{"product_id":"siemens-hjxd63b300hl-circuit-breaker","title":"Siemens | HJXD63B300HL | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HJXD63B300HL is a 3-pole circuit breaker designed to deliver dependable protection in three‑phase electrical installations. Built by Siemens for durability and consistent performance, this unit is ideal for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cp\u003eKey highlights of the Siemens HJXD63B300HL include:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3‑Pole design\u003c\/strong\u003e provides protection across all three phases, simplifying panel upgrades and ensuring balanced protection in three‑phase systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact part reference\u003c\/strong\u003e—HJXD63B300HL—ensures straightforward compatibility checks and reliable cross‑referencing with existing equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suitable for maintenance, retrofit, and replacement needs where matching specs are required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility guidance\u003c\/strong\u003e Note: confirm fit and ratings before ordering; the part number is the best reference for compatibility.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted Siemens engineering\u003c\/strong\u003e with a focus on dependable performance and long‑term service life.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider this breaker? Electrical technicians, maintenance teams, and facilities managers who operate three‑phase electrical panels and need a reliable replacement that aligns precisely with their Siemens inventory.\u003c\/p\u003e \u003cp\u003eUse cases include upgrading older panels to a standard Siemens protection device, replacing a worn or failed 3‑pole circuit breaker, and performing routine maintenance where exact specifications must be maintained to minimize downtime.\u003c\/p\u003e \u003cp\u003eHow this compares to generic options: Unlike generic, non‑brand equivalents, the Siemens HJXD63B300HL is built to align with Siemens panel requirements and documentation, reducing the risk of fitment issues and ensuring consistent protective performance when the exact part number is used as the compatibility reference.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427075707042,"sku":"HJXD63B300HL","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hjxd63b300hl-circuit-breaker-3-pole-155.webp?v=1789668756","url":"https:\/\/www.ampstate.com\/products\/siemens-hjxd63b300hl-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}