{"product_id":"siemens-ngg3b040l-40a-600v-3-pole-circuit-breaker","title":"Siemens NGG3B040L - 40 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens NGG3B040L\u003c\/strong\u003e is a 40A, 600V, 3-pole molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Its compact design frees up valuable panel space, while delivering precise protection for a wide range of electrical installations.\u003c\/p\u003e \u003ch3\u003eWhat sets this breaker apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e maximizes panel efficiency by fitting neatly into tight spaces without sacrificing performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by combining a thermal element for gradual overloads with a magnetic element for fast short-circuit response.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e designed to pair with matching Siemens load centers and panelboards for seamless installation and reliable operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatility across environments\u003c\/strong\u003e ideal for \u003cem\u003eresidential, commercial, and light industrial\u003c\/em\u003e applications—where dependable protection matters most.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this protects your system\u003c\/h3\u003e\n\u003cp\u003eWith a 40A rating at up to 600V across three poles, the NGG3B040L guards multi-wire branch circuits against overcurrent and short circuits. The dual-action trip mechanism reduces nuisance events while ensuring rapid interruption during faults, helping shield conductors, devices, and wiring from damage.\u003c\/p\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing breakers in Siemens OEM panelboards to restore precise protection and panel integrity.\u003c\/li\u003e \u003cli\u003eInstalling in new panel projects where space efficiency and reliable trip performance are priorities.\u003c\/li\u003e \u003cli\u003eApplications spanning residential subpanels, small commercial distributions, and light industrial circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e NGG3B040L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 40A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355151552674,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ngg3b040l-40-a-600-v-3-pole-circuit-breaker-ampstate-732.webp?v=1788735140","url":"https:\/\/www.ampstate.com\/products\/siemens-ngg3b040l-40a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}