{"product_id":"abb-s201-k4a","title":"ABB S201-K4A 4A 1-Pole Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the \u003cstrong\u003eABB S201-K4A 4A 1-Pole Circuit Breaker\u003c\/strong\u003e — a compact, dependable overcurrent protector designed for simple, single-circuit protection. With a 4-amp rating and a single pole, this device provides focused protection where you need it most without adding unnecessary bulk to your panel.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey details at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e S201-K4A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e 4 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePole Count:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 1-Pole choice stands out\u003c\/h3\u003e\n\u003cp\u003eIn setups where only a single conductor or branch needs protection, a 1-pole breaker keeps the electrical panel tidy and simplifies replacement. The 4 A rating is ideal for low-load circuits such as lighting runs, control circuits, or small appliance feeders where precise overcurrent protection matters. Choosing the ABB S201-K4A means you’re getting a trusted brand known for consistent performance and durable construction, built to handle routine trips and resets with reliability.\u003c\/p\u003e \u003ch3\u003eUse cases and scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eResidential lighting circuits where a dedicated branch needs protection without switching other circuits.\u003c\/li\u003e \u003cli\u003eSmall control circuits in automation or hobbyist projects that require clean, reliable interruption on fault.\u003c\/li\u003e \u003cli\u003eReplacement in legacy installations that already use S201-K4A parts for seamless compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical benefits and considerations\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpace-efficient\u003c\/strong\u003e: single-pole design minimizes panel footprint for tight installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear protection\u003c\/strong\u003e: provides immediate disconnection on overcurrent events to prevent wiring overheating.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable replacement\u003c\/strong\u003e: use the exact part number S201-K4A to ensure proper fit and electrical characteristics.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCode and safety focus\u003c\/strong\u003e: ensures compliance with local electrical codes by providing a defined cutoff point for the protected circuit.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTips for optimal results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMatch the breaker to your panel’s intended current and trip characteristics; this device is designed for 4 A load protection on a single-pole circuit.\u003c\/li\u003e \u003cli\u003eVerify the line and load connections follow the manufacturer’s installation instructions for safe operation and predictable trips.\u003c\/li\u003e \u003cli\u003eKeep a documented replacement plan using the exact part number (S201-K4A) to maintain consistent protection across your system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46423341990050,"sku":"S201-K4A","price":510.0,"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-s201-k4a","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}