{"product_id":"eaton-hldb3350c-circuit-breaker","title":"Eaton | HLDB3350C | Circuit Breaker | 350A | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton HLDB3350C circuit breaker is engineered to deliver reliable overload and short-circuit protection for demanding 3-phase power systems. With a robust 350A rating and three poles, this unit is purpose-built for maintenance, retrofit, and replacement projects where exact Eaton specifications are non-negotiable.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 350A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HLDB3350C\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number HLDB3350C is the best reference for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the HLDB3350C\u003c\/h3\u003e\n\u003cp\u003eDesigned as a genuine Eaton replacement, the HLDB3350C mirrors Eaton’s established protection characteristics for three-phase systems. The 350A rating provides decisive main-feed protection for high-load equipment, ensuring that large motors, feeders, and other heavy circuits stay safeguarded. The \u003cstrong\u003e3-pole design\u003c\/strong\u003e delivers balanced protection across all phases, helping prevent phase imbalances that can stress downstream components and shorten equipment life.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service continuity for existing Eaton panels and switchgear\u003c\/li\u003e \u003cli\u003eRetrofit projects where exact specifications are required to restore protective sizing\u003c\/li\u003e \u003cli\u003eReplacement in industrial 3-phase distribution setups that demand reliable, long-term protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to verify compatibility\u003c\/h3\u003e\n\u003cp\u003eAlways reference the \u003cstrong\u003eHLDB3350C\u003c\/strong\u003e part number when cross-checking against panel catalogs or labeling. Compare form factor, trip characteristics, and amp rating to ensure a precise match. If you’re upgrading or replacing, consult your panel’s documentation or a qualified electrician to confirm fitment.\u003c\/p\u003e \u003ch3\u003eInstallation and safety tips\u003c\/h3\u003e\n\u003cp\u003ePower down the system fully before replacement. Use appropriate lockout\/tagout procedures and personal protective equipment. Follow local electrical codes and manufacturer guidelines to ensure a safe, compliant installation. If you’re not a licensed electrician, arrange professional installation to maximize safety and performance.\u003c\/p\u003e \u003cp\u003eWith the Eaton \u003cstrong\u003eHLDB3350C\u003c\/strong\u003e, you’re selecting a trusted, high-capacity circuit breaker designed to support demanding 3-phase applications. Its precise amperage, three-pole architecture, and clear compatibility reference make it an economical, reliable choice for maintaining and upgrading industrial electrical infrastructure.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46426240516258,"sku":"HLDB3350C","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-hldb3350c-circuit-breaker-350a-3-pole-470.webp?v=1789541165","url":"https:\/\/www.ampstate.com\/products\/eaton-hldb3350c-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}