{"product_id":"siemens-kmb2b800","title":"Siemens KMB2B800 800A 2-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens KMB2B800 800A 2-Pole 600 V Circuit Breaker — a purpose-built protection device for demanding electrical systems. With Part Number KMB2B800, this breaker is engineered to deliver reliable, decisive protection in Siemens-compatible panel environments, making it an ideal choice for commercial and light industrial applications that require robust current handling and precise isolation.\u003c\/p\u003e \u003ch2\u003eKey specifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 800 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e KMB2B800\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat makes this breaker a smart fit\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\u003cstronghigh-amperage protection:\u003e The 800 A rating is designed for heavy feeders and main-distribution pathways, helping prevent overloads in large facilities.\u003c\/stronghigh-amperage\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTwo-pole architecture:\u003c\/strong\u003e With two hot-line contacts controlled by a single handle, both conductors trip together, ensuring a safe, simultaneous disconnection during fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V suitability:\u003c\/strong\u003e Built for standard industrial\/commercial power distribution, aligning with common electrical system voltages found in many facilities.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSiemens compatibility:\u003c\/strong\u003e Specifically chosen for seamless integration with Siemens panel boards and bus systems, providing predictable trip behavior and reliable performance over time.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMain disconnects in large commercial or light industrial panels where 800 A feeder protection is required.\u003c\/li\u003e \u003cli\u003eReplacement breaker in Siemens-enabled installations that demand a 2-pole, 600 V solution.\u003c\/li\u003e \u003cli\u003eUpgrading service capacity or adding protected feeders within an existing Siemens electrical distribution chain.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003e installation and compatibility guidance\u003c\/h2\u003e\n\u003cp\u003eEnsure your equipment lineup supports 600 V operation and is designed to accept KMB-series breakers. The Siemens KMB2B800 is part of the KMB family and is intended for use with compatible Siemens enclosures and bus systems. For safety and compliance, rely on a licensed electrician to perform the installation, verify panel rating, and complete proper commissioning after replacement or installation.\u003c\/p\u003e \u003ch2\u003eWhy choose the Siemens KMB2B800\u003c\/h2\u003e\n\u003cp\u003eWhen the goal is dependable protection for high-demand circuits, the Siemens KMB2B800 800A 2-Pole 600 V Circuit Breaker delivers clear advantages: precise dual-pole disconnection, compatibility with Siemens panel ecosystems, and a design that supports heavy-duty load management in commercial and industrial environments. It’s a targeted solution for professionals who demand consistency, reliable tripping, and straightforward integration within existing Siemens-powered distributions.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423259971746,"sku":"KMB2B800","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-kmb2b800","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}