{"product_id":"square-d-egb34050-50a-480v-3-pole-bolt-on-circuit-breaker","title":"Square D EGB34050 - 50 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D EGB34050 — a 50A, 480V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Built for real-world electrical environments, this unit combines robust mounting with precise protection curves to keep installations safe and operational.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant connection to bus bars, reducing movement and ensuring consistent electrical contact even in demanding setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by sensing both overloads and short circuits, so you get predictable performance across varying loads and temperatures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is engineered to pair with matching Square D load centers and panelboards, simplifying replacement and expansion without compatibility concerns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial environments where reliable 3-phase protection at 480V is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: EGB34050\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 50A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 480V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in the field: when distribution panels and load centers serve critical equipment or busy commercial spaces, predictable protection is essential. The EGB34050’s bolt-on design minimizes vibrations that can loosen connections over time, while the thermal-magnetic trip mechanism quickly clears faults without nuisance trips during normal operation. In practice, this means less downtime, safer electrical distribution, and straightforward maintenance or expansion for your 3-phase 480V systems.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or stocking spare parts for 480V three-phase panelboards and load centers in commercial facilities, schools, or light industrial sites.\u003c\/li\u003e \u003cli\u003eNew installations where a reliable 3-pole, 50A bolt-on MCCB is needed to protect branch circuits from overloads and short circuits.\u003c\/li\u003e \u003cli\u003eRetrofits or repairs in existing Square D or OEM-matched panels to maintain electrical tolerance and protection schemes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned with practical field needs in mind, the Square D EGB34050 combines a rugged bolt-on interface with precise thermal-magnetic protection to deliver consistent, easy-to-manage circuit protection. If you’re building or maintaining 480V 3-phase distributions, this breaker provides a dependable, OEM-compatible solution that aligns with standard panelboard configurations and practical protection requirements.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355205128354,"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-egb34050-50-a-480-v-3-pole-bolt-on-circuit-breaker-413.webp?v=1788740984","url":"https:\/\/www.ampstate.com\/products\/square-d-egb34050-50a-480v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}