{"product_id":"siemens-qj23b09000s01-circuit-breaker","title":"Siemens | QJ23B09000S01 | Circuit Breaker | 90A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003eSiemens QJ23B09000S01 is a 90 Amp, 3-pole, 240 Volt bolt-on circuit breaker designed for dependable protection in industrial and commercial panels. When replacement, retrofit, or maintenance is on the agenda, this part offers a precise match to the original specifications, with the part number serving as your best compatibility reference. \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 90 A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 240 V\u003c\/li\u003e \u003cli\u003eMounting: Bolt-On\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes this breaker unique\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBolt-on mounting provides a secure, vibration-resistant connection in compatible Siemens panels, making field installations straightforward and reliable.\u003c\/li\u003e \u003cli\u003ePart number QJ23B09000S01 serves as the clearest reference for compatibility, helping you verify exact fit during replacements or retrofits.\u003c\/li\u003e \u003cli\u003eDesigned with maintenance, retrofit, and replacement projects in mind — a practical choice when you’re upgrading or restoring critical panel protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a worn or failed 3-pole breaker in 240 V three-phase distribution systems.\u003c\/li\u003e \u003cli\u003eRetrofit projects in industrial control panels, machine tool enclosures, or HVAC equipment where Siemens compatibility is essential.\u003c\/li\u003e \u003cli\u003eMaintenance inventories for facilities with Siemens panel ecosystems, ensuring quick, accurate part swaps to minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this Siemens breaker for your project\u003c\/h3\u003e\n\u003cp\u003eChoosing the Siemens QJ23B09000S01 means aligning with a trusted, engineering-backed solution purpose-built for reliability in demanding environments. The 90 A capacity supports robust protection for three-phase circuits, while the bolt-on design improves installation stability and serviceability. This part helps you maintain consistent electrical protection without guesswork—exactly what’s needed for predictable performance and safer electrical systems.\u003c\/p\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering—the part number is the best reference for compatibility with your panel.\u003c\/li\u003e \u003cli\u003eEnsure you’re mounting in a compatible Siemens enclosure designed for bolt-on breakers, and use the appropriate mounting hardware as specified by your panel’s documentation.\u003c\/li\u003e \u003cli\u003eKeep a labeled spare on hand for planned maintenance or urgent replacements to reduce panel downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427472855202,"sku":"QJ23B09000S01","price":2637.0,"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-qj23b09000s01-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}