{"product_id":"square-d-ejb36045-45a-600v-3-pole-bolt-on-circuit-breaker","title":"Square D EJB36045 - 45 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D EJB36045 — a purpose-built, 3-pole bolt-on molded case circuit breaker designed to protect your panelboards and load centers with steady, reliable performance. Rated at 45 A and 600 V, this unit is engineered for sturdy branch circuit overcurrent and short-circuit protection in residential, commercial, and light industrial environments.\u003c\/p\u003e \u003cp\u003eKey advantages that set the EJB36045 apart:\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 bus, reducing connection loosening in demanding installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by combining overload sensing with instantaneous short-circuit response, helping to minimize nuisance trips while safeguarding conductors and equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design\u003c\/strong\u003e supports three-phase circuits, essential for balanced load distribution in commercial and light industrial panel systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM loadcenter compatibility\u003c\/strong\u003e ensures seamless integration with matching Square D load centers and panelboards, simplifying retrofits and new builds alike.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applicability\u003c\/strong\u003e suited for a range of installations—from multi-family residential panels to small commercial service equipment and light industrial control panels.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: EJB36045\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 45 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600 V\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 \u003ch3\u003eWho should consider this breaker?\u003c\/h3\u003e\n\u003cp\u003eElectricians, facility managers, and maintenance professionals who work with Square D panelboards or compatible OEM enclosures will appreciate the EJB36045’s dependable performance, straightforward bolt-on installation, and the assurance of consistent protection across a range of environments.\u003c\/p\u003e \u003ch3\u003eUse cases and practical considerations\u003c\/h3\u003e\n\u003cp\u003eUse the Square D EJB36045 in three-phase distribution panels feeding commercial equipment, light industrial machinery, or multi-zone commercial lighting where a robust, 45 A protection device is appropriate. Its bolt-on mounting is ideal for installations where vibration resistance and a solid bus connection are priorities, helping maintain electrical integrity in panels exposed to movement or cycling loads. Pair it with compatible loadcenters to ensure labeling, coordination, and protection align with your system’s design requirements.\u003c\/p\u003e \u003cp\u003eIn short, the Square D EJB36045 45 A, 600 V, 3-pole bolt-on circuit breaker delivers dependable branch circuit protection, reliable trip performance, and seamless compatibility with OEM panel solutions — a smart, durable choice for ensuring electrical safety and system reliability in a variety of settings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355214794914,"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_2baeb9f1-746e-40b8-a025-9871d768dbf4.png?v=1764690408","url":"https:\/\/www.ampstate.com\/products\/square-d-ejb36045-45a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}