{"product_id":"general-electric-mb513-circuit-breaker","title":"General Electric | MB513 | Circuit Breaker | 225A | 3-Pole | 480V | Plug-In","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the General Electric MB513 circuit breaker — a robust, plug-in solution engineered for dependable protection in high-demand electrical systems. With a 225A rating and a 3-pole configuration at 480V, this breaker is designed for three-phase circuits where reliable overcurrent protection and quick replacement matter most. Designed for maintenance, retrofit, and replacement projects, the MB513 is built to match specific GE panel requirements, helping keep downtime to a minimum.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 225A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Plug-In\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy the MB513 stands out\u003c\/h3\u003e\n\u003cp\u003eThe MB513 is more than a standard breaker. Its plug-in design is purpose-built for compatible GE panels, enabling fast swaps during routine maintenance or when upgrading to a higher-capacity protection scheme. The triple-pole construction ensures synchronized interruption across all three legs of a 3-phase system, guarding motors, transformers, and equipment from overloads and short circuits with consistent trip performance.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial control panels and manufacturing lines operating on 3-phase 480V systems\u003c\/li\u003e \u003cli\u003eRetrofits in aging GE panels that require a direct MB513-compatible replacement\u003c\/li\u003e \u003cli\u003eNew or upgraded installations where robust 225A protection is appropriate for heavy loads\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility notes\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings against your panel’s documented requirements. The part number \u003cstrong\u003eMB513\u003c\/strong\u003e is the most reliable reference for compatibility, ensuring you’re selecting the exact plug-in breaker that your GE panel expects. This is a \u003cstrong\u003eplug-in\u003c\/strong\u003e solution, so verify that your enclosure supports a three-pole, 480V configuration and that the bus structure matches the MB513 profile. For a safe, long-lasting installation, follow all manufacturer wiring guidelines and have a licensed electrician perform the replacement.\u003c\/p\u003e \u003ch3\u003eHow this breaker helps you manage risk and uptime\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDirect, plug-in replacement minimizes downtime and panel downtime during maintenance or retrofit projects\u003c\/li\u003e \u003cli\u003eThree-pole design provides balanced protection across all phases, reducing the risk of uneven fault conditions\u003c\/li\u003e \u003cli\u003eHigh-current capability (225A) supports demanding loads common in commercial and industrial settings\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for getting the most from your MB513\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrepare your panel model and confirm it supports 480V, 3-pole plug-in breakers to ensure seamless compatibility\u003c\/li\u003e \u003cli\u003eKeep the panel’s documentation handy to verify that MB513 is the exact replacement part you need\u003c\/li\u003e \u003cli\u003eSchedule replacement during a planned maintenance window to minimize production impact\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46426708770978,"sku":"MB513","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/general-electric-mb513-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}