{"product_id":"briggs-stratton-71257-dual-200a-split-400a-transfer-switch","title":"Briggs \u0026 Stratton Dual 200A \/ Split 400A Symphony II SED Power Management Transfer Switch, Single Phase, NEMA 3R - 71257","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eModel Number: 71257\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSimplify standby-generator installations for homes with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003esplit 400 Amp electrical service\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e using the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBriggs \u0026amp; Stratton 71257 Dual 200A \/ Split 400A Symphony® II SED Power Management Automatic Transfer Switch\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned specifically for residential electrical systems where a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e400 Amp utility service is divided between two 200 Amp distribution panels\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the 71257 combines the functionality of two coordinated 200 Amp transfer switches into a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003esingle enclosure\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eInstead of installing two separate 200 Amp automatic transfer switches, the Briggs \u0026amp; Stratton 71257 provides a more integrated solution for compatible split-400A applications. Its \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eservice-entrance-rated design, NEMA 3R enclosure, 120\/240V single-phase configuration, UL 1008 listing, and Symphony II power-management capability\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e make it an important component for larger residential standby-power systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDesigned for Split 400 Amp Service:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Built specifically for homes where 400 Amp utility service is divided between two 200 Amp main distribution panels.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDual 200 Amp Transfer Capability:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Incorporates the functionality of two coordinated 200 Amp automatic transfer switches into one enclosure.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e2-in-1 Transfer Switch Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Eliminates the need for two separate 200 Amp transfer-switch enclosures in compatible split-400A applications.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAutomatic Utility Monitoring:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Detects loss of utility power and signals the compatible Briggs \u0026amp; Stratton standby generator to start.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAutomatic Power Transfer:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Transfers the applicable electrical loads to generator power once backup power is available.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAutomatic Return to Utility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Transfers the electrical system back to utility power when normal service has been restored.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eService Entrance Rated:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Includes service-entrance disconnect capability for compatible dual-200A residential services.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSymphony® II Power Management:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Supports power management for controlling and prioritizing electrical loads according to available generator capacity.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e120\/240V Single Phase:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for compatible residential 120\/240V, 60 Hz single-phase electrical systems.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e2-Pole Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for the specified single-phase split-service application.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eNEMA 3R Enclosure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for applicable indoor or outdoor installations requiring a NEMA 3R enclosure.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eUL 1008 Listed:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Listed to UL 1008 requirements for transfer-switch equipment.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSmaller Installation Footprint:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Combines two transfer functions into one enclosure, helping simplify compatible installations.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDesigned for Briggs \u0026amp; Stratton Standby Systems:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Intended to be bundled with a compatible Briggs \u0026amp; Stratton standby generator.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Is a Split 400 Amp Electrical Service?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSome larger homes have \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e400 Amp electrical service\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to accommodate higher overall electrical demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eInstead of feeding the entire 400 Amp service through a single distribution panel, a split-400A configuration divides the incoming utility service between \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003etwo 200 Amp electrical panels\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA simplified configuration looks like this:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e400A Utility Service → 200A Main Panel + 200A Main Panel\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA conventional standby-generator installation could require a separate 200 Amp transfer switch for each panel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBriggs \u0026amp; Stratton 71257\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e addresses this configuration by incorporating both transfer functions into a single enclosure.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDual 200A Transfer Switches in One Enclosure\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe primary advantage of the Briggs \u0026amp; Stratton 71257 is its \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2-in-1 design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRather than installing two individual 200 Amp automatic transfer switches, the 71257 combines a coordinated pair of transfer switches into one enclosure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis can provide several advantages for compatible installations:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eFewer separate transfer-switch enclosures\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore compact equipment arrangement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSimplified split-400A standby-system design\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCoordinated operation across both 200 Amp panels\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCleaner installation for larger residential electrical systems\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe exact installation configuration should be determined by a qualified electrical professional according to the property's service arrangement.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow the Briggs \u0026amp; Stratton 71257 Works\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDuring normal operation, the home's two 200 Amp distribution panels receive electricity from the utility service.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIf utility power is interrupted, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e71257 automatic transfer system\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e detects the outage and signals the compatible Briggs \u0026amp; Stratton standby generator to start.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOnce generator power is available, the transfer switch manages the transition of the applicable electrical system from utility power to generator power.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen normal utility service returns, the process is reversed and the electrical loads are transferred back to utility power.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis automatic operation allows a properly configured standby-power system to respond to an outage without requiring the homeowner to manually switch between power sources.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSymphony II Power Management\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOne of the most important features of the Briggs \u0026amp; Stratton 71257 is its \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSymphony® II Power Management capability\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA home with 400 Amp electrical service can potentially have far more connected electrical demand than a residential standby generator can supply simultaneously.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePower management helps address this difference.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eInstead of attempting to operate every large electrical load at the same time, a properly configured Symphony II system can manage selected loads according to available generator capacity and system priorities.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis can be particularly useful for homes containing equipment such as:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMultiple HVAC systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eElectric water heaters\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWell or sump pumps\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePool and spa equipment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eElectric ranges\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eClothes dryers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdditional high-demand household equipment\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe actual power-management configuration depends on the generator, connected equipment, and installation requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eImportant: Split 400A Does Not Mean 400 Amps of Generator Output\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e400 Amp designation describes the home's utility-service configuration and transfer-switch application\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. It does not mean the standby generator supplies 400 amps of backup power.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eLikewise, combining two 200 Amp transfer functions does not increase generator output.