{"product_id":"westinghouse-da3400-circuit-breaker","title":"Westinghouse | DA3400 | Circuit Breaker | 400A | 240V | 22kA | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse DA3400 Circuit Breaker—a rugged 400A, 240V bolt-on solution engineered for reliability in the most demanding electrical environments. Designed for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker helps safeguard your panel while you upgrade or service critical circuits.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting rating:\u003c\/strong\u003e 22kA\u003c\/li\u003e \u003cli\u003e\u003cstrong mounting:\u003e Bolt-On\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e DA3400\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest use cases:\u003c\/strong\u003e maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOrdering 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 choose the Westinghouse DA3400?\u003c\/h3\u003e\n\u003cp\u003eThis DA3400 model offers a clear, purpose-built solution for systems that demand solid fault protection and straightforward replacement. The bolt-on design simplifies installation in compatible panels, reducing downtime during critical maintenance or when retrofitting to meet updated electrical requirements. With a 22kA interrupting capacity, it provides dependable protection against high-energy faults, helping to limit damage and support safer operation.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing an identical 400A, 240V circuit breaker in existing panels where precise specs are required\u003c\/li\u003e \u003cli\u003eRetrofits to upgrade or restore circuit protection in facilities undergoing electrical modernization\u003c\/li\u003e \u003cli\u003eMaintenance replacements to restore reliability after panel servicing or component wear\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance\u003c\/h3\u003e\n\u003cp\u003eBefore purchasing, reference the DA3400 part number to verify compatibility with your panel and ensure the mounting style aligns with your enclosure. Use this model as a dependable, specification-matched replacement that minimizes guesswork and helps maintain consistent electrical protection across your distribution system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46424389648546,"sku":"DA3400","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/westinghouse-da3400-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}