{"product_id":"siemens-ngg2b040l-40a-600v-2-pole-circuit-breaker","title":"Siemens NGG2B040L - 40 A, 600 V, 2-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for dependable protection in modern electrical distributions, the Siemens NGG2B040L is a 40A, 600V, 2-pole molded case circuit breaker designed to deliver precise, reliable branch circuit protection in panelboards and load centers. This device is built to pair seamlessly with Siemens OEM panel systems, ensuring a cohesive, code-compliant protection scheme from the first install.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e maximizes panel space, letting you fit more circuits in tight panel allocations without sacrificing protection or performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection across a range of loads and temperatures—delivering reliable overload protection with fast magnetic response for short-circuit events.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e is built in: designed to work with matching Siemens load centers and panelboards for coordinated protection, easier replacements, and streamlined maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatility for multiple environments\u003c\/strong\u003e — ideal for residential, commercial, and light industrial applications that demand dependable, code-compliant overcurrent protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: NGG2B040L\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 40A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 2\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems this breaker solves\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrevents electrical fires and equipment damage by interrupting faults quickly and reliably.\u003c\/li\u003e \u003cli\u003eMinimizes nuisance trips through precise thermal-magnetic coordination, keeping circuits active when loads fluctuate modestly.\u003c\/li\u003e \u003cli\u003eEliminates guesswork during replacement by guaranteeing a proper fit within Siemens panel ecosystems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal for\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectricians and facility managers configuring new panelboards or upgrading existing systems.\u003c\/li\u003e \u003cli\u003eResidential electrical panels needing compact yet robust 2-pole protection.\u003c\/li\u003e \u003cli\u003eCommercial and light industrial installations where space efficiency and dependable short-circuit protection are priorities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and practical tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUse as the main or branch circuit protection in Siemens-approved panelboards and load centers to ensure proper trip coordination and electrical safety.\u003c\/li\u003e \u003cli\u003ePair with compatible conductors and adhere to local codes for safe installation in both new builds and retrofit projects.\u003c\/li\u003e \u003cli\u003eDuring installation, verify the panel is rated for 600V service and follow standard torque specifications for secure terminal connections.\u003c\/li\u003e \u003cli\u003eKeep a spare NGG2B040L on hand for quick replacements in service panels, reducing downtime and service interruptions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Siemens NGG2B040L, you invest in a rugged, space-efficient, and precisely coordinated protection solution that fits cleanly into your Siemens panel ecosystem. It’s the smart choice when you need dependable 40-amp, 2-pole protection for a wide range of panelboard and load center configurations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355150536866,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ngg2b040l-40-a-600-v-2-pole-circuit-breaker-ampstate-166.webp?v=1788734971","url":"https:\/\/www.ampstate.com\/products\/siemens-ngg2b040l-40a-600v-2-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}