{"product_id":"abb-s201u-k4a-4a-1p-circuit-breaker","title":"ABB S201U-K4A Circuit Breaker, 4A, 1-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the ABB S201U-K4A— a 1-pole, 4 A miniature circuit breaker built for industrial electrical service, maintenance, and replacement projects. As part of ABB’s S200U Miniature Breaker family, this device is designed to drop into compatible panels with precision and reliability, delivering dependable overcurrent protection for single-circuit applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ABB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Miniature Breaker S200U\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e S201U-K4A\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 4 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNotes:\u003c\/strong\u003e Verify fit by part number and application requirements\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis 1-pole configuration is ideal for single-channel circuits where space is at a premium but protection is non-negotiable. Its compact footprint fits crowded panels and retrofit installations, making it a practical choice for upgrading legacy gear or scaling your control systems without overhauling electrical infrastructure.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eLeverages ABB’s proven reliability in industrial environments, helping reduce downtime and maintenance hassles.\u003c\/li\u003e \u003cli\u003eDirect compatibility with the S200U family simplifies replacement and commissioning in existing panels.\u003c\/li\u003e \u003cli\u003eClear part-number verification minimizes misloads and ensures the correct device is protecting your circuit.\u003c\/li\u003e \u003cli\u003eEasy installation with standard miniature breaker mounting for quick field service.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing a worn or tripped breaker in an industrial control panel\u003c\/li\u003e \u003cli\u003eProviding single-pole protection for low-current control circuits, lighting lines, or auxiliary equipment in machinery\u003c\/li\u003e \u003cli\u003eIncorporating into new equipment or control panels that require a 4 A, 1-pole protective device\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eHow to confirm compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCheck that your panel accepts S200U-series miniature breakers and supports a 1-pole, 4 A device\u003c\/li\u003e \u003cli\u003eValidate the exact part number (S201U-K4A) against your bill of materials or equipment documentation\u003c\/li\u003e \u003cli\u003eWhen in doubt, reference the application requirements and match them to the S201U-K4A specifications\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll assist with precise, no-nonsense guidance to keep your electrical system protected and compliant.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46416086302882,"sku":"S201U-K4A","price":460.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/abb-s201u-k4a-4a-1p-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}