{"product_id":"siemens-fxd63b100l-circuit-breaker","title":"Siemens | FXD63B100L | Circuit Breaker | 100A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens FXD63B100L Circuit Breaker is a 100A, 3-Pole device designed to protect three-phase electrical systems up to 600V. Built to align with exact specifications, it’s a dependable choice for maintenance, retrofit, and replacement projects where compatibility matters. The FXD63B100L ensures you’re restoring circuit protection with a part number that’s the best reference for matching existing installations.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100 A\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 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e FXD63B100L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication context:\u003c\/strong\u003e maintenance, retrofit, and replacement where exact specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this Siemens breaker stands out\u003c\/h2\u003e\n\u003cp\u003eWhen your system runs on a three-phase 600V network, accuracy in the protective device matters. The FXD63B100L delivers a reliable, field-proven solution from Siemens, minimizing uncertainties during upgrades or repairs. Its 3-pole design supports synchronized protection across all phases, helping to prevent cascading trips and reducing downtime in critical applications.\u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eIndustrial facilities updating legacy panels to current protection standards\u003c\/li\u003e \u003cli\u003eCommercial buildings undergoing electrical retrofit or expansion in three-phase networks\u003c\/li\u003e \u003cli\u003eEmergency replacements where the existing equipment requires an exact FXD63B100L spec match\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical considerations for installation and compatibility\u003c\/h2\u003e\n\u003cp\u003eBefore ordering, \u003cstrong\u003econfirm fit and ratings\u003c\/strong\u003e to ensure seamless compatibility with your panel and downstream equipment. The part number FXD63B100L is the most reliable reference for compatibility, so cross-check it against your existing labeling and documentation. If you’re replacing an older device, verify that your enclosure and conductor sizing align with three-phase 600V operation and a 100A rating to maintain optimal protection and performance.\u003c\/p\u003e \u003ch2\u003eHow it compares to other options\u003c\/h2\u003e\n\u003cp\u003eThis FXD63B100L from Siemens is targeted at users who require exact-spec replacement rather than a generic fit. Choose it when you need a direct, documented match for a 3-pole, 100A, 600V protective device in Siemens-compatible panels. It helps minimize installation risk and ensures consistent electrical protection aligned with the system’s design intent.\u003c\/p\u003e \u003cp\u003eIn short, the Siemens FXD63B100L is a purpose-built, spec-accurate solution for upgrading, maintaining, or replacing three-phase protection in value-critical applications. Add it to your cart to restore reliable, coordinated protection across all three phases.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425636044962,"sku":"FXD63B100L","price":2229.0,"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\/siemens-fxd63b100l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}