{"product_id":"eaton-ld3300x-300a-600v-3-pole-bolt-on-circuit-breaker","title":"Eaton LD3300X - 300 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003eEaton LD3300X\u003c\/strong\u003e is a rugged, 3-pole bolt-on molded case circuit breaker designed for dependable branch circuit protection in panelboards and load centers. With its bolt-on mounting, this unit delivers a rigid, vibration-resistant bus connection that stays secure even in demanding electrical environments.\u003c\/p\u003e \u003cp\u003eEngineered for precise protection, the \u003cstrong\u003ethermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable performance by responding to overloads with heat and to short circuits with fast magnetic tripping. This means fewer nuisance trips and faster fault clearance, helping protect both conductors and connected equipment in your system.\u003c\/p\u003e \u003cp\u003eDesigned for compatibility, the LD3300X is \u003cstrong\u003ecompatible with matching OEM load centers and panelboards\u003c\/strong\u003e, making it a reliable choice when upgrading or expanding existing Eaton-based electrical ensembles. Its 3-pole configuration is ideal for three-phase circuits, while the \u003cstrong\u003e300A amperage rating\u003c\/strong\u003e and \u003cstrong\u003e600V maximum voltage\u003c\/strong\u003e positioning suit a range of applications from mid-sized commercial to light industrial settings.\u003c\/p\u003e \u003ch3\u003eWhy this matters for your projects\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a solid, vibration-resistant connection that minimizes bus bar loosening in installations subject to movement or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic protection\u003c\/strong\u003e combines overload and short-circuit protection in a single device, simplifying panel design and improving protection reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase readiness\u003c\/strong\u003e with 3 poles ensures comprehensive protection across all conductors in a 3-phase system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-capacity duty\u003c\/strong\u003e at 300A handles substantial branch circuits without frequent replacements or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suited for residential, commercial, and light industrial environments where panelboards and load centers require dependable, OEM-compatible protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: \u003cstrong\u003eEaton\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003ePart Number: \u003cstrong\u003eLD3300X\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eType: \u003cstrong\u003eThermal-magnetic molded case circuit breaker\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eAmperage Rating: \u003cstrong\u003e300A\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eVoltage Rating: \u003cstrong\u003e600V\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eNumber of Poles: \u003cstrong\u003e3\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eMounting Style: \u003cstrong\u003eBolt-on\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eApplication: \u003cstrong\u003eBranch circuit overcurrent and short-circuit protection\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cp\u003eInstall the LD3300X in service panels or distribution panels that require robust 3-phase protection for commercial spaces, light industrial equipment, or large residential installations. It’s particularly advantageous in environments where panel vibrations are common, or where a secure, OEM-matched solution is preferred for streamlined maintenance and compatibility.\u003c\/p\u003e \u003ch3\u003eInstallation and compatibility notes\u003c\/h3\u003e\n\u003cp\u003eChoose the LD3300X when you need a bolt-on solution that aligns with Eaton’s panelboard ecosystems. Its design emphasizes a tight, dependable bus connection and straightforward replacement in compatible panelboards and load centers, helping you maintain electrical safety standards with minimal downtime.\u003c\/p\u003e \u003cp\u003eReady to upgrade or expand your electrical protection? The \u003cstrong\u003eEaton LD3300X\u003c\/strong\u003e delivers heavy-duty, reliable branch-circuit protection with a secure mounting approach, precise thermal-magnetic trip performance, and OEM-compatible integration for peace of mind in residential, commercial, and light industrial applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349631717538,"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_66dc5d77-aa8e-4d20-86fc-8d250869e8bd.png?v=1764151967","url":"https:\/\/www.ampstate.com\/products\/eaton-ld3300x-300a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}