{"product_id":"square-d-9422csj30-circuit-breaker","title":"Square D | 9422CSJ30 | Circuit Breaker | 600A | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D 9422CSJ30 circuit breaker—a rugged, 600A, three-pole protection device designed for maintenance, retrofit, and replacement projects where exact specifications matter. Built to integrate with compatible panels and safety systems, this breaker helps keep critical electrical infrastructure reliable while simplifying compatibility checks with a clear part-number reference.\u003c\/p\u003e \u003ch3\u003eKey specifications and compatibility\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 600A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole (three-pole \/ 3-phase)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 9422CSJ30\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e ideal for maintenance, retrofit, and replacement where exact specs are required\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e confirm fit and ratings before ordering; the part number is the best reference for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this model stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrong precise spec alignment:\u003e designed for scenarios that demand exact 600A, 3-pole protection to match existing panels and feeders, reducing downtime caused by mismatches\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted brand heritage:\u003c\/strong\u003e Square D has a long-standing reputation for dependable electrical protection and clear documentation, helping technicians verify installation quickly\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear path to retrofit and replacement:\u003c\/strong\u003e using the 9422CSJ30 part number streamlines ordering and ensures you’re selecting a compatible component for your three-phase system\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePanel maintenance where a like-for-like 600A, 3-pole breaker is required to restore service quickly\u003c\/li\u003e \u003cli\u003eRetrofit projects upgrading or replacing aging protection devices in three-phase systems\u003c\/li\u003e \u003cli\u003eSpare-part substitution in industrial or commercial electrical rooms where precise specifications matter\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and practical guidance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways de-energize the circuit and follow lockout\/tagout procedures before replacement\u003c\/li\u003e \u003cli\u003eVerify that the panel labeling and system design align with a 600A, 3-pole configuration\u003c\/li\u003e \u003cli\u003eCross-check the exact part number (9422CSJ30) as the primary reference to ensure compatibility\u003c\/li\u003e \u003cli\u003eIf in doubt about fit, consult panel documentation or a qualified electrician to confirm ratings and mounting requirements\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re conducting routine maintenance, planning a retrofit, or replacing a failed unit, the Square D 9422CSJ30 delivers reliable 3‑pole protection at a robust 600A rating. Its clearly identified part number and emphasis on exact spec matching help you minimize downtime and avoid compatibility pitfalls—making it a solid choice for professional electrical work in three-phase environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427495989410,"sku":"9422CSJ30","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\/square-d-9422csj30-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}