{"product_id":"abb-s271-ks30-30a-1p-277v-circuit-breaker","title":"ABB S271-KS30 Circuit Breaker, 30A, 1-Pole, 277V","description":"\u003cdiv\u003e\n\u003cstrong\u003eABB S271-KS30 Circuit Breaker, 30A, 1-Pole, 277V\u003c\/strong\u003e is designed for industrial electrical service, maintenance, and replacement projects. This 30-amp, single-pole device provides reliable overcurrent protection in 277-volt systems, helping protect wiring and equipment while minimizing unplanned downtime. \u003cul\u003e \u003cli\u003e\u003cstrong amperage and voltage:\u003e 30 A, 277 V. Suitable for single-pole protection on circuits in commercial and industrial settings that operate at 277V distribution.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOne-pole design:\u003c\/strong\u003e Protects a single hot conductor, simplifying panel layouts and matching requirements where a 1-pole unit is needed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number for compatibility:\u003c\/strong\u003e Use S271-KS30 to verify fit with your panel and application requirements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in real-world use:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial service and maintenance:\u003c\/strong\u003e Seamlessly replace a failing breaker in factory, warehouse, or process facility panels with a unit designed for demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProtection for 277V circuits:\u003c\/strong\u003e Provides dependable protection for lighting and auxiliary equipment operating on 277V, reducing the risk of overcurrent damage and downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReplacement and retrofit projects:\u003c\/strong\u003e When upgrading or retrofitting, confirming the exact part number (S271-KS30) ensures compatibility and speeds up installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical notes to ensure a smooth fit:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eVerify fit by part number and application requirements.\u003c\/strong\u003e The S271-KS30 is the reference for compatibility checks—always cross-verify with your panel specifications and wiring diagram.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNeed help?\u003c\/strong\u003e If you’re unsure about compatibility, message us and we’ll help you match the part number to your application.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for trusted ABB performance, this circuit breaker delivers clear, actionable protection for single-pole circuits in 277V distribution systems. It’s the right choice when you’re maintaining reliability in industrial environments and need a straightforward, drop-in replacement that aligns with your existing ABB equipment catalog and field conditions.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46416075686050,"sku":"S271-KS30","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-s271-ks30-30a-1p-277v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}