{"product_id":"siemens-lgg3b040l-circuit-breaker","title":"Siemens | LGG3B040L | Circuit Breaker | 3-Pole | 600V | Feed-Through","description":"\u003cdiv\u003e\n\u003ch2\u003eSiemens LGG3B040L — 3-Pole 600V Feed-Through Circuit Breaker\u003c\/h2\u003e\n\u003cp\u003eDesigned for reliability in industrial panels, the Siemens LGG3B040L is a 3-pole circuit breaker with a 600V rating and feed-through terminals. It's built for maintenance, retrofit, and replacement projects where exact compatibility matters, helping you protect distribution circuits while simplifying downstream wiring.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection\u003c\/strong\u003e for balanced safeguarding of 3-phase loads and downstream circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V classification\u003c\/strong\u003e aligned with common industrial power distribution requirements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFeed-through design\u003c\/strong\u003e enables straightforward wiring to downstream devices, reducing terminal clutter and simplifying future expansions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart-number fidelity\u003c\/strong\u003e LGG3B040L is the definitive reference for compatibility; verify fit and ratings before ordering.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, and replacement readiness\u003c\/strong\u003e ideal for upgrading aging panels, adding protection in new layouts, or swapping worn breakers without overhauling the panel.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow this breaker solves real-world problems\u003c\/h3\u003e\n\u003cp\u003eIn busy facilities, downtime costs time and money. The LGG3B040L helps you keep systems protected with a reliable disconnect that matches existing Siemens gear. The feed-through configuration streamlines installations by providing clean, direct connections to downstream circuits, which is especially valuable during panel retrofits or when expanding three-phase distributions.\u003c\/p\u003e \u003ch3\u003eUse cases and ideal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance windows where a secure, compatible replacement is needed without recalibrating an entire panel.\u003c\/li\u003e \u003cli\u003eRetrofits upgrading older switchgear to modern Siemens protection with a 3-pole, 600V footprint.\u003c\/li\u003e \u003cli\u003eNew installations in facilities that require a dedicated three-phase breaker with feed-through capability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecification snapshot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConnection:\u003c\/strong\u003e Feed-Through terminals\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart reference:\u003c\/strong\u003e LGG3B040L\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425682837666,"sku":"LGG3B040L","price":813.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-lgg3b040l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}