{"product_id":"siemens-lgb3k100b-circuit-breaker","title":"Siemens | LGB3K100B | Circuit Breaker | 100A | 3-Pole | 600V","description":"\u003cdiv\u003eSiemens LGB3K100B stands as a purpose-built protection solution for demanding three-phase electrical systems. With a 100A rating and a robust 3-pole design, this circuit breaker delivers reliable overcurrent protection for feeders and motor circuits in commercial and industrial environments that run at up to 600V. Built to fit into compatible Siemens panels, it’s a practical choice for maintenance, retrofit, and replacement projects where exact specs matter. \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LGB3K100B\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest use:\u003c\/strong\u003e maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e\n\u003c\/ul\u003e Why this model stands out\n\u003cul\u003e \u003cli\u003e\u003cstrongprecise compatibility:\u003e The LGB3K100B is designed to align with Siemens control systems and panels. Since the part number is the best reference for compatibility, it streamlines sourcing and installation in existing Siemens infrastructures.\u003c\/strongprecise\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongefficient three-phase protection:\u003e A three-pole configuration protects all conductors in a 3-phase circuit, helping prevent uneven loading and potential equipment damage across feeders and motors.\u003c\/strongefficient\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongclear suitability for upgrades:\u003e When upgrading older installations or replacing worn components, this breaker provides a straightforward, drop-in replacement path for compatible Siemens panels.\u003c\/strongclear\u003e\u003c\/li\u003e\n\u003c\/ul\u003e Ideal use scenarios\n\u003cp\u003eThis model excels in environments where reliable distribution and motor protection are critical. Use it for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eIndustrial and manufacturing panel upgrades that require durable 3-phase protection at 600V\u003c\/li\u003e \u003cli\u003eMaintenance on aging Siemens distribution or switchgear where a precise 100A, 3-pole unit is needed\u003c\/li\u003e \u003cli\u003eReplacement in retrofit projects to restore protective coordination without changing the overall panel architecture\u003c\/li\u003e\n\u003c\/ul\u003e Practical guidance for deployment\n\u003cp\u003eBefore ordering, verify that the fit and ratings match your installation. The part number LGB3K100B is the best reference for compatibility, ensuring you won’t encounter mismatches in trip characteristics or mounting footprint. When installing, follow standard safety practices and the manufacturer’s installation instructions to achieve reliable protection and optimal performance.\u003c\/p\u003e What you can expect after installation\n\u003cp\u003eWith the Siemens LGB3K100B in place, you gain dependable overcurrent protection for your 3-phase circuits, helping to safeguard equipment, minimize unplanned downtime, and maintain safer electrical distribution. It’s a targeted, exact-fit solution designed for professionals who value compatibility, clarity, and long-term resilience in their electrical infrastructure.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426876936354,"sku":"LGB3K100B","price":4654.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-lgb3k100b-circuit-breaker-100a-3-pole-600v-154.webp?v=1789634887","url":"https:\/\/www.ampstate.com\/products\/siemens-lgb3k100b-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}