{"product_id":"siemens-jd62b300l-circuit-breaker","title":"Siemens | JD62B300L | Circuit Breaker | 300A | 2-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens JD62B300L Circuit Breaker\u003c\/strong\u003e is a heavy-duty, 2-pole protective device engineered for demanding electrical setups. With a 300A current rating and a 600V maximum, it delivers dependable overcurrent protection for sizable distribution circuits in commercial and industrial environments.\u003c\/p\u003e \u003cp\u003eThis model is tailored for maintenance, retrofit, and replacement projects where exact specifications matter. The JD62B300L part number is the most reliable reference for compatibility, so be sure to verify that your panel accepts JD62B-series breakers before ordering.\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 rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e JD62B300L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility reminder:\u003c\/strong\u003e Best reference for panel compatibility; confirm fit and ratings prior to purchase\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy you’ll value this Siemens circuit breaker\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongreliable protection for high-current feeders:\u003e Designed to interrupt substantial fault currents and help prevent damage to downstream equipment.\u003c\/strongreliable\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear alignment with JD62B panels:\u003c\/strong\u003e Specifically chosen to fit Siemens JD62B-compatible installations, making retrofit and replacement smoother.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStraightforward maintenance pathway:\u003c\/strong\u003e When an existing 300A, 2-pole, 600V device fails or becomes obsolete, this breaker provides a direct, specification-matched replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, purpose-built for industrial and commercial use:\u003c\/strong\u003e Built to withstand daily operating conditions in distribution panels and control enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance of existing Siemens distribution panels that require a 300A, 2-pole, 600V breaker.\u003c\/li\u003e \u003cli\u003eRetrofit projects where panel compatibility with the JD62B family is essential.\u003c\/li\u003e \u003cli\u003eReplacement of aging or failed breakers in large-capacity electrical systems, including commercial facilities and light industrial setups.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFitment and installation guidance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways verify that the panel accepts JD62B-series breakers and that the 300A, 2-pole, 600V ratings align with your system requirements.\u003c\/li\u003e \u003cli\u003eBefore installation, de-energize the panel and follow all local electrical codes and safety practices. Use manufacturer torque recommendations and ensure secure mounting for reliable operation.\u003c\/li\u003e \u003cli\u003eThis part serves as a direct reference point for compatibility; if your panel model or rating differs, seek an exact match to avoid improper fitment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat to expect in performance and longevity\u003c\/h3\u003e\n\u003cp\u003eWhen properly matched to your Siemens panel, the JD62B300L delivers consistent protective action under fault conditions, helping to safeguard transformers, feeders, and downstream equipment. Its build quality and adherence to Siemens specifications contribute to predictable tripping behavior and long-term reliability in demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427481374882,"sku":"JD62B300L","price":20308.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-jd62b300l-circuit-breaker-300a-2-pole-600v-151.webp?v=1789729187","url":"https:\/\/www.ampstate.com\/products\/siemens-jd62b300l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}