{"product_id":"eaton-ld3300w-300a-600v-3-pole-bolt-on-circuit-breaker","title":"Eaton LD3300W - 300 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton LD3300W is a robust 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. With a 300 A rating and a 600 V capacity, it’s built to handle demanding commercial and light industrial loads while maintaining safe, predictable performance across a wide range of conditions.\u003c\/p\u003e \u003cp\u003eKey advantages that set this breaker apart:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e for a rigid, vibration-resistant bus connection that stays solid under heavy use and in environments with movement or mechanical vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by combining overload sensing with fast short-circuit response, reducing nuisance trips and protecting both equipment and wiring.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e crafted to drop into matching Eaton OEM load centers and panelboards, simplifying replacement and serviceability without sacrificing performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current capability\u003c\/strong\u003e 300 A at 600 V makes it ideal for feeders and branch circuits that power mid-sized commercial equipment or light industrial systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Eaton\u003c\/li\u003e \u003cli\u003ePart number: LD3300W\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker (MCCB)\u003c\/li\u003e \u003cli\u003eAmperage rating: 300 A\u003c\/li\u003e \u003cli\u003eVoltage rating: 600 V\u003c\/li\u003e \u003cli\u003eNumber of poles: 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 \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cp\u003eUse the Eaton LD3300W to protect feeders supplying critical loads in commercial panelboards and residential multi-family installations where a compact, reliable 3-pole solution is needed. It’s also well-suited for light industrial panels that demand sturdy, vibration-resistant mounting and consistent trip performance. In each scenario, you gain predictable protection curves, simplified maintenance, and OEM-ready compatibility that keeps installation time to a minimum.\u003c\/p\u003e \u003ch3\u003eWhy choose this breaker\u003c\/h3\u003e\n\u003cp\u003eIf you’re prioritizing reliability and serviceability in protection equipment, the LD3300W delivers. The bolt-on design reduces micro-movements that can degrade electrical connections over time, while the thermal-magnetic trip unit provides a balanced response to overloads and faults. Pair it with compatible Eaton load centers for seamless integration, long-term performance, and easier future replacements.\u003c\/p\u003e \u003cp\u003eWhether you’re detailing a retrofit, outfitting a new installation, or stocking parts for ongoing service, the Eaton LD3300W 3-Pole Bolt-On Circuit Breaker is a purpose-built choice for safe, efficient, and scalable electrical protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349631684770,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-ld3300w-300-a-600-v-3-pole-bolt-on-circuit-breaker-ampstate-602.webp?v=1788696329","url":"https:\/\/www.ampstate.com\/products\/eaton-ld3300w-300a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}