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe connected Briggs \u0026amp; Stratton generator remains limited to its rated electrical capacity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor example, a properly configured standby system may provide generator access across both 200 Amp panels, but the combined electrical demand placed on the generator must remain within available generator capacity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is why power management can be particularly important in larger homes with 400 Amp electrical service.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eService Entrance Rated\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Briggs \u0026amp; Stratton 71257 is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eservice-entrance rated with disconnect capability\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for compatible dual-200A residential electrical-service configurations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis allows the transfer equipment to perform an important role within the home's service and standby-power architecture while reducing the need for separate transfer-switch equipment in compatible installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe actual service-entrance configuration must be determined according to the home's electrical system and applicable electrical codes.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eNEMA 3R Indoor\/Outdoor Enclosure\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe transfer switch is housed in a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNEMA 3R enclosure\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, making it suitable for applicable indoor and outdoor installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis provides greater flexibility when determining equipment placement during the design of a standby-generator system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFinal placement should comply with Briggs \u0026amp; Stratton installation requirements and applicable electrical and building codes.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBriggs \u0026amp; Stratton\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eModel Number\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e71257\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAutomatic Power Management Transfer Switch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eApplication\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSplit 400 Amp Residential Service\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eTransfer Configuration\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDual 200 Amp\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eService Entrance Rated\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003ePoles\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eFrequency\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e60 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003ePhase\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSingle Phase\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eVoltage\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120\/240V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003ePower Management\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSymphony II\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eEnclosure\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNEMA 3R\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eIndoor \/ Outdoor\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCertification\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUL 1008\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eGenerator Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompatible Briggs \u0026amp; Stratton Standby Generator Systems\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eWho Should Consider the Briggs \u0026amp; Stratton 71257?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 71257 is specifically intended for compatible homes with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003esplit 400 Amp electrical service\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIt may be appropriate when the property has:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e400 Amp residential electrical service\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTwo 200 Amp main distribution panels\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eA compatible Briggs \u0026amp; Stratton standby generator\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLarge electrical loads distributed between both panels\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eA need for automatic standby-power transfer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eA need for Symphony II load management\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor a conventional home with a single 200 Amp electrical service, a standard 200 Amp transfer switch may be more appropriate.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the Briggs \u0026amp; Stratton 71257?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Briggs \u0026amp; Stratton 71257 is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDual 200 Amp \/ Split 400 Amp automatic transfer switch with service-entrance disconnect and Symphony II power management\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIt is designed for compatible homes where a 400 Amp utility service is divided between two 200 Amp electrical panels.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhy use one 71257 instead of two 200 Amp transfer switches?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 71257 combines the functionality of two coordinated 200 Amp transfer switches into a single enclosure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor compatible split-400A installations, this can reduce the number of separate transfer-switch enclosures and provide a more integrated standby-power configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes the 71257 provide 400 amps of generator power?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNo.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 400 Amp designation refers to the electrical-service configuration the transfer switch is designed to accommodate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eActual backup-power capacity is determined by the connected standby generator.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan it provide generator power to both 200 Amp panels?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 71257 is designed for split-400A applications involving two 200 Amp distribution panels.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe amount of equipment that can operate simultaneously remains limited by the connected generator's available capacity and the system's power-management configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes the 71257 include power management?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYes. The supplied product information identifies the 71257 as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSymphony II SED Power Management Transfer Switch\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePower management can help coordinate selected electrical loads so the standby generator is not required to operate every high-demand load simultaneously.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs the Briggs \u0026amp; Stratton 71257 service entrance rated?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYes. The supplied specifications identify the 71257 as \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eservice-entrance rated with disconnect capability for dual 200 Amp home services\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan the transfer switch be installed outdoors?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 71257 uses a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNEMA 3R enclosure\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e designed for applicable indoor and outdoor installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat generator works with the Briggs \u0026amp; Stratton 71257?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe supplied product information states that the transfer switch must be bundled with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBriggs \u0026amp; Stratton standby generator\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe specific generator and transfer-switch combination should be verified for compatibility before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eShop Briggs \u0026amp; Stratton Transfer Switches at AC Units For Less\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor homes with split 400 Amp electrical service, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBriggs \u0026amp; Stratton 71257 Dual 200A \/ Split 400A Symphony II SED Power Management Transfer Switch\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a streamlined alternative to installing two separate 200 Amp transfer-switch enclosures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIts combination of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edual 200 Amp transfer capability, service-entrance disconnects, Symphony II power management, 120\/240V single-phase operation, NEMA 3R construction, and UL 1008 listing\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e makes it an important component for compatible high-capacity residential standby-power systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eShop \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBriggs \u0026amp; Stratton standby generators, automatic transfer switches, power-management equipment, and generator accessories at AC Units For Less\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The 71257 does not provide 400 amps of generator output. Generator capacity, service configuration, transfer-switch compatibility, load management, and installation requirements should be evaluated by a qualified electrical professional according to Briggs \u0026amp; Stratton instructions and applicable electrical codes.\u003c\/span\u003e\u003c\/p\u003e","brand":"Briggs \u0026 Stratton","offers":[{"title":"Default Title","offer_id":55655943274787,"sku":"71257","price":2171.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1171\/5363\/files\/ET17313-Briggs-_-Stratton-Dual-200A-Split-400A-Symphony-II-SED-Power-Management-Transfer-Switch-Single-Phase-NEMA-3R-71057-md.webp?v=1790364525","url":"https:\/\/www.acunitsforless.com\/products\/briggs-stratton-71257-dual-200a-split-400a-transfer-switch","provider":"acunitsforless.com","version":"1.0","type":"link"}