{"product_id":"westinghouse-rf3040l-circuit-breaker","title":"Westinghouse | RF3040L | Circuit Breaker | 40A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eWestinghouse RF3040L\u003c\/strong\u003e circuit breaker delivers essential overcurrent protection for three‑phase power systems. With a robust 40A rating across 3 poles and a 600V operating envelope, this breaker is engineered to safeguard motors, pumps, and control panels in demanding commercial and light industrial environments.\u003c\/p\u003e \u003cp\u003eIdeal for maintenance, retrofit, and replacement projects where exact specifications matter, the RF3040L ensures you can match your existing equipment without guesswork. Its three‑pole design provides comprehensive protection across all phases, helping prevent equipment damage and unplanned downtime.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e RF3040L\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this model stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDirect compatibility for retrofit or replacement where a 3‑pole, 40A, 600V protector is required, reducing downtime and misfits.\u003c\/li\u003e \u003cli\u003eClear, dependable performance across three phases helps protect motors and control circuits from overloads and short circuits.\u003c\/li\u003e \u003cli\u003eDesigned to integrate with existing panel architectures that specify the RF3040L, making the part the most reliable reference for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or worn circuit breaker in three‑phase machinery and equipment.\u003c\/li\u003e \u003cli\u003eRetrofitting older panels to meet current protection requirements without overhauling the entire electrical cabinet.\u003c\/li\u003e \u003cli\u003eMaintenance shut‑downs and routine servicing where a precise 40A, 3‑pole, 600V breaker is needed.\u003c\/li\u003e \u003cli\u003ePanel modernization projects in commercial facilities, factories, or workshop environments that run three‑phase loads up to 40A.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and best practices\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways power down and lockout before handling breakers. Verify that your panel supports 600V systems and the 3‑pole configuration.\u003c\/li\u003e \u003cli\u003eDouble‑check the fit against the panel’s compatibility notes—the RF3040L part number is the best reference for ensuring a proper match.\u003c\/li\u003e \u003cli\u003eIf you're replacing an aging unit, compare the trip curve and mounting style to maintain consistent protection characteristics and handling of your circuit loads.\u003c\/li\u003e \u003cli\u003eFor professional results, enlist a licensed electrician to perform installation and ensure all wiring and clearances comply with local electrical codes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the Westinghouse RF3040L means prioritizing reliability and precise compatibility for your three‑phase protection needs. Whether you’re upgrading an aging panel, performing a targeted retrofit, or replacing a failed component, this 40A, 3‑pole, 600V breaker helps you maintain smooth operation and dependable electrical safety.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427406172322,"sku":"RF3040L","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\/westinghouse-rf3040l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}