{"product_id":"abb-s201u-k4","title":"ABB S201U-K4 4A 1-Pole 240 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eABB S201U-K4 is a compact, dependable circuit protection device designed for 240 V single‑pole applications. With a precise 4 A current rating, this breaker provides targeted overload protection for small branch circuits while fitting neatly into standard control panels and metering layouts. The Part Number S201U-K4 ensures clear traceability within ABB’s protection system lineup, making replacements straightforward and inventory management simpler for technicians.\u003c\/p\u003e \u003ch2\u003eKey features and benefits\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating: 4 A\u003c\/strong\u003e delivers reliable overload protection for low‑load circuits, reducing nuisance trips on sensitive equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e1‑pole design\u003c\/strong\u003e optimized for single‑phase circuits and compact panel configurations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating: 240 V\u003c\/strong\u003e compatible with common industrial and commercial power networks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number S201U-K4\u003c\/strong\u003e provides precise specification reference for replacements and service records.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePotential transformer compatibility\u003c\/strong\u003e designed to work within metering and protection workflows, enabling effective monitoring and coordination with monitoring equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical applications\u003c\/h2\u003e\n\u003cp\u003eIdeal for panel builders, maintenance engineers, and electrical installers handling small single‑phase circuits in commercial spaces, light manufacturing, and automation environments. Use the ABB S201U-K4 to protect lighting runs, control circuits, and auxiliary loads where space is limited but reliable protection is essential. Its integration-friendly design supports metering setups and protection schemes that rely on potential transformer signals, helping you maintain accurate measurements without compromising safety.\u003c\/p\u003e \u003ch2\u003eInstallation and compatibility\u003c\/h2\u003e\n\u003cp\u003eAs with all protective devices, installation should be performed by qualified personnel in accordance with local electrical codes and regulations. Ensure the 4 A current rating and 240 V voltage rating align with your panel design and coordination requirements. The S201U-K4 is intended to fit standard mounting and termination practices within ABB‑compatible systems, providing a straightforward replacement path for aging or incompatible single‑pole breakers.\u003c\/p\u003e \u003cp\u003eIn summary, the ABB S201U-K4 4A 1‑Pole 240 V Circuit Breaker Potential Transformer delivers precise protection for small single‑phase circuits, with practical compatibility for metering and monitoring setups. It’s a reliable, traceable choice for professionals seeking dependable ABB protection in compact installations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46423148134562,"sku":"S201U-K4","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-s201u-k4","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}