{"product_id":"siemens-ee3b090-circuit-breaker","title":"Siemens | EE3B090 | Circuit Breaker | 90A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens EE3B090 Circuit Breaker delivers dependable, precise overcurrent protection for three‑phase electrical systems. Engineered for compatibility with Siemens panels, this 90A, 3‑pole unit operates at 240V and uses a bolt‑on mounting design for fast, secure installation in maintenance, retrofit, and replacement scenarios.\u003c\/p\u003e \u003cul\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:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt‑On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e EE3B090\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003eUnlike generic substitutes, the EE3B090 is designed to align with Siemens panel geometries and electrical characteristics, ensuring reliable trip performance and straightforward replacement in existing installations. The bolt‑on design minimizes installation steps while maintaining solid mechanical and electrical connection, helping you reduce downtime during service or upgrades.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a worn or failed 3‑pole 90A breaker in a Siemens panel during routine maintenance\u003c\/li\u003e \u003cli\u003eRetrofits where a 90A, 3‑phase protection is required on a 240V system\u003c\/li\u003e \u003cli\u003eNew or upgraded electrical distribution setups that mirror the Siemens 3‑pole, 240V configuration for consistent protection\u003c\/li\u003e \u003cli\u003eSpare\/stock for field service teams handling Siemens panel maintenance and replacements\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings to ensure proper operation in your panel. The part number EE3B090 serves as the best reference for compatibility, helping you avoid mismatches in mounting style or electrical characteristics. For safe, effective installation, follow standard electrical safety practices and have a qualified technician verify panel compatibility and labeling.\u003c\/p\u003e \u003ch3\u003ePractical considerations\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that your panel supports bolt‑on 3‑pole protection in the 90A, 240V range before purchasing\u003c\/li\u003e \u003cli\u003eKeep a spare EE3B090 on hand for proactive maintenance and faster service calls\u003c\/li\u003e \u003cli\u003eDocument the installation with the part number to simplify future replacements or retrofits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425611075746,"sku":"EE3B090","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ee3b090-circuit-breaker-90a-3-pole-240v-bolt-584.webp?v=1789429634","url":"https:\/\/www.ampstate.com\/products\/siemens-ee3b090-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}