{"product_id":"square-d-ejb36045","title":"Square D EJB36045 45A 3-Pole 347 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D EJB36045 45A 3-Pole 347 V Circuit Breaker — a genuine Square D replacement designed to guard three-phase circuits in demanding commercial and light industrial environments. With a 45-amp protective rating across three poles and a 347-volt operating capability, this breaker preserves uptime while safeguarding equipment from overloads and short circuits.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eKey specs at a glance:\u003c\/strong\u003e Part Number \u003cstrong\u003eEJB36045\u003c\/strong\u003e, current rating \u003cstrong\u003e45 A\u003c\/strong\u003e, \u003cstrong\u003e3-Pole\u003c\/strong\u003e, voltage rating \u003cstrong\u003e347 V\u003c\/strong\u003e.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWhere it fits:\u003c\/strong\u003e Ideal for 3-phase distribution panels in commercial buildings, feeders for motors and HVAC equipment, and lighting\/control circuits that run on 347 V systems. This makes it a practical replacement in facilities that rely on reliable 347 V multi-pole protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e As an authentic Square D component, it ensures compatible mounting, precise trip performance, and consistent electrical protection with the original installation. This isn't a generic part—it's built to match the expectations of your panel and wiring diagrams.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInstallation \u0026amp; compatibility tips:\u003c\/strong\u003e Confirm that your panel accepts an EJB36045 direct replacement. Check mounting style and bus connection to ensure a seamless swap in a compatible Square D enclosure. Follow proper safety procedures and lockout\/tagout protocols during replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReal-world benefits:\u003c\/strong\u003e By using a three-pole breaker rated for 347 V, you can confidently protect three-phase motors, AC units, and lighting circuits from overcurrent, reducing the risk of damage and unscheduled downtime. The unified trip across all three phases helps prevent phase imbalances and equipment stress.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you're upgrading an aging panel or stocking spare parts for maintenance, the Square D EJB36045 45A 3-Pole 347 V Circuit Breaker delivers dependable, industry-standard protection where it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423717281954,"sku":"EJB36045","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-ejb36045","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}