{"product_id":"federal-pioneer-nb3p40-40a-240v-3-pole-bolt-on-circuit-breaker","title":"Federal Pioneer NB3P40 - 40 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Federal Pioneer NB3P40 — a 40A, 240V, 3-pole bolt-on molded case circuit breaker designed to protect your branch circuits with precision. Built for dependable overcurrent and short-circuit protection, it slots into panelboards and loadcenters with ease, making it a durable choice for residential, commercial, and light industrial applications.\u003c\/p\u003e \u003ch2\u003eWhy the NB3P40 stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant bus connection, keeping your protective circuit solid and reliable even in environments with movement or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection across a wide range of load conditions, reducing nuisance trips and ensuring consistent performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole, 240V operation\u003c\/strong\u003e is ideal for three-phase distribution of loads, supporting balanced protection for multiple circuits from a single device.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatible with matching OEM load centers and panelboards\u003c\/strong\u003e ensures seamless integration and straightforward replacement in established systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on molded case design\u003c\/strong\u003e combines compact form with robust electrical isolation, simplifying installation and serviceability within panel assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThree-pole protection for three-phase feeders in small commercial or light industrial installations.\u003c\/li\u003e \u003cli\u003eBranch circuit protection within residential or commercial load centers where robust, repeatable trip performance is required.\u003c\/li\u003e \u003cli\u003eRetrofit and replacement scenarios in existing panelboards that require a compatible 40A, 240V, bolt-on solution.\u003c\/li\u003e \u003cli\u003eAny application needing reliable overcurrent and short-circuit protection for distributed electrical circuits in tight spaces.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Federal Pioneer\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e NB3P40\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 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Bolt-on\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 \u003cp\u003eIdeal for professionals stocking panel upgrades or replacements, the NB3P40 from AmpState delivers a reliable, code-aligned solution that keeps critical circuits protected without sacrificing ease of installation or compatibility. Add it to your panelboard today and experience consistent protection across all your three-phase loads.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349675036834,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fpe_breaker_and_panel_27a6c7ac-a00e-481e-982c-93bab4019bf1.png?v=1764153568","url":"https:\/\/www.ampstate.com\/products\/federal-pioneer-nb3p40-40a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}