{"product_id":"abb-s203-k20-20a-3p-480v-circuit-breaker","title":"ABB S203-K20 20A 3P 480V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe ABB S203-K20 20A 3P 480V Circuit Breaker from AmpState delivers reliable overcurrent protection for industrial and commercial electrical distribution. Designed for panelboards, load centers, and distribution boards, this 3-pole breaker helps safeguard critical circuits in demanding 480V systems while keeping installation and maintenance straightforward.\u003c\/p\u003e \u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ABB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e S203-K20\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 20 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 480 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this S203-K20 stands out\u003c\/h2\u003e\n\u003cp\u003eFor retrofit projects and maintenance plans where continuity of part numbers matters, the S203-K20 offers predictable interchangeability with existing ABB installations. Its 3-pole configuration provides consistent protection across three live conductors in 480V distributions, helping prevent nuisance trips and ensuring coordinated protection with upstream devices.\u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eRetrofit and expansion projects in panelboards and load centers operating at 480V\u003c\/li\u003e \u003cli\u003eReplacement in legacy ABB S203-series installations to maintain compatibility and documentation continuity\u003c\/li\u003e \u003cli\u003eRoutine maintenance planning where a specific part number and rating are required\u003c\/li\u003e \u003cli\u003eElectrical distribution setups in commercial and light-industrial environments that require precise 20 A protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eCompatibility and support\u003c\/h2\u003e\n\u003cp\u003eNeed help matching a part number or confirming compatibility with your existing gear? Message us and we’ll help you confirm fit. This item is \u003cstrong\u003eavailable from AmpState\u003c\/strong\u003e and ready to ship to support your scheduling needs.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46412333580450,"sku":"S203-K20","price":293.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/www.ampstate.com\/products\/abb-s203-k20-20a-3p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}