{"product_id":"westinghouse-fd3040l-40a-3p-600v-circuit-breaker","title":"Westinghouse FD3040L 40A 3P 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eWestinghouse FD3040L 40A 3P 600V Circuit Breaker\u003c\/strong\u003e delivers dependable overcurrent protection for panelboards, load centers, and electrical distribution networks. Designed for three-phase systems, this 40 amp, 3-pole unit handles up to 600V, offering robust protection for commercial and light industrial applications where reliable shutoff is essential.\u003c\/p\u003e \u003cp\u003eWhy this breaker stands out for retrofit and maintenance projects:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eConsistent part number for retrofit work\u003c\/strong\u003e: The FD3040L maintains the exact part number your service history and stock rely on, simplifying procurement and reducing the risk of mismatched replacements during upgrades or ongoing maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree‑pole configuration for balanced three‑phase systems\u003c\/strong\u003e: Ensures simultaneous disconnection across all phases, preventing fault conditions that can damage downstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V maximum rating\u003c\/strong\u003e with a 40A protection level, tuned for common distribution circuits in commercial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEasy compatibility support from AmpState\u003c\/strong\u003e: AmpState carries the Westinghouse FD3040L and can help confirm fit for your specific panel model, streamlining ordering and installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases and scenarios:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRetrofit projects where preserving the original part number is crucial for documentation, inventory control, and quick field replacements.\u003c\/li\u003e \u003cli\u003eMaintenance planning with a ready-to-go spare that minimizes downtime during routine service or fault events.\u003c\/li\u003e \u003cli\u003eReplacement in existing Westinghouse panelboards and load centers that require a 3P, 600V, 40A device to maintain consistent protection characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical guidance for purchasing and installation:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eVerify that your panel or distribution setup calls for a 3‑pole, 40A, 600V device in the FD3040L footprint and terminal arrangement.\u003c\/li\u003e \u003cli\u003eIf compatibility isn’t immediately clear, reach out to AmpState with your panel model information—they’re ready to help confirm fit and prevent ordering errors.\u003c\/li\u003e \u003cli\u003eStore and handle the breaker in its original packaging in a clean, dry environment to preserve the integrity of the trip mechanism and terminals.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn short, the Westinghouse FD3040L isn’t just a breaker—it’s a turnkey solution for safe, reliable three‑phase protection with streamlined procurement and maintenance workflows. Trust AmpState to provide accurate fit guidance and a genuine, ready‑to‑ship FD3040L to keep your electrical distribution running smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46412445024418,"sku":"FD3040L","price":943.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/www.ampstate.com\/products\/westinghouse-fd3040l-40a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}