{"product_id":"square-d-ejb24030-30a-480v-2-pole-bolt-on-circuit-breaker","title":"Square D EJB24030 - 30 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D EJB24030 is a 30-amp, 480-volt, 2-pole bolt-on molded case circuit breaker designed to deliver reliable branch circuit protection in panelboards and load centers. Built to stay secure in environments where vibration or movement could loosen connections, this device uses a bolt-on mounting to ensure a rigid, dependable bus connection from the breaker straight to the panel.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey benefits at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting:\u003c\/strong\u003e A robust mounting method that resists loosening from vibration, providing a consistently solid electrical connection and reducing nuisance trips caused by loose contacts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e Combines two protection mechanisms—thermal overload protection for gradual heat buildup and magnetic trip for rapid disconnection during short circuits—yielding stable, repeatable protection performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility:\u003c\/strong\u003e Designed to work with matching Square D OEM load centers and panelboards, ensuring straightforward installation and reliable coordination with existing equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application range:\u003c\/strong\u003e Suitable for residential, commercial, and light industrial projects where dependable 2-pole protection on a 480V supply is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker makes sense for your panels\u003c\/h3\u003e\n\u003cp\u003eWhen you’re wiring or upgrading a panelboard or load center that feeds critical circuits, the EJB24030 provides a precise balance of safety and reliability. The 2-pole design ensures both hot legs are disconnected together, which is essential for maintaining safe shutdowns on 480V systems. With its bolt-on style, you won’t have to chase clip-in terms or worry about loose mounting—this breaker stays firmly seated where it belongs, even in high-vibration environments.\u003c\/p\u003e \u003ch3\u003eWhat’s inside the box (technical snapshot)\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 EJB24030\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 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 480V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 2\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 \u003ch3\u003eIdeal use cases and practical scenarios\u003c\/h3\u003e\n\u003cp\u003eUse the EJB24030 when you need reliable protection for branch circuits in 480V panel assemblies—such as commercial lighting, receptacle circuits, or motor circuits in light industrial settings. It’s a solid replacement or upgrade option for compatible Square D panelboards and load centers, delivering predictable trip behavior and a secure mechanical grip that resists loosening over time.\u003c\/p\u003e \u003cp\u003eTips for best results: confirm panel compatibility with the OEM lineup, follow all applicable electrical codes, and ensure proper torque on the bolts to maintain the integrity of the connection. The EJB24030 stands out for installations where vibration, long service life, and dependable protection are priorities, making it a practical, long-lasting choice for professional electrical work.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355207782562,"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_e365497a-0978-4510-bd5a-f5f2d2dc61dd.png?v=1764690369","url":"https:\/\/www.ampstate.com\/products\/square-d-ejb24030-30a-480v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}