{"product_id":"briggs-400a-transfer-switch-071057","title":"Briggs and Stratton Dual 200A \/ Split 400A Symphony® II SED Power Management Transfer Switch, Single Phase, NEMA 3R - 071057","description":"\u003ch2\u003eBriggs \u0026amp; Stratton 400A transfer switch – whole-estate power, one cabinet\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBriggs \u0026amp; Stratton 400A transfer switch\u003c\/strong\u003e is a vital device for managing backup power safely during outages. It is designed for high-capacity electrical systems, ensuring seamless transitions between utility power and generator power. This transfer switch protects your home or commercial facility from downtime, voltage spikes, and potential electrical hazards. Its durable construction and high performance make it well-suited for large homes, industrial operations, and critical environments.\u003c\/p\u003e\n\u003cp\u003eDuring power interruptions, reliability is essential. The Briggs \u0026amp; Stratton 400A transfer switch offers automatic operation, strong load handling capabilities, and advanced safety features. It keeps essential systems operating without requiring manual intervention, reducing stress and potential risks during outages.\u003c\/p\u003e\n\u003cp\u003eThis switch replaces two 200 A units by managing split-service panels within a single UL 1008 rated enclosure. When the utility power fails, it starts the generator and powers every circuit automatically. Once grid power is restored, the switch returns to the utility supply smoothly.\u003c\/p\u003e\n\u003ch2\u003eKey Features of the Briggs \u0026amp; Stratton 400A transfer switch\u003c\/h2\u003e\n\u003ch3\u003eBuilt-in AC-shedding Symphony II controller\u003c\/h3\u003e\n\u003cp\u003eThe transfer switch includes a Symphony II controller that prioritizes eight high-wattage loads. This feature helps prevent generator overload while maintaining continuous power for critical systems. The device is housed in a NEMA 3R steel enclosure, enabling outdoor installation for shorter conduit runs and easier setup.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ccaption\u003e\n\u003cstrong\u003eBriggs \u0026amp; Stratton 400A transfer switch\u003c\/strong\u003e – technical data\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAmperage rating\u003c\/th\u003e\n\u003ctd\u003e400 A (dual 200 A service disconnects)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage \/ phase\u003c\/th\u003e\n\u003ctd\u003e120 \/ 240 V, single-phase, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure\u003c\/th\u003e\n\u003ctd\u003eNEMA 3R galvanneal steel, powder-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions (L × W × D)\u003c\/th\u003e\n\u003ctd\u003e37 × 23.7 × 7 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e111 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLoad management\u003c\/th\u003e\n\u003ctd\u003eSymphony II – 8 priority circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUL listing\u003c\/th\u003e\n\u003ctd\u003eUL 1008 service-entrance rated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e6 years limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eInstallation \u0026amp; Warranty\u003c\/h2\u003e\n\u003cp\u003eThe Briggs \u0026amp; Stratton 400A transfer switch features pre-wired distribution, saving labor during installation. Its compact design fits in the space where two separate cabinets once stood. Each unit is backed by a 6-year factory warranty, ensuring long-term reliability and peace of mind.\u003c\/p\u003e\n\u003ch2\u003eWhat Makes the Briggs \u0026amp; Stratton 400A Transfer Switch Stand Out?\u003c\/h2\u003e\n\u003cp\u003eThis transfer switch is engineered to manage heavy electrical loads with consistent power delivery. Its 400-amp rating supports multiple circuits demanded by large properties relying on high-output standby generators. This robust capacity ensures you won’t experience power interruptions during outages.\u003c\/p\u003e\n\u003cp\u003eThe switch automatically detects utility power loss and instantly transfers electrical loads to the generator. When utility power is restored, it switches back smoothly, preventing damaging surges. This fully automated function ensures both safety and peace of mind for property owners.