{"product_id":"siemens-jl2b090-circuit-breaker","title":"Siemens | JL2B090 | Circuit Breaker | 2-Pole","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens JL2B090\u003c\/strong\u003e is a 2-pole circuit breaker engineered for maintenance, retrofit, and replacement projects where exact compatibility matters. When you need to protect two hot lines in a Siemens panel, this JL2B090 delivers dependable interruption and straightforward identification through its part-numbered reference.\u003c\/p\u003e \u003ch3\u003eKey considerations for field use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e2-Pole configuration\u003c\/strong\u003e provides protection for two conductors and is commonly used for 240V circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest reference for compatibility\u003c\/strong\u003e—the part number JL2B090 is your go-to identifier to match Siemens panels and accessories.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, and replacement ready\u003c\/strong\u003e—designed specifically for upgrades and service work in existing installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFit and ratings must be verified\u003c\/strong\u003e—before ordering, confirm the breaker fits your panel and that the rating matches your circuit requirements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 2-pole breaker stands out\u003c\/h3\u003e\n\u003cp\u003eUnlike generic substitutes, the JL2B090 is a purpose-built Siemens component with a known part number, reducing the guesswork during panel maintenance. This ensures you’re not over- or under-protecting circuits, and you retain consistent trip characteristics with your existing system.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePanel maintenance: replace aging or worn breakers without mismatching specs\u003c\/li\u003e \u003cli\u003eRetrofit projects: upgrade panels to current protection standards while preserving electrical architecture\u003c\/li\u003e \u003cli\u003eEmergency replacements: quick swap-out when a 2-pole breaker fails or trips frequently\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical buying tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways verify fit by cross-checking the exact part number JL2B090 against your panel's acceptable breaker list.\u003c\/li\u003e \u003cli\u003eCheck system voltage and amperage requirements to ensure the JL2B090’s ratings align with your circuit.\u003c\/li\u003e \u003cli\u003eKeep the part number handy for future service or stock planning, as it is the most reliable compatibility reference.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith Siemens’ legacy of reliability and precise engineering, the JL2B090 2-Pole Circuit Breaker is a dependable choice for professionals and DIY enthusiasts working on compatible Siemens installations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427517550754,"sku":"JL2B090","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/siemens-jl2b090-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}