{"product_id":"general-electric-tjk436400ll-circuit-breaker","title":"General Electric | TJK436400LL | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eGeneral Electric TJK436400LL Circuit Breaker — 400A, 3-Pole, 600V\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for demanding electrical environments, the General Electric TJK436400LL circuit breaker provides a precise 400-amp rating across three poles for up to 600 volts. This unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter, helping you protect three-phase systems with confidence and keep downtime to a minimum.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest reference for compatibility:\u003c\/strong\u003e Part number TJK436400LL\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal use cases:\u003c\/strong\u003e Maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eImportant note:\u003c\/strong\u003e Confirm fit and ratings before ordering to ensure a correct match with your panel\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical applications include upgrading distribution panels in commercial or industrial spaces, replacing aging breakers in service panels, and retrofitting systems that operate on three-phase 600V services. The 3-pole design ensures synchronized disconnection across all phases, improving safety when servicing motors, conveyors, and other three-phase equipment.\u003c\/p\u003e \u003cp\u003eWhy this matters: using the exact part number—TJK436400LL—helps guarantee compatibility and reliable protection, reducing uncertainty and streamlining procurement for complex electrical installs. If your project requires a GE 400A, 3-Pole, 600V solution, this breaker delivers the precise specifications you need with clear, referenceable compatibility.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePro tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eVerification:\u003c\/strong\u003e Always reference the exact part number (TJK436400LL) to confirm fit with your panel model and rating.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInventory planning:\u003c\/strong\u003e Keep a spare on hand for planned maintenance to minimize equipment downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46427497758882,"sku":"TJK436400LL","price":5993.0,"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-tjk436400ll-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}