{"product_id":"hjl634300-circuit-breaker","title":"HJL634300 | Circuit Breaker | 300A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing HJL634300, a rugged three-pole industrial circuit breaker engineered for demanding power environments. With a 300A rating and a 600V maximum system voltage, it provides reliable protection for three-phase feeders and connected equipment. This unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy choose this model\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility\u003c\/strong\u003e: The part number HJL634300 is the best reference for fit and ratings, minimizing guesswork in replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole, balanced protection\u003c\/strong\u003e: Simultaneous interruption of all three phases enhances safety and protects equipment from phase faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V throughput\u003c\/strong\u003e: Suitable for standard industrial distribution systems up to 600V, matching common facility voltages.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e300A current rating\u003c\/strong\u003e: Handles high-load scenarios typical of main feeders and sizable branch circuits without nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit-ready option\u003c\/strong\u003e: Designed to slot into panels and gear that require these exact specifications, making maintenance and upgrades smoother.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance of service panels in manufacturing facilities, warehouses, and processing plants\u003c\/li\u003e \u003cli\u003eRetrofit projects upgrading aging power distribution with a compliant 3-pole, 600V solution\u003c\/li\u003e \u003cli\u003eReplacement for legacy installations where the 300A, 3-pole, 600V spec is required\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eHow to verify fit and order confidently\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUse the part number HJL634300 as your primary compatibility reference\u003c\/li\u003e \u003cli\u003eConfirm amperage (300A), number of poles (3-Pole), and system voltage (600V) against your equipment catalog\u003c\/li\u003e \u003cli\u003eCross-check mounting style and panel compatibility with your panel manufacturer’s documentation\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eProtect your industrial power distribution with a proven, job-specific solution. Add the HJL634300 to your cart and ensure you have the exact replacement part you need for reliable, compliant operation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46424424120482,"sku":"HJL634300","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/hjl634300-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}