\u003c\/p\u003e\n\u003ch2\u003eHeavy-Duty Design for High-Load Applications\u003c\/h2\u003e\n\u003cp\u003eHigh-quality materials and durable components provide long-term reliability in demanding electrical environments. The powder-coated galvanneal steel enclosure shields internal parts from environmental factors, reducing maintenance needs and extending product lifespan.\u003c\/p\u003e\n\u003cp\u003eThis transfer switch is ideal for properties with complex infrastructure, including HVAC systems, pumps, data equipment, and large appliances. Its efficient load management ensures stable and reliable power across all connected circuits, even under heavy demand.\u003c\/p\u003e\n\u003ch2\u003eSeamless Automatic Operation and Safety Features\u003c\/h2\u003e\n\u003cp\u003eSafety is a core design priority of the Briggs \u0026amp; Stratton 400A transfer switch. It prevents backfeeding by ensuring utility power and generator \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Power\" target=\"_blank\" title=\"\" rel=\"noopener\"\u003epower\u003c\/a\u003e never operate at the same time. This feature protects workers, equipment, and the entire electrical system from hazards.\u003c\/p\u003e\n\u003cp\u003eIts automatic transfer function eliminates the need for manual switching during emergencies. The system reacts swiftly to outages, minimizing downtime while maintaining comfort and security with smooth, uninterrupted power transitions.\u003c\/p\u003e\n\u003ch2\u003eCompatibility with Standby Generator Systems\u003c\/h2\u003e\n\u003cp\u003eThe transfer switch is designed for perfect integration with standby generator systems. This coordination optimizes power delivery and improves overall system efficiency while preventing overloads. Enhanced fuel efficiency is achieved through smart load management and synchronization.\u003c\/p\u003e\n\u003cp\u003eElectricians appreciate its flexible setup and straightforward wiring, which simplify installation and reduce setup time. The Briggs \u0026amp; Stratton 400A transfer switch supports a wide range of electrical configurations to accommodate various applications.\u003c\/p\u003e\n\u003ch2\u003eIdeal Use Cases for the Briggs \u0026amp; Stratton 400A Transfer Switch\u003c\/h2\u003e\n\u003cp\u003eThis transfer switch is perfect for properties requiring uninterrupted power supply. Large homes, commercial buildings, agricultural sites, and industrial facilities benefit from its high-capacity load management capabilities. It reliably supports critical systems such as HVAC, refrigeration, security, medical, and communication devices.\u003c\/p\u003e\n\u003cp\u003eUsers gain confidence knowing their backup power system will engage instantly and respond reliably during utility power outages. This enhances safety and reduces risks related to downtime or sudden power loss.\u003c\/p\u003e\n\u003ch2\u003eLong-Term Value and Peace of Mind\u003c\/h2\u003e\n\u003cp\u003eChoosing the \u003cstrong\u003e\u003ca href=\"https:\/\/www.portlandiaelectric.supply\/products\/briggs-400a-transfer-switch-071057\" target=\"_self\" title=\"\"\u003eBriggs \u0026amp; Stratton 400A transfer switch\u003c\/a\u003e\u003c\/strong\u003e is an investment in safety, power continuity, and operational efficiency. Its robust design combined with smart automation lowers the risk of electrical failures and boosts system performance.\u003c\/p\u003e\n\u003cp\u003eWith professional installation and proper upkeep, this transfer switch provides dependable service over many years. It is a trusted choice for serious backup needs, ensuring your electrical system remains protected during outages and emergencies.\u003c\/p\u003e","brand":"Briggs \u0026 Stratton","offers":[{"title":"Default Title","offer_id":42500715348102,"sku":"PES-PA-ELC-1841","price":3171.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/5188\/6982\/files\/briggs-stratton-071053-line-voltage-module-500x500.jpg?v=1760381816","url":"https:\/\/www.portlandiaelectric.supply\/products\/briggs-400a-transfer-switch-071057","provider":"Portlandia Electric Supply","version":"1.0","type":"link"}