{"product_id":"square-d-egb34100sa-100a-480v-3-pole-bolt-on-circuit-breaker","title":"Square D EGB34100SA - 100 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D EGB34100SA — a 100 A, 480 V, 3-pole bolt-on molded case circuit breaker engineered to protect your most critical electrical loads. Built for dependable branch circuit overcurrent and short-circuit protection, this unit is a precise fit for panelboards and loadcenters that demand robust, reliable performance in demanding environments.\u003c\/p\u003e \u003ch2\u003eWhy this breaker 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, helping maintain consistent electrical performance even in installations with equipment vibrations or dynamic loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection. The thermal element responds to gradual overloads, while the magnetic element rapidly interromps in the event of a short circuit, reducing nuisance trips and protecting downstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e matches exactly with matching Square D OEM loadcenters and panelboards, simplifying integration and orientation within your existing electrical ecosystem.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole, 100 A at 480 V\u003c\/strong\u003e capability supports three-phase circuits common in commercial and light industrial installations, as well as select higher-demand residential setups that require 480 V service.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatility across applications\u003c\/strong\u003e designed for residential, commercial, and light industrial environments, making it a reliable choice for a wide range of 3-phase protection needs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eUse cases and ideal applications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eNew or retrofit installations in commercial spaces that utilize 480 V 3-phase distributions, such as offices, retail spaces with heavy mechanical equipment, and data rooms.\u003c\/li\u003e \u003cli\u003eUpgrades or replacements in panelboards\/load centers that require a secure bolt-on solution for enduring mechanical stress and vibration.\u003c\/li\u003e \u003cli\u003eProtection for motors, pumps, compressors, and other three-phase equipment commonly found in light industrial settings.\u003c\/li\u003e \u003cli\u003eResilient protection in HVAC systems and other critical mechanical systems where reliable trip performance matters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\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 EGB34100SA\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 \u003ch2\u003ePractical considerations and best practices\u003c\/h2\u003e\n\u003cp\u003eTo get the most from the Square D EGB34100SA, pair it with compatible OEM loadcenters and panelboards designed for bolt-on molded case breakers. This alignment ensures reliable bus connections, consistent protection, and straightforward installation for three-phase 480 V systems. If you’re upgrading existing infrastructure, confirm panel compatibility with the EGB family and plan around a controlled power-down procedure to maintain safety and minimize downtime.\u003c\/p\u003e \u003cp\u003eIn short, the Square D EGB34100SA delivers sturdy, predictable protection for 3-phase 480 V circuits, combining secure mounting, durable protection, and OEM compatibility into a single, dependable solution for commercial and light industrial electrical architectures.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355205423266,"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_e85aba2d-fb8f-4c42-a39a-3bb97fb64bf4.png?v=1764690326","url":"https:\/\/www.ampstate.com\/products\/square-d-egb34100sa-100a-480v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}