{"product_id":"siemens-hlxd63b400l-circuit-breaker","title":"Siemens | HLXD63B400L | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for reliability in Siemens electrical systems, the HLXD63B400L is a 3-pole circuit breaker built for maintenance, retrofit, and replacement projects where exact specs matter. If you’re restoring or upgrading a Siemens distribution panel, this unit helps you preserve system performance without compromise.\u003c\/p\u003e \u003ch3\u003eWhy this 3-Pole breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole configuration\u003c\/strong\u003e supports three-phase protection in a single device, making it ideal for commercial or light industrial power distribution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel-specific reference\u003c\/strong\u003e identified by part number HLXD63B400L, simplifying compatibility checks and ordering.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTargeted use\u003c\/strong\u003e—designed for maintenance, retrofit, and replacement tasks where matching specifications are essential for seamless integration.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Before ordering, confirm fit and ratings. The part number HLXD63B400L is the best reference for compatibility with your Siemens equipment.\u003c\/p\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintaining or upgrading three-phase panels in manufacturing facilities, commercial spaces, or data centers where Siemens gear is standard.\u003c\/li\u003e \u003cli\u003eRetrofits that require swapping like-for-like breakers to minimize downtime and preserve panel design integrity.\u003c\/li\u003e \u003cli\u003eReplacement in aging systems to restore protection without reconfiguring the distribution setup.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003ePlan your upgrade by verifying the panel model and the required amperage and trip characteristics. Ensure the HLXD63B400L matches the exact specifications of your Siemens panel to avoid compatibility issues. When in doubt, reference the part number HLXD63B400L as the primary compatibility guide, and consult your panel’s documentation for any manufacturer-recommended cross-checks.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427074494626,"sku":"HLXD63B400L","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a0994f42-7fad-49d1-911a-c2784022b8c9.png?v=1765492979","url":"https:\/\/www.ampstate.com\/products\/siemens-hlxd63b400l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}