{"product_id":"abb-s201-k50-50a-1p-277v-circuit-breaker","title":"ABB S201-K50 50A 1P 277V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eABB S201-K50\u003c\/strong\u003e is a 50 A, 1-pole, 277 V circuit breaker engineered for everyday electrical work. Designed to protect circuits in panelboards, load centers, and electrical distribution networks, this unit delivers reliable interruption when faults occur. It’s the practical, ready-made choice for maintenance teams, panel builders, and spare inventories where a direct part-number match matters.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e S201-K50\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ABB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 50 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 277 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e circuit protection in panelboards, load centers, and electrical distribution\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDirect part-number match\u003c\/strong\u003e minimizes installation guesswork and speeds up replacements, keeping projects on schedule.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact 1P design\u003c\/strong\u003e fits into tight panel layouts without compromising protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e277 V suitability\u003c\/strong\u003e makes it ideal for commercial\/industrial lighting and distribution circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eABB reliability\u003c\/strong\u003e ensures consistent performance within existing ABB installations and spares pools.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eWho needs this:\u003c\/strong\u003e maintenance crews, electricians, panel manufacturers, and inventory managers who require exact part-number compatibility and dependable protection for 277 V circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUse cases:\u003c\/strong\u003e replace a blown breaker in an existing ABB system, spec a 277 V 50 A protective device for new panel builds, or maintain an accurate spare parts kit with a direct-fit component.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWhy it matters:\u003c\/strong\u003e selecting the exact S201-K50 eliminates fitment surprises, reduces downtime, and ensures the circuit is protected by a device designed for your system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit. \u003cstrong\u003eAmpState\u003c\/strong\u003e has this ABB circuit breaker in stock, ready to support your project timelines and panel-building needs.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46411084791970,"sku":"S201-K50","price":175.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/abb-s201-k50-50a-1p-277v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}