{"product_id":"square-d-egb16020-20a-277v-1-pole-bolt-on-circuit-breaker","title":"Square D EGB16020 - 20 A, 277 V, 1-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D EGB16020 from AmpState is a reliable 20A, 277V, 1-pole bolt-on molded case circuit breaker designed for dependable branch circuit protection in panelboards and load centers. Built to stand up to the demands of everyday electrical systems, it combines solid mounting with precise protection features to keep circuits safe and performing consistently.\u003c\/p\u003e \u003ch2\u003eKey features that matter in the real world\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eSecure bolt-on mounting\u003c\/b\u003e delivers a rigid, vibration-resistant connection to bus bars, reducing looseness and improving long-term reliability in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThermal-magnetic trip unit\u003c\/b\u003e provides stable, repeatable protection by addressing both overloads (thermal) and short circuits (magnetic) without nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003e1-pole, 20A, 277V\u003c\/b\u003e specification is ideal for individual branch circuits in commercial spaces with 277V lighting or equipment circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOEM-compatible design\u003c\/b\u003e works with matching Square D load centers and panelboards for seamless replacement or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVersatile applications\u003c\/b\u003e suited for residential, commercial, and light industrial installations where reliable overcurrent and short-circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this breaker fits real-world needs\u003c\/h2\u003e\n\u003cp\u003eWhen wiring panels in commercial buildings or upgrades in residential settings, you want a breaker that won’t back down under vibration or heat. The EGB16020’s bolt-on architecture ensures a solid bus connection, reducing the risk of loose contacts that can cause intermittent trips. The thermal-magnetic trip mechanism reacts quickly to faults, helping protect wiring, devices, and downstream circuits from damage.\u003c\/p\u003e \u003ch2\u003ePractical use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eUpgrading legacy panelboards to modern, reliable protection for 277V lighting and receptacle circuits.\u003c\/li\u003e \u003cli\u003eInstalling new 277V circuits in small to mid-size commercial spaces, such as offices, retail, or service areas.\u003c\/li\u003e \u003cli\u003eReplacing aging breakers in residential subpanels where a compact, single-pole solution is needed.\u003c\/li\u003e \u003cli\u003eRetrofitting panel centers in light industrial environments where robust mounting and dependable trip performance matter.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eManufacturer:\u003c\/b\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePart number:\u003c\/b\u003e EGB16020\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAmperage rating:\u003c\/b\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage rating:\u003c\/b\u003e 277V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eNumber of poles:\u003c\/b\u003e 1\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMounting style:\u003c\/b\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D EGB16020 for a dependable, OEM-compatible solution that delivers consistent protection and straightforward integration into panelboards and load centers. It’s an intelligent choice for installers prioritizing safety, reliability, and long-term performance in 277V electrical systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355197853858,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-egb16020-20-a-277-v-1-pole-bolt-on-circuit-breaker-587.webp?v=1788740604","url":"https:\/\/www.ampstate.com\/products\/square-d-egb16020-20a-277v-1-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}