{"product_id":"abb-ot400u12-400a-switch","title":"ABB OT400U12 - 400A, Switch","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the ABB OT400U12 400A switch—built to deliver dependable on\/off isolation and reliable overcurrent protection in even the harshest industrial and commercial environments. This compact, maintainable fusible switch is designed to keep critical electrical systems running smoothly while simplifying maintenance and service when it matters most.\u003c\/p\u003e \u003cp\u003eWhy the OT400U12 stands out:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e400A capacity\u003c\/strong\u003e provides robust protection for motor disconnects, panelboards, and branch circuits, helping prevent damage from short circuits and overloads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, maintainable design\u003c\/strong\u003e enables easy integration into existing distribution layouts and simplifies routine service, reducing downtime during fuse replacements or inspections.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOn\/off isolation\u003c\/strong\u003e ensures clear, safe disconnection of circuits for maintenance or emergency shutdowns, improving safety for personnel and equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOvercurrent protection\u003c\/strong\u003e tailored for demanding applications, delivering reliable response to electrical faults and helping protect downstream devices.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged, industrial-grade construction\u003c\/strong\u003e backed by ABB’s engineering heritage, designed to withstand challenging environments typical of manufacturing floors, power rooms, and commercial facilities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects in machine rooms, conveyors, and processing lines where a dedicated, easily serviceable switch is required.\u003c\/li\u003e \u003cli\u003ePanelboards needing a compact fusible switch to consolidate protection and isolation in a single unit.\u003c\/li\u003e \u003cli\u003eBranch circuit protection in load centers and distribution panels where rapid fault isolation minimizes downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat you gain with the OT400U12\u003c\/h3\u003e\n\u003cp\u003eWith the OT400U12, you’re choosing a solution that combines precise protection with practical maintenance advantages. The unit supports straightforward fuse replacement and inspection, helping uptime stay high and service tasks stay efficient. Its 400A rating makes it suitable for mid-to-large electrical feeds without demanding extra space or complex installation.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e OT400U12\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Fusible switch for on\/off isolation and overcurrent protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Motor disconnects, panelboards, branch circuit protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesign emphasis:\u003c\/strong\u003e Compact, maintainable, robust for industrial\/commercial use\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor facilities aiming to streamline protection and isolation in a single, reliable package, the ABB OT400U12 delivers a clear, practical path to safer operation, easier maintenance, and consistent electrical performance across demanding workloads.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390373908642,"sku":"OT400U12","price":2683.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_32abd623-98ae-477c-8347-857ebe555947.png?v=1765369444","url":"https:\/\/www.ampstate.com\/products\/abb-ot400u12-400a-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}