{"product_id":"siemens-fj63b150-circuit-breaker","title":"Siemens | FJ63B150 | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eDiscover the Siemens FJ63B150 3-Pole Circuit Breaker—designed for dependable protection in three‑phase electrical systems. This unit is tailored for maintenance, retrofit, and replacement projects where exact compatibility matters, helping you keep equipment safe and downtime to a minimum.\u003c\/p\u003e \u003ch2\u003eKey compatibility and value\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3‑Pole design\u003c\/strong\u003e provides protection across three conductors, ideal for three‑phase configurations and multi‑branch panels.\u003c\/li\u003e \u003cli\u003eClear compatibility reference: \u003cem\u003epart number FJ63B150\u003c\/em\u003e is the strongest identifier for matching panels and ratings. Always verify fit and ratings in your panel’s catalog before purchasing.\u003c\/li\u003e \u003cli\u003eEngineered for \u003cstrong\u003emaintenance, retrofit, and replacement\u003c\/strong\u003e workflows, enabling quick swaps that align with your existing protection scheme and reduce service disruption.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eUse cases that matter\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed breaker in a Siemens panel during routine maintenance to restore three‑phase protection without reconfiguring wiring.\u003c\/li\u003e \u003cli\u003eRetrofits that upgrade or align protection on existing equipment while preserving panel design and electrical clearance.\u003c\/li\u003e \u003cli\u003eStocking a reliable spare for critical industrial or commercial installations that rely on consistent Siemens components.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical guidance for buying and installation\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, \u003cstrong\u003econfirm fit and ratings\u003c\/strong\u003e with your panel’s documentation. The FJ63B150 model is specifically referenced for compatibility checks.\u003c\/li\u003e \u003cli\u003eUse the part number as the primary reference when searching for replacements or upgrades to ensure you’re selecting the exact Siemens 3‑pole configuration you need.\u003c\/li\u003e \u003cli\u003eElectrical work should be performed by a qualified professional. Follow all safety protocols to ensure proper installation and system protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46424726503586,"sku":"FJ63B150","price":310.0,"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-fj63b150-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}