{"product_id":"ge-tjj436300wl-300a-600v-3-pole-circuit-breaker","title":"GE TJJ436300WL - 300 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the GE TJJ436300WL, a 300A, 600V, 3-pole molded case circuit breaker engineered to anchor reliable branch-circuit protection in panelboards and loadcenters.\u003c\/p\u003e \u003cp\u003eDesigned for demanding environments, this breaker offers a compact footprint that frees up valuable panel space while delivering robust, dependable protection for three-phase circuits. The thermal-magnetic trip unit ensures stable, repeatable performance through a wide range of operating temperatures, reducing nuisance trips and helping maintain steady system operation during faults.\u003c\/p\u003e \u003ch2\u003eKey benefits at a glance\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e maximizes panel space and simplifies retrofits in crowded panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip\u003c\/strong\u003e provides accurate overload protection plus instantaneous short-circuit interruption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e supports three-phase circuits and common-trip operation, ideal for balanced panel layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e600V rating\u003c\/strong\u003e suitable for higher-voltage feeder and downstream equipment in commercial or light industrial settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300A rating\u003c\/strong\u003e serves as a main disconnect or a high-current feeder, enabling scalable protection for sizeable loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM panel compatibility\u003c\/strong\u003e designed to work with matching GE OEM loadcenters and panelboards, ensuring reliable integration.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical use cases\u003c\/h2\u003e \u003cp\u003eRecommended for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNew installations in commercial spaces where a robust 3-phase protection is required.\u003c\/li\u003e\n\u003cli\u003eUpgrading subpanels or service entrances in light industrial facilities needing higher current capacity.\u003c\/li\u003e\n\u003cli\u003eRepairs or replacements in existing GE-compatible panelboards where a precise 300A, 600V, 3-pole performance is needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e GE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e TJJ436300WL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 300A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor a seamless upgrade, pair this breaker with GE's compatible loadcenters and panelboards that share the same electrical characteristics, and follow all panel manufacturer guidelines for replacement procedures. This combination delivers predictable protection, streamlined maintenance, and long-term reliability for critical electrical infrastructure.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349717569698,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/general_electric_breaker_and_panel_4803f368-b322-4195-902e-ec91b30c8f09.png?v=1764154875","url":"https:\/\/www.ampstate.com\/products\/ge-tjj436300wl-300a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}