{"product_id":"siemens-lnx3b120-circuit-breaker","title":"Siemens | LNX3B120 | Circuit Breaker | 1200A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens LNX3B120 is a robust 3-pole circuit breaker rated for 1200A and 600V, engineered for industrial electrical distribution and protection. Whether you're conducting maintenance, performing a retrofit, or replacing an aging breaker, this unit delivers reliable performance with a precise spec match to your system.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 1200A\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\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens LNX3B120 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrecise compatibility for systems requiring a 3-pole, 600V protection device with a 1200A rating, ensuring coordinated protection and predictable tripping behavior.\u003c\/li\u003e \u003cli\u003eClear identification with part number LNX3B120—your best reference when verifying fit, ratings, and cross-compatibility during maintenance or retrofits.\u003c\/li\u003e \u003cli\u003eBuilt for demanding environments where reliability and service continuity are critical, reducing unscheduled downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eIndustrial plants, manufacturing lines, and large-scale electrical distributions that run high-current 3-phase loads benefit from this circuit breaker. It’s well-suited for panel upgrades, service replacements in legacy Siemens installations, and retrofits where the exact spec match is required to maintain code compliance and protection standards.\u003c\/p\u003e \u003ch3\u003ePractical guidelines for selection and installation\u003c\/h3\u003e\n\u003col\u003e \u003cli\u003eVerify that your panel or switchgear is rated for 1200A and 600V, and supports a 3-pole breaker of this size.\u003c\/li\u003e \u003cli\u003eUse the part number LNX3B120 as the primary reference to confirm compatibility before ordering.\u003c\/li\u003e \u003cli\u003eEngage a licensed electrician to perform installation, adhering to local electrical codes and safety practices.\u003c\/li\u003e\n\u003c\/ol\u003e \u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Always confirm fit, rating, and any panel-specific requirements prior to purchase. This ensures seamless replacement, reduces downtime, and maintains system protection as intended.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426756350114,"sku":"LNX3B120","price":52188.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/siemens-lnx3b120-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}