{"product_id":"general-electric-tb43300-circuit-breaker","title":"General Electric | TB43300 | Circuit Breaker | 300A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the General Electric TB43300 Circuit Breaker — a precise, OEM-grade solution engineered for demanding industrial and commercial electrical systems. This 300A, 3-pole device is designed for use in maintenance, retrofit, and replacement projects where exact specifications matter, delivering reliable overcurrent protection when it matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 300A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e TB43300\u003c\/li\u003e \u003cli\u003eNote: Use the TB43300 part number as the best reference for compatibility; confirm fit and ratings before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this GE TB43300 breaks through the ordinary\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eEngineered for steady, dependable protection of high-current three-phase circuits common in commercial and industrial panels.\u003c\/li\u003e \u003cli\u003eThree-pole design ensures balanced protection across all phases, helping prevent uneven loading and equipment stress in three-phase systems.\u003c\/li\u003e \u003cli\u003e600V rating expands compatibility with industrial power distribution networks and heavy-duty equipment found in facilities and manufacturing environments.\u003c\/li\u003e \u003cli\u003eGeneral Electric’s reliability and consistency mean fewer nuisance trips and predictable performance over the life of the panel.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRetrofits and upgrades of existing panels that require a 300A, 3-pole, 600V protection device.\u003c\/li\u003e \u003cli\u003eReplacement for failed or worn breakers in large commercial load centers, service entrances, or motor control applications.\u003c\/li\u003e \u003cli\u003eProtection for main distribution feeders feeding heavy equipment, conveyors, HVAC systems, and other high-current loads.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eInstallation and compatibility tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways verify that the panel brand and model specify TB43300 or a matching 300A, 3-pole, 600V breaker reference.\u003c\/li\u003e \u003cli\u003eCheck the panel label and documentation to ensure correct fit, rating, and trip characteristics before installation.\u003c\/li\u003e \u003cli\u003eFollow standard safety practices: de-energize the panel, verify zero voltage, and adhere to lockout\/tagout procedures during replacement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical guidance for selection and lifecycle\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eChoose GE TB43300 when your project requires an OEM-grade, manufacturer-referenced solution that aligns with GE panel designs and documentation.\u003c\/li\u003e \u003cli\u003eKeep a clear maintenance log for replacements and inspections to monitor performance over time and plan future replacements before failure risks arise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46427236958370,"sku":"TB43300","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/general-electric-tb43300-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}