{"product_id":"abb-s201-k40-40a-1p-277v-circuit-breaker","title":"ABB S201-K40 40A 1P 277V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eABB S201-K40 40A 1P 277V Circuit Breaker\u003c\/strong\u003e is a compact, dependable overcurrent protection device designed for panelboards, load centers, and electrical distribution systems. With a precise 40-amp rating and a single-pole design for 277V operation, this breaker delivers reliable protection where it matters most—keeping circuits safe and downtime minimal.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 277V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e S201-K40\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e ABB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis model is a smart direct-part-number match for ABB S201-K40, making it an ideal choice for maintenance teams, panel builders, and spare-inventory stock where exact fit and labeling matter. The clear, unambiguous part number reduces substitution errors and accelerates project timelines, from new installations to routine replacements.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters in real-world scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCommercial and light-industrial panels operating at 277V often require precise 1P protection to avoid nuisance trips and ensure coordinated protection with other circuit devices.\u003c\/li\u003e \u003cli\u003eExact part-number compatibility minimizes commissioning time, especially in retrofits or multi-vendor panel configurations.\u003c\/li\u003e \u003cli\u003eKeeping a labeled spare of the ABB S201-K40 helps maintenance crews respond quickly to faults, reducing downtime and service interruptions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePanelboards and distribution panels in office complexes, retail spaces, and data-adjacent environments with 277V single-phase circuits.\u003c\/li\u003e \u003cli\u003eReplacement parts inventories for service teams that require dependable ABB components with documented part numbers.\u003c\/li\u003e \u003cli\u003eNew construction projects where exact-match breakers streamline installation and future servicing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eHow it compares to alternatives\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUnlike generic substitutes, the S201-K40 offers an exact 1P, 277V specification with a known trip curve and labeling. This reduces misfits, miswirings, and compatibility concerns across panel ecosystems.\u003c\/li\u003e \u003cli\u003eAs an ABB product, it benefits from established performance characteristics and compatibility with ABB-compatible panels and accessories, supporting consistent protection across installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eAvailability and support\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis item is available from AmpState. If you’re unsure about fit, we’re ready to help confirm compatibility—send a note and we’ll verify the exact part-number match for your panel or distribution setup.\u003c\/p\u003e \u003cp\u003eKeep the power flowing with confidence—the ABB S201-K40 40A 1P 277V Circuit Breaker aligns precise protection with reliable performance, backed by straightforward inventory management for maintenance teams, panel builders, and service professionals.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46411094818978,"sku":"S201-K40","price":130.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/www.ampstate.com\/products\/abb-s201-k40-40a-1p-277v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}