{"product_id":"general-electric-tjk436300ll-circuit-breaker","title":"General Electric | TJK436300LL | Circuit Breaker | 300A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eGeneral Electric’s TJK436300LL is a purpose-built circuit breaker engineered for demanding electrical installations. This 300A, 3-pole unit is rated for 600V, making it a robust choice for high-current feeders in commercial and industrial panels. Designed for maintenance, retrofit, and replacement projects, it helps you restore reliable protection with exact-spec compatibility.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\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 reference:\u003c\/strong\u003e TJK436300LL\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eImportant note:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number is the best reference for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this GE circuit breaker stands out\u003c\/h3\u003e\n\u003cp\u003eChoosing the exact GE part number TJK436300LL delivers a precise match to your existing panel geometry, mounting footprint, and interruption characteristics. This means fewer retrofit surprises and quicker, more dependable protection for high-current circuits. With a three-pole configuration, it provides clean, balanced protection across all phases, helping to safeguard motors, feeders, and distribution networks from overloads and faults.\u003c\/p\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a worn or outdated GE breaker in panels that specify a 300A, 3-pole 600V unit.\u003c\/li\u003e \u003cli\u003eRetrofit projects where existing equipment requires an exact-spec part to maintain electrical code compliance and system performance.\u003c\/li\u003e \u003cli\u003eHigh-current feeders for commercial equipment, industrial machinery, and three-phase distribution networks.\u003c\/li\u003e \u003cli\u003eSpare parts planning for maintenance programs in facilities with GE electrical infrastructure.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFitment, verification, and installation tips\u003c\/h3\u003e\n\u003cp\u003eTo ensure seamless compatibility, verify that your panel accepts a 3-pole, 600V unit with the same amperage. The best reference for compatibility is the exact part number—TJK436300LL—paired with your panel’s model and series. Before installation, disconnect power, follow local electrical codes, and use proper PPE. If you’re uncertain about fitment, consult your panel’s documentation or a licensed electrician to confirm the match.\u003c\/p\u003e \u003ch3\u003ePractical guidance for maintenance and longevity\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eStore replacement breakers in their original packaging until installation to prevent corrosion or damage.\u003c\/li\u003e \u003cli\u003eInspect for visible wear or damage before swapping in a new unit; do not reuse a compromised breaker.\u003c\/li\u003e \u003cli\u003eIntegrate with routine panel inspections to catch mounting or alignment issues early, maintaining reliable trip performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46427497824418,"sku":"TJK436300LL","price":4672.0,"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-tjk436300ll-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}