{"product_id":"24-hour-mechanical-timer-switch-ac100-250v-20a-programmable","title":"24-Hour Mechanical Timer Switch AC 100–250V 20A Programmable","description":"\n\u003ch2\u003eTake Full Control of Your Power Schedule\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTB388 Mechanical Timer Switch\u003c\/strong\u003e is a robust, waterproof 24-hour programmable switch designed to automate and optimize power usage across a wide range of residential and commercial applications. With a high load capacity, precise 15-minute interval settings, and broad voltage compatibility, this timer puts smart scheduling at your fingertips — no complex programming required.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaterproof Design:\u003c\/strong\u003e Built to operate safely in diverse and demanding environments, including outdoor and damp locations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise 15-Minute Intervals:\u003c\/strong\u003e Set on\/off cycles as short as 15 minutes for accurate scheduling and efficient energy use throughout the day.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Operates across AC 100–250V, making it suitable for use in various regions and with a broad range of electrical devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Load Capacity:\u003c\/strong\u003e Handles resistive loads up to \u003cstrong\u003e20A\u003c\/strong\u003e and incandescent lamp loads up to \u003cstrong\u003e10A\u003c\/strong\u003e — ideal for both residential and light industrial applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e Draws only 1W at 110VAC and 2W at 220VAC, so the timer itself contributes minimal overhead to your energy bill.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application Range:\u003c\/strong\u003e Perfect for water heaters, water dispensers, street lamps, staircase lighting, advertising light boxes, aquatic systems, irrigation controllers, and office power management.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBatteries Included:\u003c\/strong\u003e Ready to use right out of the box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTB388\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 100–250V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Current (Resistive Load)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Current (Incandescent Lamp)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1W (110VAC) \/ 2W (220VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Setting Interval\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 Minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProgram Cycle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 Hours\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePC Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e163 × 113 × 45 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBatteries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded\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 China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × TB388 Mechanical Timer Switch (batteries included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHelpful Resources\u003c\/h3\u003e\n\u003cp\u003eFor guidance on safe electrical installations and energy-saving strategies, visit the U.S. Department of Energy – Home Energy Automation Tips.\u003c\/p\u003e\n\n\u003cp\u003eYou may also find these related products useful:\u003cbr\u003e\n\u003ca href=\"\/products\/1-channel-relay-module-dc-3-3v-24v-optocoupler-arduino\"\u003e1-Channel Relay Module DC 3.3V–24V Optocoupler for Arduino\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"\/products\/1-channel-scr-solid-state-relay-switch-module-dc3-24v-40a-optocoupler\"\u003e1-Channel SCR Solid State Relay Module DC3-24V 40A Optocoupler\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Monitor brightness and ambient lighting may cause slight color variation from product images. Please allow ±2–5mm measurement deviation for stated dimensions.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Timer\" target=\"_blank\" rel=\"noopener\"\u003eTimer\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of devices can I control with this 24-hour mechanical timer switch?\u003c\/h4\u003e\n\u003cp\u003eA: The TB388 mechanical timer switch is highly versatile. It can be used to automate water heaters, water dispensers, street lamps, staircase lights, advertising light boxes, aquatic\/breeding systems, irrigation controllers, and general office power management — anywhere you need scheduled on\/off control of an electrical load up to 20A.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this timer switch safe for outdoor use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The TB388 features a waterproof construction that allows for safe operation in outdoor and damp environments, such as garden irrigation systems, outdoor lighting, and street lamp control panels.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How fine can I set the on\/off schedule?\u003c\/h4\u003e\n\u003cp\u003eA: The minimum programmable interval is 15 minutes. You can set multiple on\/off cycles within a 24-hour period, giving you precise and flexible scheduling to match your exact power management needs.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this timer work with both 110V and 220V electrical systems?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The TB388 is compatible with AC 100–250V, making it suitable for both North American (110V) and international (220–240V) electrical systems without any modifications.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of devices can I control with this 24-hour mechanical timer switch?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The TB388 mechanical timer switch is highly versatile. It can be used to automate water heaters, water dispensers, street lamps, staircase lights, advertising light boxes, aquatic\/breeding systems, irrigation controllers, and general office power management — anywhere you need scheduled on\/off control of an electrical load up to 20A.\"}}, {\"@type\": \"Question\", \"name\": \"Is this timer switch safe for outdoor use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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The TB388 is compatible with AC 100–250V, making it suitable for both North American (110V) and international (220–240V) electrical systems without any modifications.\"}}]}\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:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Electronics \u0026 Tech\", \"item\": \"https:\/\/oasis-select.com\/collections\/electronics-tech\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"24-Hour Mechanical Timer Switch AC 100–250V 20A Programmable\", \"item\": \"https:\/\/oasis-select.com\/products\/24-hour-mechanical-timer-switch-ac100-250v-20a-programmable\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"China Mainland","offer_id":47746320400489,"sku":"200007763:201336100","price":126.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S3f9f795e71804757a3ed62de5b181092c.webp?v=1783056109","url":"https:\/\/oasis-select.com\/products\/24-hour-mechanical-timer-switch-ac100-250v-20a-programmable","provider":"Oasis Select","version":"1.0","type":"link"}