{"product_id":"siemens-ed63b090nav-circuit-breaker","title":"Siemens | ED63B090NAV | Circuit Breaker | 90A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens \u003cstrong\u003eED63B090NAV\u003c\/strong\u003e circuit breaker — a trusted 3‑pole, 90A protective device built for demanding 600V systems. Designed for maintenance, retrofit, and replacement, this unit ensures reliable protection for 3‑phase equipment while preserving the integrity of your Siemens panel infrastructure.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e: ED63B090NAV\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 90A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntended use\u003c\/strong\u003e: Maintenance, retrofit, and replacement projects where exact specs are required\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility note\u003c\/strong\u003e: The part number is your best reference for matching compatibility; confirm fit and ratings before ordering\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe ED63B090NAV is purpose-built for Siemens systems, delivering precise current interruption to protect both personnel and equipment in three‑phase installations. Its 90A capacity makes it ideal for mid‑sized commercial or light industrial circuits, such as HVAC drives, motors, and distribution feeders that demand dependable protection without unnecessary trips.\u003c\/p\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact-match compatibility\u003c\/strong\u003e: Rely on the ED63B090NAV as the definitive reference when upgrading, retrofitting, or replacing breakers in Siemens panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear electrical alignment\u003c\/strong\u003e: 3‑pole design supports balanced 3‑phase loads and coordinated protection across all phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRobust protection\u003c\/strong\u003e: Designed to interrupt fault currents effectively at 600V, helping to minimize damage to connected equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing worn or damaged breakers in established Siemens electrical panels\u003c\/li\u003e \u003cli\u003eRetrofits where a 3‑pole, 90A, 600V protection device is required to support updated 3‑phase equipment\u003c\/li\u003e \u003cli\u003eMaintenance upgrades in commercial spaces, manufacturing lines, data centers, and other facilities with 3‑phase loads\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for a smooth install: verify that your panel accepts ED63B090NAV and that the system voltage and histogram of your load align with the 600V rating. If you’re replacing an older unit, keep a note of the existing trip characteristics and ensure they align with the 90A protection profile. For best results, have a qualified electrical professional confirm fit, ratings, and safe installation procedures before proceeding.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427489239202,"sku":"ED63B090NAV","price":7174.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ed63b090nav-circuit-breaker-90a-3-pole-600v-567.webp?v=1789730552","url":"https:\/\/www.ampstate.com\/products\/siemens-ed63b090nav-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}