{"product_id":"allen-bradley-140u-m6x3-circuit-breaker","title":"Allen-Bradley | 140U-M6X3 | Circuit Breaker | 800A | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Allen-Bradley 140U-M6X3 circuit breaker — a genuine, high-current protection device designed for demanding industrial environments. With an 800A rating at 600V, this breaker is built to safeguard critical circuits in distribution panels, motor control centers, and other heavy electrical applications while supporting reliable, repeatable performance during maintenance, retrofit, and replacement projects.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 800 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e 140U-M6X3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for:\u003c\/strong\u003e Maintenance, retrofit, and replacement where exact specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 140U-M6X3 matters for your operation\u003c\/h3\u003e\n\u003cp\u003eFor facilities relying on precise, predictable protection, the 140U-M6X3 delivers a plug-and-play upgrade path within Allen-Bradley’s 140U family. Its specifications align with the needs of high-current feeders, helping to prevent cascading faults and reduce downtime during service windows. Because it’s a genuine Allen-Bradley part, you gain consistency with other protection devices in your panel, preserving warranty coverage and long-term reliability.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading aging protection in industrial distribution panels to support 800A circuits\u003c\/li\u003e \u003cli\u003eRetrofitting motor control centers where exact 140U-frame compatibility is required\u003c\/li\u003e \u003cli\u003eStocking spare breakers for maintenance programs to minimize downtime\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number is the best reference for compatibility. Use this 140U-M6X3 to ensure seamless replacement within existing 140U-frame installations and to maintain consistent electrical performance across your protection system.\u003c\/p\u003e \u003ch3\u003ePractical considerations and setup tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify panel labeling and conductor sizing to match the 800A, 600V ratings.\u003c\/li\u003e \u003cli\u003eKeep a stock of matching 140U-series components to streamline future maintenance.\u003c\/li\u003e \u003cli\u003eWhen replacing, follow OEM torque specs and enclosure guidelines to ensure a reliable, clamp-tight installation.\u003c\/li\u003e \u003cli\u003eDocument the replacement part number in your maintenance logs to simplify future service decisions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46426263060642,"sku":"140U-M6X3","price":2010.0,"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\/allen-bradley-140u-m6x3-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}