{"product_id":"abb-s3n150tw-4-circuit-breaker","title":"ABB | S3N150TW-4 | Circuit Breaker | 150A | 4-Pole","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eABB S3N150TW-4 Circuit Breaker\u003c\/strong\u003e — a precise 150A, 4-Pole protection device designed for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 150A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 4-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e S3N150TW-4\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in real-world setups: when you're upgrading or repairing an electrical system that relies on ABB’s S3N family, this breaker ensures consistent protection, reliability, and compatible mounting. The S3N150TW-4 is purpose-built to match the exact specs needed for clean, straightforward swaps in compatible panels, reducing downtime and simplifying the maintenance workflow.\u003c\/p\u003e \u003ch3\u003eDesigned for exact compatibility\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify fit and ratings in your equipment. The part number is the most reliable reference for compatibility, helping you avoid mismatches and installation delays.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service on ABB panels that require a 150A, 4-Pole protection device.\u003c\/li\u003e \u003cli\u003eRetrofits where upgrading to the same spec is essential to maintain system integrity.\u003c\/li\u003e \u003cli\u003eReplacement parts inventory to minimize downtime during repairs or upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat sets it apart\u003c\/h3\u003e\n\u003cp\u003eBuilt to ABB’s standards for reliability and performance, the S3N150TW-4 provides consistent protection across 4 conductors, supporting robust control of three-phase electrical systems with neutral requirements. Its design emphasizes straightforward installation and long-term durability in commercial and industrial environments.\u003c\/p\u003e \u003ch3\u003ePractical tips for deployment\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eKeep the exact part number (S3N150TW-4) as your reference when cross-checking with panels in service catalogs.\u003c\/li\u003e \u003cli\u003eEnsure your panel’s ratings and conductor configuration align with a 150A, 4-Pole breaker before installation.\u003c\/li\u003e \u003cli\u003eHave a dedicated spare on hand for maintenance crews to reduce downtime during service calls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46427398176930,"sku":"S3N150TW-4","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/abb-s3n150tw-4-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}