{"product_id":"din-rail-dual-display-over-under-voltage-current-protector-1","title":"Din Rail Dual Display Over\/Under Voltage \u0026 Current Protector","description":"\n\u003ch2\u003eHpLive Din Rail Dual Display Voltage \u0026amp; Current Protective Device\u003c\/h2\u003e\n\u003cp\u003eKeep your home appliances, commercial circuits, and distribution panels safe with the \u003cstrong\u003eHpLive Din Rail Dual Display Voltage Protector\u003c\/strong\u003e. This fully adjustable, self-resetting protective device monitors real-time voltage and current, automatically disconnecting power during overvoltage, undervoltage, or overload events — and reconnecting once conditions return to normal. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTriple Protection with Auto-Reconnect:\u003c\/strong\u003e Instantly disconnects during overvoltage, undervoltage, or overload faults. Automatically restores power when the line returns to normal — no manual reset required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFully Adjustable Protection Ranges:\u003c\/strong\u003e Overvoltage adjustable from AC 230V–300V, undervoltage from AC 140V–210V, and overcurrent from 0.5A up to 40A, 63A, or 80A depending on model — perfect for tailoring protection to different rooms or load requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge Dual Digital Display:\u003c\/strong\u003e Clear, large-screen display shows real-time working voltage and current simultaneously so you can monitor circuit status at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Tiered Overload Protection:\u003c\/strong\u003e Set continuous overload trip count from 1 to 20 times (default off). For example, if set to 2, the unit auto-recovers after the first overload but permanently disconnects on the second consecutive overload — giving you smarter, tiered defense.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium-Grade Chips:\u003c\/strong\u003e Built with high-quality chips for stable operation and ±1% measurement accuracy, suitable for home distribution panels, commercial circuits, and dormitories.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Din Rail Mounting:\u003c\/strong\u003e Standard 35mm Din Rail compatible; compact size (38mm × 68mm × 86mm) fits neatly inside most electrical enclosures.\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\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePart Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eSelf-Resetting Over\/Under Voltage Protector\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e38mm × 68mm × 86mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eAC 140–300V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOvervoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e230–300V (Default: 270V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eUndervoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e140–210V (Default: 170V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCurrent Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e1–40A \/ 63A \/ 80A \/ 100A (model dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePower-on Delay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e1–500 seconds (Default: 5 seconds)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eRecovery Delay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e1–500 seconds (Default: 30 seconds)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eAction Delay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e0.1–30 seconds (Default: 0.5 seconds)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eTop In, Bottom Out\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMeasurement Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e±1%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Din Rail Dual Display Voltage \u0026amp; Current Protector\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-sinking-minnow-lure-29mm-2-8g-bass-pike-trout-wobbler\"\u003eB\u0026amp;U Sinking Minnow Lure 29mm 2.8g – Bass Pike Trout Wobbler\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual color may vary slightly from images due to monitor settings and lighting. Please allow minor measurement tolerances for listed dimensions.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of circuits is this din rail voltage protector compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This din rail dual display protector is compatible with AC 140–300V circuits, making it suitable for home distribution panels, commercial electrical circuits, and dormitory setups. It mounts on a standard 35mm Din Rail and works with a wide range of load requirements.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the voltage protector reset automatically after tripping?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Once the line voltage or current returns within the safe operating range, the device automatically reconnects power after the programmed recovery delay (default 30 seconds). No manual reset is needed for standard fault events.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I adjust the overvoltage and undervoltage trip points?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The overvoltage trip point is adjustable from 230V to 300V (default 270V), and the undervoltage trip point from 140V to 210V (default 170V). The overcurrent limit is also adjustable within the model's rated range, giving you full flexibility to tailor protection to your specific circuit needs.\u003c\/p\u003e\n\u003ch4\u003eQ: What does the dual digital display show?\u003c\/h4\u003e\n\u003cp\u003eA: The large dual digital display simultaneously shows real-time working voltage and current, allowing you to monitor your circuit's live status at a glance without any additional measuring equipment.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of circuits is this din rail voltage protector compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This din rail dual display protector is compatible with AC 140–300V circuits, making it suitable for home distribution panels, commercial electrical circuits, and dormitory setups. It mounts on a standard 35mm Din Rail and works with a wide range of load requirements.\"}}, {\"@type\": \"Question\", \"name\": \"Does the voltage protector reset automatically after tripping?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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