW). It is suitable for a wide range of devices including lighting, fans, motors, and other automotive or household electrical equipment.\u003c\/p\u003e\n\u003ch4\u003eQ: Is any programming or soldering required to use this module?\u003c\/h4\u003e\n\u003cp\u003eA: No programming is required. Simply connect your DC 12V power supply and adjust the on-board potentiometer with a small screwdriver to set your desired delay time. The module is ready to use out of the box for standard 0–10 second delays.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the adjustable delay range of this NE555 relay timer module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The delay range is adjustable from 0 to approximately 10 seconds using the on-board potentiometer. You can extend this range by adding a larger capacitor (C1) or an external potentiometer. The delay time follows the formula: T = 1.1 × R × C. For example, with a 100µF capacitor and 100KΩ resistor, T ≈ 11 seconds.\"}}, {\"@type\": \"Question\", \"name\": \"Can this delay relay module be used for automotive applications?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — it is specifically designed with automotive use in mind. When your vehicle starts, ignition draws a large surge of current that can damage sensitive electronics. This module delays power delivery to your devices by up to 10 seconds after the 12V supply is connected, protecting your car electronics from inrush current damage.\"}}, {\"@type\": \"Question\", \"name\": \"What load can the relay output switch?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The relay is rated for AC 220V at up to 10A, which means it can safely control loads up to 2,000W (2kW). It is suitable for a wide range of devices including lighting, fans, motors, and other automotive or household electrical equipment.\"}}, {\"@type\": \"Question\", \"name\": \"Is any programming or soldering required to use this module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No programming is required. Simply connect your DC 12V power supply and adjust the on-board potentiometer with a small screwdriver to set your desired delay time. The module is ready to use out of the box for standard 0–10 second delays.\"}}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"france","offer_id":47710863229033,"sku":"200007763:201336342","price":16.99,"currency_code":"USD","in_stock":true},{"title":"spain","offer_id":47710863261801,"sku":"200007763:201336104","price":14.1,"currency_code":"USD","in_stock":true},{"title":"Australia","offer_id":47710863294569,"sku":"200007763:201336099","price":16.11,"currency_code":"USD","in_stock":true},{"title":"United States","offer_id":47710863327337,"sku":"200007763:201336106","price":16.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/Scbefa21327ae4cf69e32b5cbcbddb41bx.webp?v=1782061197","url":"https:\/\/oasis-select.com\/products\/dc-12v-ne555-delay-relay-timer-switch-monostable-automotive","provider":"Oasis Select","version":"1.0","type":"link"}