{"product_id":"solar-grid-dual-power-automatic-transfer-switch-2p-400v","title":"Solar Grid Dual Power Automatic Transfer Switch 2P 400V","description":"\u003cp\u003eKeep your home or business powered without interruption with this \u003cstrong\u003eDual Power Automatic Transfer Switch (ATS)\u003c\/strong\u003e. Designed for both residential solar setups and commercial electrical systems, this 2-pole switch seamlessly toggles between your solar power source and the mains grid — in just 1–2 seconds — so your appliances never skip a beat during a power source change.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China from flame-retardant plastic, this ATS is built to handle demanding electrical environments while maintaining a compact, panel-mount-friendly footprint.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Transfer:\u003c\/strong\u003e Instantly switches between power sources to maintain uninterrupted electricity supply.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Power Input:\u003c\/strong\u003e Supports two input sources — mains grid and solar power — for flexible energy management.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Works with single-phase 220V and three-phase 400V systems for versatile residential and commercial use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManual \u0026amp; Auto Modes:\u003c\/strong\u003e Choose between fully automatic switching or take manual control when needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndicator Light Display:\u003c\/strong\u003e LED status indicators give you a clear, at-a-glance view of which power source is active.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Secure:\u003c\/strong\u003e Space-saving design with fixed mounting holes for safe, stable installation in electrical panels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlame-Retardant Housing:\u003c\/strong\u003e Black flame-retardant plastic construction for added electrical safety.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlame-Retardant Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Poles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2P\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e63A – 125A (Optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitching Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1–2 Seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50Hz \/ 60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIndicator Light\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitching\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic Transfer \u0026amp; Auto Reset\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\/table\u003e\n\n\u003ch2\u003eWhat's in the Box?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Dual Power Automatic Transfer Switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eActual product color may vary slightly from images due to monitor brightness and lighting conditions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow for minor measurement tolerances.\u003c\/li\u003e\n  \u003cli\u003eInstallation should be carried out by a qualified electrician in accordance with local electrical codes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eYou Might Also Like\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is a Dual Power Automatic Transfer Switch and how does it work?\u003c\/h4\u003e\n\u003cp\u003eA: A Dual Power Automatic Transfer Switch (ATS) monitors two power sources — such as a solar system and the mains grid. When one source becomes unavailable or drops below acceptable levels, the ATS automatically switches to the alternate source within 1–2 seconds, ensuring a continuous and uninterrupted power supply to your connected loads.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this transfer switch compatible with both single-phase and three-phase systems?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This ATS supports single-phase 220V and three-phase 400V electrical systems, making it suitable for a wide range of residential and commercial solar or grid applications operating at 50Hz or 60Hz.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What operating current ratings are available for this switch?\u003c\/h4\u003e\n\u003cp\u003eA: This Dual Power Automatic Transfer Switch is available in operating current options ranging from 63A to 125A, allowing you to select the rating that best matches your system's load requirements.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I manually control which power source is active?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. In addition to full automatic switching mode, this ATS includes a manual mode so you can choose your preferred power source directly — ideal for testing, maintenance, or specific operational scenarios.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is a Dual Power Automatic Transfer Switch and how does it work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A Dual Power Automatic Transfer Switch (ATS) monitors two power sources — such as a solar system and the mains grid. 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