{"product_id":"industrial-automatic-transfer-switch-4p-250a-110v-220v-grid-to-ac-generator","title":"Industrial Automatic Transfer Switch 4P 250A 110V \/ 220V Grid to AC Generator","description":"\u003ch2\u003eIndustrial Automatic Transfer Switch 4P 250A 110V \/ 220V Grid to AC Generator\u003c\/h2\u003e\u003cp\u003eThis industrial automatic transfer switch is a 4-pole, 250A rated changeover device that shifts power between grid supply and an AC generator at 110V \/ 220V, keeping critical loads energized when utility power drops.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis automatic transfer switch gives commercial and industrial panels a reliable way to move loads from grid power to a backup AC generator and back again. The 4-pole 250A configuration handles three-phase plus neutral circuits, making it suitable for shops, plants, and backup power installations. It is built for operators who need automatic changeover without manual intervention.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e4-pole switching configuration for three-phase plus neutral circuits\u003c\/li\u003e\n\u003cli\u003e250A current rating supports demanding load panels\u003c\/li\u003e\n\u003cli\u003eDual voltage support at 110V \/ 220V for grid and generator inputs\u003c\/li\u003e\n\u003cli\u003eAutomatic transfer between grid supply and AC generator\u003c\/li\u003e\n\u003cli\u003eIndustrial housing built for panel or enclosure mounting\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor grid-to-generator backup power panels\u003c\/li\u003e\n\u003cli\u003efor commercial distribution enclosures\u003c\/li\u003e\n\u003cli\u003efor industrial three-phase load circuits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBackup power changeover in commercial buildings\u003c\/li\u003e\n\u003cli\u003eGenerator-backed load panels in industrial facilities\u003c\/li\u003e\n\u003cli\u003eRemote or off-grid power installations\u003c\/li\u003e\n\u003cli\u003eAutomated switchover for critical circuits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePoles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e250A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110V \/ 220V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic transfer between grid and AC generator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this switch handle both single-phase and three-phase loads? \u003cstrong\u003eA:\u003c\/strong\u003e The 4-pole design suits three-phase plus neutral circuits, and the 110V \/ 220V rating covers common single-phase and dual-voltage setups. Match your load calculation to the 250A rating before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does the transfer switch need an external controller? \u003cstrong\u003eA:\u003c\/strong\u003e Automatic transfer switches of this type are typically wired with a sensing and control circuit to trigger changeover. Confirm your generator control scheme and wiring requirements with a qualified electrician before installation.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":50987207196758,"sku":"ZZ3V00690","price":250.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_a96cd370-9e7b-421d-9d30-53133ed1e3c2.jpg?v=1793636918","url":"https:\/\/www.solidspare.com\/products\/industrial-automatic-transfer-switch-4p-250a-110v-220v-grid-to-ac-generator","provider":"Solid Spare","version":"1.0","type":"link"}