{"product_id":"siemens-ed21b090l-circuit-breaker","title":"Siemens | ED21B090L | Circuit Breaker | 90A | 1-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens ED21B090L 90A 1-Pole Circuit Breaker delivers dependable overcurrent protection for a single live conductor in residential and light commercial panels. Built by Siemens, it’s designed for maintenance, retrofit, and replacement projects where precise specifications matter.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey details\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90A\u003cbr\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003cbr\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e ED21B090L\u003c\/p\u003e \u003ch3\u003eWhy this Siemens ED21B090L stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility reference\u003c\/strong\u003e: The ED21B090L part number is the best reference to ensure you’re matching the right breaker for your panel or retrofit scenario.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSingle-pole design\u003c\/strong\u003e: Ideal for single-phase circuits where dedicated overcurrent protection is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e90-amp protection\u003c\/strong\u003e: Suitable for circuits that demand higher current capacity while keeping wiring and devices protected from overloads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect suitability for maintenance and replacement\u003c\/strong\u003e: Specifically called out for situations where matching specs and reliable performance are essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and component replacement in existing Siemens panels that specify ED21B090L.\u003c\/li\u003e \u003cli\u003eRetrofit projects where upgrading to a 90A, single-pole breaker is part of the plan.\u003c\/li\u003e \u003cli\u003ePanel upgrades or reconfigurations that require exact amperage and form factor to maintain system protection coordination.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eImportant compatibility note\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, \u003cstrong\u003econfirm fit and ratings\u003c\/strong\u003e for your specific panel. The part number ED21B090L is the most reliable reference to ensure seamless compatibility and safe operation.\u003c\/p\u003e \u003cp\u003eChoose the Siemens ED21B090L when you need a trusted, purpose-built solution that delivers precise 90A single-pole protection, backed by Siemens engineering and a design that’s optimized for reliable performance in compatible panels.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427489829026,"sku":"ED21B090L","price":418.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ed21b090l-circuit-breaker-90a-1-pole-483.webp?v=1789730688","url":"https:\/\/www.ampstate.com\/products\/siemens-ed21b090l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}