{"product_id":"siemens-jxd23s400al-circuit-breaker","title":"Siemens | JXD23S400AL | Circuit Breaker | 400A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens JXD23S400AL circuit breaker—a high-capacity, 3-pole protection device designed for demanding electrical systems. Rated for 400A at 240V, it provides reliable overcurrent protection for main feeders and service disconnects in commercial and industrial panel environments. This unit is intended for maintenance, retrofit, and replacement projects where exact specifications matter and only a like-for-like part will do.\u003c\/p\u003e \u003ch2\u003eKey specifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 400A\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\u003ePart reference\u003c\/strong\u003e: JXD23S400AL\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this Siemens circuit breaker stands out\u003c\/h2\u003e\n\u003cp\u003eDesigned to integrate seamlessly with Siemens panels and enclosures, the JXD23S400AL minimizes compatibility risk and simplifies replacement workflows. Its three-pole configuration ensures balanced protection across all phases in 240V systems, promoting stable operation of large-load circuits without compromising safety. Built for scenarios where high current protection is non-negotiable, it supports reliable interruption during overloads and short circuits, helping safeguard both equipment and personnel.\u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed main or feeder breaker in commercial or light industrial panels that require 400A, 3-pole, 240V protection.\u003c\/li\u003e \u003cli\u003eRetrofit projects where exact Siemens specifications are essential to maintain panel coordination and warranty coverage.\u003c\/li\u003e \u003cli\u003eNew installations in facilities with substantial electrical loads that demand robust, code-compliant protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation and compatibility guidance\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBest reference for compatibility:\u003c\/strong\u003e the part number \u003cstrong\u003eJXD23S400AL\u003c\/strong\u003e. Before ordering, confirm fitment with your specific panel make, model, and voltage requirements to avoid misfits. This part is intended for professional installation to ensure proper torque, alignment, and protective coordination.\u003c\/p\u003e \u003ch2\u003eWhat problems this solves\u003c\/h2\u003e\n\u003cp\u003eBy delivering a like-for-like replacement with exact ratings, this Siemens circuit breaker reduces downtime and eliminates guesswork during maintenance or retrofits. It ensures you preserve the intended protection scheme of your existing system, supporting safer, more reliable operation of high-current circuits.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427480719522,"sku":"JXD23S400AL","price":16925.0,"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-jxd23s400al-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}