{"product_id":"eaton-kd3300x-300a-600v-3-pole-bolt-on-circuit-breaker","title":"Eaton KD3300X - 300 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton KD3300X delivers robust, three‑phase protection for demanding electrical systems. This 3‑pole bolt‑on molded case circuit breaker is rated for 300 A at 600 V, making it a dependable choice for heavy circuits in panelboards and load centers. Built to endure vibration and help prevent loose connections, it’s a smart, long‑term solution for residential upgrades, commercial installs, and light industrial applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt‑on mounting\u003c\/strong\u003e provides a rigid bus connection that resists vibration and movement, reducing wear and maintaining reliable current paths in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal‑magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by responding to both overloads and short circuits, helping to prevent nuisance trips and equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e is designed to work with matching Eaton load centers and panelboards, ensuring straightforward replacement and consistent performance across systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e ideal for residential panel upgrades, commercial electrical rooms, and light industrial distribution where high‑current protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy the KD3300X stands out\u003c\/h3\u003e\n\u003cp\u003eUnlike smaller or plug‑in breakers, the KD3300X’s bolt‑on design anchors firmly to the panel, which matters when panels face vibration, temperature shifts, or heavy loads. The thermal‑magnetic trip unit provides precise coordination with other protection devices in the same panel, helping you maintain system integrity under varying electrical conditions.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrong amperage rating:\u003e 300 A\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong voltage rating:\u003e 600 V\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong poles:\u003e 3\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong mounting style:\u003e Bolt‑on\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong type:\u003e Thermal‑magnetic molded case circuit breaker\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong application:\u003e Branch circuit overcurrent and short‑circuit protection\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho should consider the KD3300X\u003c\/h3\u003e\n\u003cp\u003eElectrical professionals installing or upgrading panelboards in homes, offices, retail spaces, or light manufacturing facilities will find the KD3300X to be a reliable, future‑proof choice. It pairs well with existing Eaton systems, ensuring consistent protection across generations of equipment and simplifying maintenance planning.\u003c\/p\u003e \u003ch3\u003ePractical guidance and care\u003c\/h3\u003e\n\u003cp\u003eUse the KD3300X where three‑phase protection is required and ensure panelboard compatibility with Eaton’s line of OEM components. For installation, follow the panel manufacturer’s guidelines and local electrical codes. Regularly inspect for secure mounting and clean, dry connections to maximize longevity and protection performance.\u003c\/p\u003e \u003cp\u003eWith the Eaton KD3300X, you gain a high‑current, three‑pole, bolt‑on solution that keeps your critical circuits safeguarded, your equipment protected, and your projects on track—from residential upgrades to light industrial distributions.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349627490466,"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_bcb3fa89-769f-4449-b488-935a9ff88950.png?v=1764151830","url":"https:\/\/www.ampstate.com\/products\/eaton-kd3300x-300a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}