{"product_id":"siemens-nxd63b120-circuit-breaker","title":"Siemens | NXD63B120 | Circuit Breaker | 3-Pole | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens NXD63B120, a 3-pole bolt-on circuit breaker built for dependable protection in demanding electrical installations. This unit is purpose‑built for maintenance, retrofit, and replacement projects where exact specifications matter, helping you keep power systems safe and compliant without unnecessary downtime.\u003c\/p\u003e \u003ch3\u003eKey advantages you’ll notice\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3‑Pole bolt-on design\u003c\/strong\u003e for secure, straightforward mounting in compatible panels and distribution setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number NXD63B120\u003c\/strong\u003e as the primary reference for compatibility and cross-checking against your panel labeling.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree‑phase protection\u003c\/strong\u003e ideal for systems that require coordinated phase interrupt protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged Siemens engineering\u003c\/strong\u003e crafted to perform reliably in daily operation and during fault conditions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this model matters\u003c\/h3\u003e\n\u003cp\u003eIn maintenance, retrofit, or replacement scenarios, the NXD63B120 ensures you’re using a breaker that aligns with your existing specifications. Its bolt-on mounting reduces installation time and helps secure a solid electrical connection, while its Siemens lineage supports consistent performance and predictable trip characteristics. By prioritizing exact compatibility through the part number, you minimize guesswork and the risk of mismatched components.\u003c\/p\u003e \u003ch3\u003eBest use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePlanned maintenance swaps during panel service or upgrades\u003c\/li\u003e \u003cli\u003eRetrofits that require upgrading to a 3‑pole, bolt-on solution\u003c\/li\u003e \u003cli\u003eReplacement after inspections or protective device aging in three‑phase systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFit, ratings, and compatibility\u003c\/h3\u003e\n\u003cp\u003eAlways confirm fit and ratings before ordering. The NXD63B120 is presented as the best reference for compatibility, so compare this part number to your panel’s labeling and documentation to ensure correct amperage, voltage, and mounting fit. If your setup specifies a 3‑pole bolt‑on protective device, this Siemens breaker is designed to align with those requirements and support reliable, uninterrupted operation.\u003c\/p\u003e \u003cp\u003eChoose the Siemens NXD63B120 for a purpose‑driven, service‑level compatible circuit breaker that supports maintenance, retrofit, and replacement workflows with clarity and confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425523421346,"sku":"NXD63B120","price":11076.0,"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-nxd63b120-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}