{"product_id":"general-electric-thjk636300ll-circuit-breaker","title":"General Electric | THJK636300LL | Circuit Breaker | 300A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the General Electric THJK636300LL—an industrial-grade circuit breaker engineered for demanding 3‑phase systems. This 300A, 3‑pole, 600V bolt‑on model delivers reliable overcurrent protection in retrofit, maintenance, and replacement projects where exact spec alignment matters most.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\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\u003eMounting:\u003c\/strong\u003e Bolt‑On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e THJK636300LL\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest use cases:\u003c\/strong\u003e maintenance, retrofit, replacement where matching specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this bolt‑on design stands out\u003c\/h3\u003e\n\u003cp\u003eDesigned for secure, durable installation, the bolt‑on mounting of the THJK636300LL provides a solid mechanical fit in compatible GE panels and enclosures. The 3‑pole configuration safeguards three‑phase circuits, delivering coordinated protection across all live conductors. With a 600V rating, it’s suited for higher‑voltage applications common in industrial environments, manufacturing lines, and large facilities that rely on stable, predictable protection for essential equipment.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing worn or damaged 300A, 3‑pole breakers in existing GE panel systems\u003c\/li\u003e \u003cli\u003eRetrofit projects where a matching THJK636300LL component is required to restore original protection characteristics\u003c\/li\u003e \u003cli\u003eMaintenance intervals that demand a reliable, high‑capacity circuit breaker for three‑phase feeders\u003c\/li\u003e \u003cli\u003eNew installations in compliant, bolt‑on GE‑style enclosures that call for a precise 600V, 3‑pole solution\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation notes and practical tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering. The part number THJK636300LL is the most reliable reference for compatibility with your enclosure and system.\u003c\/li\u003e \u003cli\u003eEnsure the enclosure accepts bolt‑on mounting and that the panel’s electrical ratings align with a 600V, 3‑pole, 300A device.\u003c\/li\u003e \u003cli\u003eFollow standard safety practices: de‑energize and lock out\/tag out the circuit before installation, and verify connections are secure after mounting.\u003c\/li\u003e \u003cli\u003eKeep a spare THJK636300LL on hand for planned maintenance or rapid replacement to minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor professionals upgrading or maintaining three‑phase power protection, the GE THJK636300LL offers a precise, reliable upgrade path—delivering dependable circuit protection where it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46427499757730,"sku":"THJK636300LL","price":8116.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/general-electric-thjk636300ll-circuit-breaker-300a-3-pole-600v-bolt-726.webp?v=1789732246","url":"https:\/\/www.ampstate.com\/products\/general-electric-thjk636300ll-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}