{"product_id":"general-electric-thjk426300ll-circuit-breaker","title":"General Electric | THJK426300LL | Circuit Breaker | 300A | 2-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eGeneral Electric THJK426300LL Circuit Breaker\u003c\/strong\u003e is a purpose-built protection device for high-demand electrical systems. With a 300A amperage rating and a 2-pole configuration, it protects two energized conductors in circuits up to 600V. It’s the dependable choice for maintenance, retrofit, and replacement tasks where exact GE specifications are required.\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 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e THJK426300LL\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e General Electric (GE)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters: Using the exact part number THJK426300LL ensures proper fit and electrical ratings, reducing the risk of incompatibility in GE-branded panels and equipment. This is especially important during scheduled maintenance or when performing a retrofit to meet current protection needs.\u003c\/p\u003e \u003ch3\u003eBest use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: keep a ready GE-approved replacement on hand to minimize downtime.\u003c\/li\u003e \u003cli\u003eRetrofit: upgrade or restore protection in GE panels requiring a 300A, 2-pole, 600V breaker.\u003c\/li\u003e \u003cli\u003eReplacement: swap out a failed unit with a direct, compatible GE part to restore electrical protection quickly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for installation and selection:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering. The THJK426300LL part number is the best reference for compatibility.\u003c\/li\u003e \u003cli\u003eHandle with standard electrical safety precautions—disconnect power and follow local codes during replacement.\u003c\/li\u003e \u003cli\u003eKeep a few GE THJK-series breakers on hand for planned maintenance in busy service environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46426169671842,"sku":"THJK426300LL","price":22430.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/general-electric-thjk426300ll-circuit-breaker-300a-2-pole-600v-397.webp?v=1789526642","url":"https:\/\/www.ampstate.com\/products\/general-electric-thjk426300ll-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}