{"product_id":"square-d-egb34100-100a-480v-3-pole-bolt-on-circuit-breaker","title":"Square D EGB34100 - 100 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D EGB34100\u003c\/strong\u003e is a robust 100 A, 480 V, 3-pole bolt-on molded case circuit breaker designed to protect branch circuits in panelboards and loadcenters. Built for dependable overcurrent and short-circuit protection, this unit is engineered to perform in demanding commercial and light industrial environments.\u003c\/p\u003e \u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection that stays tight even in equipment rooms with movement or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by combining thermal and magnetic sensing for both overload and short-circuit conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-ready compatibility\u003c\/strong\u003e designed to work with matching Square D OEM loadcenters and panelboards for streamlined installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial electrical distributions that rely on reliable 3-phase protection at 480 V.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e EGB34100\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 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 480 V\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 \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtect three-phase distribution in commercial spaces such as offices, retail, or data centers that run on 480 V systems.\u003c\/li\u003e \u003cli\u003eUpgrade aging or undersized breakers in panelboards and loadcenters without sacrificing compatibility or reliability.\u003c\/li\u003e \u003cli\u003eInstall in light industrial rooms where equipment vibration occurs, relying on the secure bolt-on mounting to maintain a solid electrical connection.\u003c\/li\u003e \u003cli\u003eUse in new installations or retrofits that require a high-quality thermal-magnetic protection solution with clear, repeatable trip behavior.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker matters\u003c\/h3\u003e\n\u003cp\u003eThe EGB34100 combines a rugged bolt-on design with a dependable thermal-magnetic trip mechanism, delivering precise protection for 3-pole, 480 V circuits. Its compatibility with matching OEM panels minimizes adaptation challenges, while the three-pole configuration is ideal for balanced 3-phase distribution. In real-world use, you’ll experience fewer nuisance trips during minor surges and quicker, more predictable response during actual faults, helping protect wiring, equipment, and downstream devices.\u003c\/p\u003e \u003ch3\u003eWho benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectrical contractors installing or upgrading 3-phase systems in commercial facilities.\u003c\/li\u003e \u003cli\u003eFacilities managers maintaining panelboards and loadcenters in office buildings, schools, and light industrial settings.\u003c\/li\u003e \u003cli\u003eMaintenance teams seeking reliable, OEM-aligned protection for 480 V distribution networks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eReady to upgrade your protection with a trusted Square D solution? Add the Square D EGB34100 to your cart and secure reliable 480 V, 3-pole overcurrent protection for your panelboards and loadcenters.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355205390498,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_5b442129-af28-4860-be90-5efd29e71663.png?v=1764690325","url":"https:\/\/www.ampstate.com\/products\/square-d-egb34100-100a-480v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}