{"product_id":"abb-s5n300tw-circuit-breaker","title":"ABB | S5N300TW | Circuit Breaker | 300A | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eABB S5N300TW\u003c\/strong\u003e circuit breaker delivers dependable overcurrent protection for demanding electrical distributions. With a 300A rating and a 600V operating capability, it’s engineered for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 300A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number\u003c\/strong\u003e: S5N300TW\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility note\u003c\/strong\u003e: Use the exact part number to verify compatibility; confirm fit and ratings before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this model stands out\u003c\/h2\u003e\n\u003cp\u003eDesigned by ABB, the S5N300TW emphasizes reliability and clarity in the field. By sticking to a precise amperage and voltage, it ensures predictable protection performance and straightforward cross-reference with existing ABB installations. The part-number–driven approach makes sourcing simple when repairing or updating panels that require an exact match to the S5N series specifications.\u003c\/p\u003e \u003ch2\u003eBest use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service downtime reduction: swap in a like-for-like 300A, 600V breaker to minimize system disruption.\u003c\/li\u003e \u003cli\u003eRetrofit projects: upgrade older panels to a current ABB-rated device that preserves your protection profile.\u003c\/li\u003e \u003cli\u003eReplacement needs: exact spec alignment with existing ABB equipment to maintain interrupting performance and interlock configurations.\u003c\/li\u003e \u003cli\u003eSystem expansion or refurbishment: ensure new or expanded circuits stay within the same 300A\/600V protection framework.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eHow to verify and install with confidence\u003c\/h2\u003e\n\u003cp\u003eBefore ordering, double-check that your equipment labeling matches the \u003cstrong\u003eS5N300TW\u003c\/strong\u003e part number and that your system operates within 300A and 600V limits. Because the \u003cem\u003epart number\u003c\/em\u003e is the best reference for compatibility, it’s the simplest path to a smooth replacement with minimal downtime. When installing, follow standard safety practices and refer to your panel’s installation guide to ensure proper connection and seating of the breaker.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46427397292194,"sku":"S5N300TW","price":7906.0,"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-s5n300tw-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}