{"product_id":"siemens-jd63b350l-circuit-breaker","title":"Siemens | JD63B350L | Circuit Breaker | 350A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for robust industrial electrical protection, the \u003cstrong\u003eSiemens JD63B350L\u003c\/strong\u003e circuit breaker delivers dependable performance for three‑phase systems up to 600V, with a precise \u003cstrong\u003e350A\u003c\/strong\u003e rating. This \u003cstrong\u003e3‑Pole\u003c\/strong\u003e unit is built for demanding environments and is ideal for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 350A — strong protection for high‑demand loads and critical equipment\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3‑Pole — designed to interrupt all three phases simultaneously for complete phase protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 600V — suitable for standard industrial and commercial three‑phase systems\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number reference\u003c\/strong\u003e: JD63B350L — using the exact part number ensures compatibility with matching panels and assemblies\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest use cases\u003c\/strong\u003e: maintenance, retrofit, and replacement where seamless electrical protection is required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens JD63B350L stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eExact fit and reliable performance: The JD63B350L is purpose‑built to align with compatible Siemens panels and upstream protection schemes, reducing the guesswork during replacements.\u003c\/li\u003e \u003cli\u003eThree‑phase safety: A true 3‑Pole design ensures simultaneous disconnection of all phases on fault, which is crucial for protecting motors, drives, and other three‑phase equipment.\u003c\/li\u003e \u003cli\u003eHigh‑current, compact protection: 350A capacity provides strong protection for substantial loads without needing multiple breakers, simplifying panel layouts and maintenance.\u003c\/li\u003e \u003cli\u003eVersatile maintenance and retrofit option: Ideal for upgrading older gear to modern protection standards or replacing worn components without overhauling the system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial manufacturing lines with three‑phase motors and drives\u003c\/li\u003e \u003cli\u003eData centers or IT rooms with high‑demand equipment requiring reliable, quick‑trip protection\u003c\/li\u003e \u003cli\u003eElectrical retrofit projects where existing equipment requires a precise JD63B350L replacement\u003c\/li\u003e \u003cli\u003ePanel upgrades or service outages where a like‑for‑like Siemens component ensures consistent protection characteristics\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant note\u003c\/strong\u003e: Before ordering, confirm fit and ratings for your specific installation. The part number (JD63B350L) is the best reference for compatibility, ensuring you secure an exact match to your existing protection scheme and panel infrastructure.\u003c\/p\u003e \u003cp\u003eEquip your system with a trusted Siemens circuit breaker that prioritizes safety, reliability, and precise compatibility. The JD63B350L is ready to safeguard demanding three‑phase environments, minimizing downtime and protecting your valuable equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425635782818,"sku":"JD63B350L","price":4095.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-jd63b350l-circuit-breaker-350a-3-pole-600v-117.webp?v=1789434816","url":"https:\/\/www.ampstate.com\/products\/siemens-jd63b350l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}