{"product_id":"siemens-hhlxd63b300l-circuit-breaker","title":"Siemens | HHLXD63B300L | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens HHLXD63B300L\u003c\/strong\u003e is a 3-Pole circuit breaker engineered for reliable protection in Siemens panels and compatible electrical systems. Built for maintenance, retrofit, and replacement tasks where exact specifications matter, this unit helps you keep critical circuits energized safely with minimal downtime.\u003c\/p\u003e \u003cp\u003eKey advantages you’ll notice in day-to-day operations:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole (3-Pole)\u003c\/strong\u003e design provides synchronized protection across all three phases of a 3-phase system, helping prevent phase imbalances and ensuring coordinated tripping within the panel.\u003c\/li\u003e \u003cli\u003eIdentified by the exact part number \u003cstrong\u003eHHLXD63B300L\u003c\/strong\u003e for straightforward cross-referencing and compatibility checks.\u003c\/li\u003e \u003cli\u003eIdeal for \u003cstrong\u003emaintenance windows\u003c\/strong\u003e, \u003cstrong\u003eretrofits\u003c\/strong\u003e, and \u003cstrong\u003ereplacement projects\u003c\/strong\u003e where you must match precise ratings and physical fit to existing gear.\u003c\/li\u003e \u003cli\u003eClear, customer-friendly compatibility reference: the \u003cstrong\u003epart number is the best reference for compatibility\u003c\/strong\u003e; always compare against your panel label and Siemens documentation before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider this breaker:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFacilities engineers and electrical contractors performing panel modernization or load upgrades in commercial or light industrial settings.\u003c\/li\u003e \u003cli\u003eMaintenance teams keeping a reliable spare on hand for mission-critical equipment.\u003c\/li\u003e \u003cli\u003ePanel installers requiring a dependable Siemens component with precise identification for fast, accurate sourcing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eReal-world scenarios where this breaker shines:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eWhen a replacement must fit exactly within an existing Siemens panel, the HHLXD63B300L minimizes adaptation work and accelerates commissioning.\u003c\/li\u003e \u003cli\u003eDuring retrofit projects, matching the 3-Pole architecture ensures proper three-phase protection and proper coordination with surrounding devices.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePurchase and installation tips:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering; rely on the \u003cstrong\u003eSiemens part number HHLXD63B300L\u003c\/strong\u003e as the strongest compatibility reference.\u003c\/li\u003e \u003cli\u003eDouble-check your panel labeling and consult Siemens documentation to prevent mismatches.\u003c\/li\u003e \u003cli\u003eFollow standard safety practices: de-energize circuits and use proper locking\/tagging procedures during any replacement or maintenance work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427076526242,"sku":"HHLXD63B300L","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hhlxd63b300l-circuit-breaker-3-pole-992.webp?v=1789668939","url":"https:\/\/www.ampstate.com\/products\/siemens-hhlxd63b300l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}