{"product_id":"rfa3040","title":"Cutler Hammer RFA3040 - 40A, 3-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Cutler Hammer RFA3040 — a 40A, 3-Pole circuit breaker designed for the rigors of modern electrical distribution. This device provides dependable overcurrent protection across three phases, making it an ideal choice for panelboards, switchboards, and control panels where uptime and safety matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e40A rating\u003c\/strong\u003e delivers precise protection for three-phase circuits, helping prevent equipment damage from overcurrent events\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole design\u003c\/strong\u003e ensures simultaneous protection of all three electrical phases in a single device\u003c\/li\u003e \u003cli\u003eSuitable for \u003cstrong\u003epanelboards\u003c\/strong\u003e, \u003cstrong\u003eswitchboards\u003c\/strong\u003e, \u003cstrong\u003econtrol panels\u003c\/strong\u003e, distribution panels, and motor control centers\u003c\/li\u003e \u003cli\u003eBuilt on the trusted Cutler-Hammer platform for rugged, reliable performance in demanding environments\u003c\/li\u003e \u003cli\u003eIdeal for \u003cstrong\u003eindustrial\u003c\/strong\u003e, \u003cstrong\u003ecommercial\u003c\/strong\u003e, and \u003cstrong\u003eOEM\u003c\/strong\u003e applications where safe operation is critical\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and benefits\u003c\/h3\u003e\n\u003cp\u003eIn factory settings, the RFA3040 protects motor feeders and three-phase distribution circuits within motor control centers, reducing the risk of damage from overcurrent and enabling faster fault isolation. In commercial electrical rooms, it helps maintain reliable service by quickly and cleanly interrupting faults. For OEM applications, this breaker provides a compact, plug-ready solution that integrates with existing three-phase power layouts.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e RFA3040\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 40A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the Cutler Hammer RFA3040 means prioritizing safety, reliability, and straightforward integration in your electrical distribution strategy. Whether upgrading a panelboard, equipping a switchboard, or configuring a motor control center, this 3-phase breaker helps keep systems protected and operating smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Cutler Hammer","offers":[{"title":"Default","offer_id":46391127572642,"sku":"RFA3040","price":1065.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_97e55f92-2919-4c82-aa5e-a23050807a0b.png?v=1765382156","url":"https:\/\/www.ampstate.com\/products\/rfa3040","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}