{"product_id":"eaton-nb3800p-800a-600v-3-pole-circuit-breaker","title":"Eaton NB3800P - 800 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton NB3800P is a high-capacity molded case circuit breaker designed to protect branch circuits and power distribution equipment with precision and reliability. Rated at 800 A and 600 V, this 3-pole device is built to stand up to demanding residential, commercial, and light industrial environments, providing dependable overcurrent and short-circuit protection in panelboards and loadcenters.\u003c\/p\u003e \u003ch2\u003eKey features that matter in real-world setups\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e maximizes panel space without compromising protection, making it easier to fit high-current circuits into compact panelboards and loadcenters.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection performance by responding to both overload and instantaneous short-circuit currents, helping prevent nuisance trips and equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible with matching loadcenters and panelboards\u003c\/strong\u003e to ensure straightforward replacements and seamless system integration within Eaton ecosystems and compatible panel lines.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration for 3-phase protection\u003c\/strong\u003e ideal for commercial and light-industrial power distribution, while supporting residential applications that require robust three-phase protection where applicable.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current capability\u003c\/strong\u003e 800 A rating supports substantial branch circuits and feeders, reducing the need for multiple breakers in some installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy the NB3800P stands out\u003c\/h2\u003e\n\u003cp\u003eUnlike generic substitutes, the NB3800P is purpose-built for Eaton panelboard ecosystems, delivering predictable trip performance and tight integration with OEM loadcenters. This makes it an excellent choice for projects where reliability, ease of maintenance, and compatibility matter just as much as amperage and voltage. The 600 V rating matches a wide range of commercial and industrial equipment, giving you confidence that the protection device can keep up with today’s demanding electrical loads.\u003c\/p\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e NB3800P\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 800 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection in panelboards and loadcenters\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal uses and practical guidance\u003c\/h2\u003e\n\u003cp\u003eDesigned for environments where high-current protection is essential, the NB3800P is well-suited for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUtility and commercial panelboards that distribute power to large equipment, HVAC systems, and lighting networks\u003c\/li\u003e \u003cli\u003eLight industrial panels where reliable 3-phase protection is required\u003c\/li\u003e \u003cli\u003eResidential-scale installations in multi-panel configurations or environments utilizing Eaton loadcenter families\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstallation and maintenance tips to maximize value:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePair the NB3800P with compatible Eaton panelboards for optimal fit, alignment, and trip coordination.\u003c\/li\u003e \u003cli\u003eCheck panel labeling and ensure the 3-pole configuration matches the intended 3-phase circuit or distribution scheme.\u003c\/li\u003e \u003cli\u003eVerify termination torque and conductor sizing per manufacturer guidelines to maintain reliable protection and minimize contact wear over time.\u003c\/li\u003e \u003cli\u003eUse as part of a broader protection strategy that includes properly rated fusing, coordination studies, and periodic inspection of breakers and bus connections.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor professionals seeking robust, space-efficient, and OEM-aligned protection, the Eaton NB3800P delivers trusted performance for demanding panels and distribution systems. It’s the dependable choice when you need a 800 A, 600 V, 3-pole molded case circuit breaker that integrates smoothly with existing Eaton equipment and streamlines maintenance across residential, commercial, and light industrial projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349639254178,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-nb3800p-800-a-600-v-3-pole-circuit-breaker-ampstate-breakers-473.webp?v=1788699808","url":"https:\/\/www.ampstate.com\/products\/eaton-nb3800p-800a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}