{"product_id":"siemens-nmx3b800l-circuit-breaker","title":"Siemens | NMX3B800L | Circuit Breaker | 800A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens NMX3B800L Circuit Breaker is a purpose-built, high-capacity protection device for demanding 600V three-phase systems. Designed for maintenance, retrofit, and replacement projects, this 800A, 3-pole breaker keeps your electrical distribution reliably safeguarded while fitting seamlessly into Siemens-compatible panel setups.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 800A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e NMX3B800L\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this Siemens breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eOptimized for three-phase, high-current distribution typical in industrial environments, providing reliable protection for feeders and motors on 600V networks.\u003c\/li\u003e \u003cli\u003eExact compatibility assurance for retrofit or replacement when you reference the NMX3B800L part number, ensuring proper interface with your existing panel, bus, and protective coordination.\u003c\/li\u003e \u003cli\u003eFast, predictable downtime during maintenance windows thanks to a design that aligns with Siemens standards and common industrial installation practices.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWho should consider it\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eElectrical contractors handling panel retrofits or replacements in 600V, three-phase systems.\u003c\/li\u003e \u003cli\u003eFacilities managers overseeing industrial facilities and manufacturing lines that require dependable, high-capacity protection.\u003c\/li\u003e \u003cli\u003eMaintenance teams seeking a genuine Siemens component for compatible panels and gear replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eBest practices for compatibility and installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways verify fit and ratings before ordering — the NMX3B800L part number is the most reliable reference for compatibility with your panel model and bus configuration.\u003c\/li\u003e \u003cli\u003eCross-check with your existing Siemens distribution equipment to ensure seamless integration and consistent protection characteristics.\u003c\/li\u003e \u003cli\u003eDocument the replacement with correct labeling and update maintenance records to reflect the 800A, 3-pole, 600V specification.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eSecure Siemens-grade protection for your 600V, three-phase system with the NMX3B800L — a trusted solution for robust, dependable electrical distribution.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426841809058,"sku":"NMX3B800L","price":25541.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_63e470e9-d360-4ffe-a511-3550084c618c.png?v=1766907689","url":"https:\/\/www.ampstate.com\/products\/siemens-nmx3b800l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}