{"product_id":"square-d-ejb34050-50a-480v-3-pole-bolt-on-circuit-breaker","title":"Square D EJB34050 - 50 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D EJB34050—a dependable 50A, 480V, 3-pole bolt-on molded case circuit breaker designed to guard branch circuits in panelboards and load centers. Built for reliable overcurrent and short-circuit protection, it’s a robust choice for three-phase systems in commercial, residential, and light industrial environments.\u003c\/p\u003e \u003cp\u003eWhat makes this breaker stand out?\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant connection to the panel bus, helping prevent loosening and ensuring consistent performance in environments with vibration or shifting loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by combining thermal overload sensing with instantaneous magnetic tripping for short circuits, reducing nuisance trips and protecting downstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is engineered to integrate with matching Square D load centers and panelboards, enabling straightforward replacement or retrofit without adapters or custom wiring.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole, 50A, 480V configuration\u003c\/strong\u003e is ideal for three-phase distribution, suitable for motor circuits, HVAC feeds, pumps, and other common commercial or light-industrial loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMolded-case construction\u003c\/strong\u003e combines durability with compact protection, making it a reliable choice for demanding electrical installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use scenarios include upgrading or expanding panelboards in commercial buildings, integrating new three-phase equipment in light-industrial setups, or replacing worn breakers in existing OEM systems where compatibility matters. With its bolt-on form factor and matching OEM compatibility, the EJB34050 simplifies installation and minimizes downtime.\u003c\/p\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 EJB34050\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 50 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 \u003cp\u003eIn short, the Square D EJB34050 delivers solid, industry-tested protection with a installation-friendly, OEM-aligned design. It’s the practical, reliable choice for safeguarding three-phase circuits in panelboards and load centers—today and for the life of your electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355211878562,"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_6c54389e-3faf-474a-b6ef-f6ea1dcf9840.png?v=1764690396","url":"https:\/\/www.ampstate.com\/products\/square-d-ejb34050-50a-480v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}