{"product_id":"eaton-ld3450y-450a-600v-3-pole-bolt-on-circuit-breaker","title":"Eaton LD3450Y - 450 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton LD3450Y — a 450 A, 600 V, 3-pole bolt-on molded case circuit breaker built for reliable branch circuit overcurrent and short-circuit protection in panelboards and load centers. With a secure bolt-on mounting, a thermal-magnetic trip unit, and seamless compatibility with Eaton OEM load centers, this breaker is designed for demanding environments where uptime matters.\u003c\/p\u003e \u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe LD3450Y delivers decisive protection for three-phase distribution networks. Its bolt-on mounting creates a rigid, vibration-resistant connection to the bus, reducing movement that can compromise performance in busy electrical rooms. The integrated thermal-magnetic trip unit combines time-delayed overload protection with instantaneous short-circuit response, delivering stable, repeatable protection across a wide range of operating conditions.\u003c\/p\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e: A robust mechanical connection minimizes bus movement and improves reliability in panels subjected to vibration or movement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Predictable trip behavior protects circuits against nuisance trips while delivering fast, decisive disconnection during faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e: Ensures synchronized disconnection across all three phases, which is critical for balanced loads and equipment safety in commercial and light industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e: Precisely engineered to work with matching Eaton load centers and panelboards, simplifying replacement, retrofits, and new installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e: Suitable for residential, commercial, and light industrial environments where dependable circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical specifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Eaton\u003c\/li\u003e \u003cli\u003ePart number: LD3450Y\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage rating: 450 A\u003c\/li\u003e \u003cli\u003eVoltage rating: 600 V\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eMounting style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eThree‑phase commercial panelboards and distribution boards\u003c\/li\u003e \u003cli\u003eLight industrial service panels and motor control centers\u003c\/li\u003e \u003cli\u003eUpgrades or replacements in existing Eaton panel systems to restore or enhance protection\u003c\/li\u003e \u003cli\u003eNew installations where a robust, bolt-on, three-phase breaker is required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation and practical tips\u003c\/h2\u003e\n\u003cp\u003eFor best results, install the LD3450Y in compatible Eaton panelboards or load centers designed to accept this bolt-on, three-pole configuration. Follow standard electrical safety practices, ensure the power is de-energized before installation, and verify torque specifications for the mounting hardware to maintain the rigid bus connection. This unit is designed to integrate smoothly with other Eaton protective devices, providing consistent performance across your electrical distribution system.\u003c\/p\u003e \u003ch2\u003eWhy choose Eaton LD3450Y for your project\u003c\/h2\u003e\n\u003cp\u003eIf you’re designing or upgrading a distribution system that requires dependable three-phase protection with minimal downtime, the LD3450Y offers a precise, durable solution. Its combined thermal and magnetic protection reduces nuisance trips, while the bolt-on design simplifies installation and enhances long-term reliability in environments where vibration or movement is a factor. When you need a breaker you can trust to protect expensive equipment and keep business operations running, this 3-pole LD3450Y is a dependable choice.\u003c\/p\u003e \u003ch2\u003eAvailability\u003c\/h2\u003e\n\u003cp\u003ePart of Eaton’s trusted protection lineup, the LD3450Y is manufactured for compatibility with Eaton OEM load centers and panelboards. It’s available through authorized distributors and electrical supply partners, making it straightforward to source as a direct replacement or as part of a new installation.\u003c\/p\u003e \u003cp\u003eSecure the LD3450Y for your three-phase distribution needs today and experience reliable, steady protection that aligns with Eaton’s engineering standards and your project requirements.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349632438434,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton_breaker_and_panels_d332ebd4-5917-4a85-a08d-3d030a26d7b4.png?v=1764151994","url":"https:\/\/www.ampstate.com\/products\/eaton-ld3450y-450a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}