{"product_id":"siemens-kmb3b800-circuit-breaker","title":"Siemens | KMB3B800 | Circuit Breaker | 800A | 3-Pole | 600V | 30kA | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens KMB3B800 circuit breaker — a robust, bolt-on, three‑pole protection device engineered for demanding electrical systems. With an 800 A capacity, 600 V rating, and a 30 kA interrupting capacity, this breaker is built to reliably guard feeders and distribution panels in busy industrial and commercial environments. Designed for maintenance, retrofit, and replacement projects, it fits where matching specs are essential and downtime needs to be minimized.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 800 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting rating:\u003c\/strong\u003e 30 kA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e KMB3B800\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat sets it apart\u003c\/h2\u003e\n\u003cp\u003eThis Siemens breaker is purposefully designed to align with existing Siemens protection schemes, ensuring consistent trip characteristics and coordination across your power distribution. The bolt-on mounting streamlines installation and replacement, reducing panel downtime while delivering dependable protection across all three phases. With a focus on real-world scalability, it supports high-current applications up to 800 A without compromising safety or performance.\u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and retrofit projects that require exact spec matching to minimize changes to the panel layout\u003c\/li\u003e \u003cli\u003eReplacement of aging protection devices in commercial and industrial panels\u003c\/li\u003e \u003cli\u003eFeeder protection for 600 V distribution circuits in data centers, manufacturing facilities, and large facilities\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eBuying guidance and compatibility\u003c\/h2\u003e\n\u003cp\u003eTo ensure a precise fit, verify that the KMB3B800’s ratings align with your panel and system requirements before purchasing. The part number is your strongest reference for compatibility, providing a clear, unambiguous match to Siemens’ bolt-on, 800 A, 3-pole, 600 V, 30 kA circuit breakers.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46424368382114,"sku":"KMB3B800","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-kmb3b800-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}