{"product_id":"siemens-lgb3k090b-circuit-breaker","title":"Siemens | LGB3K090B | Circuit Breaker | 90A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens LGB3K090B\u003c\/strong\u003e Circuit Breaker is built for demanding industrial environments, delivering reliable protection where it matters most. This 90 A, 3-pole unit operates up to 600 V and uses a bolt-on mounting for a solid, vibration-resistant installation in control panels, switchgear, and targeting high-demand applications.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90 A\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 600 V\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 LGB3K090B\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat makes this breaker stand out\u003c\/h2\u003e\n\u003cp\u003eThis Siemens model is purpose-built for maintenance, retrofit, and replacement projects that require exact specifications. The \u003cstrong\u003eLGB3K090B\u003c\/strong\u003e design ensures a precise fit with compatible panels, minimizing downtime and awkward substitutions. The bolt-on construction provides a robust mechanical connection ideal for environments with vibration or movement, improving long-term reliability. With a true 3-pole arrangement, it guarantees simultaneous disconnection of all live conductors, enhancing operator safety during trips and servicing.\u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and upgrades of industrial electrical panels that require a 90 A, 3-pole, 600 V protection device.\u003c\/li\u003e \u003cli\u003eRetrofits where the existing equipment aligns with the LGB3K090B specifications, ensuring seamless compatibility.\u003c\/li\u003e \u003cli\u003eReplacement of worn or failed breakers in manufacturing lines, large motors, conveyors, and processing equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eHow to ensure the right fit\u003c\/h2\u003e\n\u003cp\u003eBefore ordering, confirm that the \u003cstrong\u003eLGB3K090B\u003c\/strong\u003e matches your panel’s ratings and footprint. The part number is the most reliable reference for compatibility, so cross-check against your service documentation and current breaker labeling to avoid mismatches.\u003c\/p\u003e \u003ch2\u003eInstallation tips and reliability tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eAdhere to standard electrical safety practices and lockout\/tagout procedures during replacement.\u003c\/li\u003e \u003cli\u003eSecure bolts in accordance with manufacturer guidelines to preserve a solid connection in vibration-prone environments.\u003c\/li\u003e \u003cli\u003eKeep a spare \u003cstrong\u003eLGB3K090B\u003c\/strong\u003e on hand for planned maintenance or emergency replacements, reducing downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426651426978,"sku":"LGB3K090B","price":4654.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-lgb3k090b-circuit-breaker-90a-3-pole-600v-bolt-492.webp?v=1789601008","url":"https:\/\/www.ampstate.com\/products\/siemens-lgb3k090b-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}