{"product_id":"westinghouse-re1090l-circuit-breaker","title":"Westinghouse | RE1090L | Circuit Breaker | 90A | 1-Pole | 277V","description":"\u003cdiv\u003e\n\u003cp\u003ePower up reliable protection with the Westinghouse RE1090L Circuit Breaker. This 90A, 1-Pole device is engineered to safeguard 277V electrical circuits, making it a dependable choice for commercial and industrial panels where precise specs matter.\u003c\/p\u003e \u003cp\u003eDesigned for maintenance, retrofit, and replacement projects, the RE1090L ensures you can restore circuit protection without compromising panel compatibility. Use this breaker when your upgrade or service requires an exact Westinghouse part number reference.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 277V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e RE1090L\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant compatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number RE1090L is the best reference to ensure a correct match with your panel and existing protections.\u003c\/p\u003e \u003ch3\u003eWhy this Westinghouse RE1090L stands out\u003c\/h3\u003e\n\u003cp\u003eUnlike generic substitutes, this breaker is purpose-built for Westinghouse systems, providing reliable single-pole protection for 277V circuits. Its exact amperage and voltage ratings help prevent nuisance trips and ensure consistent performance in daily operations.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance in commercial spaces that rely on 277V lighting or equipment\u003c\/li\u003e \u003cli\u003eRetrofit projects where existing panels require a 90A, 1-Pole, 277V breaker\u003c\/li\u003e \u003cli\u003eReplacement after a failure in a Westinghouse-compatible panel with matching spec\u003c\/li\u003e \u003cli\u003eSpare part for service technicians managing multiple locations with Westinghouse panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and safety tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower down the circuit and follow proper lockout\/tagout procedures before replacement\u003c\/li\u003e \u003cli\u003eVerify panel labeling and catalog references to confirm 1-Pole, 90A, 277V compatibility\u003c\/li\u003e \u003cli\u003eHandle with care to avoid damage to the breaker mechanism and terminals\u003c\/li\u003e \u003cli\u003eIf in doubt, consult your panel's documentation to ensure the RE1090L is listed for use in your specific model\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427170472098,"sku":"RE1090L","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/westinghouse-re1090l-circuit-breaker-90a-1-pole-277v-411.webp?v=1789676746","url":"https:\/\/www.ampstate.com\/products\/westinghouse-re1090l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}