{"product_id":"three-phase-load-break-switch-63a-660v-industrial-isolator","title":"Three Phase Load Break Switch 63A 660V Industrial Isolator","description":"\n\u003ch2\u003eThree Phase Load Break Switch 63A 660V | Industrial Isolator\u003c\/h2\u003e\n\u003cp\u003eTake confident control of your three-phase electrical circuits with this heavy-duty \u003cstrong\u003eThree Phase Load Break Switch (Isolator)\u003c\/strong\u003e. Rated at \u003cstrong\u003e63A \/ 660V\u003c\/strong\u003e and compatible with \u003cstrong\u003eAC 220V \/ 380V\u003c\/strong\u003e systems, this switch is engineered for dependable performance in demanding industrial and commercial environments. Whether you're managing ventilation systems, air conditioning units, or water pump controls, this isolator delivers rock-solid switching reliability every time. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree-Phase Design:\u003c\/strong\u003e Simple OFF–ON two-position operation for controlling three-phase, three-wire circuits with consistent, reliable performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtective Waterproof Enclosure:\u003c\/strong\u003e Comes with a sturdy plastic cover that guards against dust and moisture intrusion for safe operation in tough environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Ideal for ventilation systems, air conditioners, and water pump controls across a variety of industrial and commercial settings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Equipped with injection-molded nuts for secure, convenient mounting — no special tools required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong-Lasting Construction:\u003c\/strong\u003e Built with flame-retardant materials and thickened copper contacts for extended service life and enhanced safety.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSZD11-63\/300010-D\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Working Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e63A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConventional Heating Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e63A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Insulation Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e660V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Working Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 220V \/ 380V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUse Category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC-21A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Short-Circuit Making Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,070A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Short-Time Withstand Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e756A \/ 1s\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlame-retardant plastic with thickened copper contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e160 × 85 × 85 mm\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\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Three Phase Load Break Switch (with waterproof box)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eColors may vary slightly from images due to monitor brightness and lighting conditions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow slight measurement tolerance for stated dimensions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\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  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What voltage and current ratings does this three phase load break switch support?\u003c\/h4\u003e\n\u003cp\u003eA: This load break isolator is rated for a working current of 63A and a rated insulation voltage of 660V. It is compatible with AC 220V and AC 380V three-phase systems, making it suitable for a wide range of industrial and commercial electrical installations.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this load break switch suitable for outdoor or dusty environments?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The switch comes with a waterproof and dust-resistant plastic enclosure, making it suitable for use in environments where moisture and dust exposure are a concern — such as outdoor industrial panels or pump control stations.\u003c\/p\u003e\n\u003ch4\u003eQ: How is the three phase isolator switch installed?\u003c\/h4\u003e\n\u003cp\u003eA: Installation is straightforward. The switch is equipped with injection-molded mounting nuts, allowing it to be securely fixed to a panel or enclosure without special tooling. Always ensure the circuit is de-energized before installation and follow applicable electrical safety standards.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What voltage and current ratings does this three phase load break switch support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This load break isolator is rated for a working current of 63A and a rated insulation voltage of 660V. It is compatible with AC 220V and AC 380V three-phase systems, making it suitable for a wide range of industrial and commercial electrical installations.\"}}, {\"@type\": \"Question\", \"name\": \"Is this load break switch suitable for outdoor or dusty environments?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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