{"product_id":"abb-s273-k3-3a-3p-circuit-breaker","title":"ABB S273-K3 Circuit Breaker, 3A, 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the ABB S273-K3 Circuit Breaker — a purpose-built, three-pole protection device rated at 3 A for industrial electrical systems. Engineered by ABB for reliability in service, maintenance, and replacement projects, this breaker ensures fast, predictable disconnection to protect both equipment and personnel in three-phase networks.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e S273-K3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 3 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e ABB\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat makes this model stand out:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eThree-pole protection designed for balanced, three-phase circuits, ensuring coordinated disconnection across all lines.\u003c\/li\u003e \u003cli\u003eRugged, compact construction ideal for tight industrial panels, switchgear, and control enclosures where dependable protection matters.\u003c\/li\u003e \u003cli\u003eExact part-number compatibility (S273-K3) helps you confidently match replacements to your equipment documentation.\u003c\/li\u003e \u003cli\u003eABB engineering lineage supports consistent performance and predictable operation in demanding environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eNew installations in industrial control panels requiring 3-pole protection with a 3 A rating.\u003c\/li\u003e \u003cli\u003eMaintenance and replacement projects where the S273-K3 specification is specified in equipment manuals.\u003c\/li\u003e \u003cli\u003eThree-phase distribution in manufacturing, processing facilities, warehouses, or compact switchgear environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow to verify compatibility and install with confidence:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eVerify fit by the exact part number (S273-K3) and cross-check with your panel schedule, wiring diagram, and protective requirements.\u003c\/li\u003e \u003cli\u003eFor uncertain cases, our team can help confirm compatibility based on your system’s three-phase configuration and application needs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help confirming fit or selecting the right ABB component for your project? Our experts are ready to assist with part-number verification and practical installation guidance to keep your maintenance or replacement rollout on track.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46415726018722,"sku":"S273-K3","price":460.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/abb-s273-k3-circuit-breaker-3a-3-pole-breakers-345.webp?v=1789194704","url":"https:\/\/www.ampstate.com\/products\/abb-s273-k3-3a-3p-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}