{"product_id":"general-electric-mb516-circuit-breaker","title":"General Electric | MB516 | Circuit Breaker | 400A | 208V","description":"\u003cdiv\u003e\n\u003cp\u003eThe General Electric MB516 circuit breaker is a robust, high-current protective device built for demanding 208V systems. With a 400A rating, it provides reliable overcurrent protection for sizable distribution panels, heavy machinery, and retrofit or replacement projects where precise compatibility matters.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 208V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand\/Part:\u003c\/strong\u003e General Electric, MB516\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e maintenance, retrofit, and replacement to match existing electrical specifications\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this GE MB516 matters: using a genuine GE MB516 ensures the same electrical characteristics and mounting geometry as your existing equipment, reducing installation guesswork and the need for panel modifications. This is especially important in critical environments where uptime and safety are paramount.\u003c\/p\u003e \u003ch3\u003eKey use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpdating an aging electrical panel to restore full protective capability without changing other components\u003c\/li\u003e \u003cli\u003eRetrofit projects where 400A protection at 208V aligns with system design requirements\u003c\/li\u003e \u003cli\u003eReplacement of a defective breaker in GE-based installations that rely on the MB516 part family\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility note\u003c\/strong\u003e: Confirm fit and ratings before ordering. The MB516 part number is the most reliable reference for ensuring you’re selecting the correct breaker for your panel and system. If you’re replacing a similar GE unit or matching existing specs, this breaker offers the peace of mind of OEM-grade performance.\u003c\/p\u003e \u003ch3\u003ePractical considerations and tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways verify the exact amperage and voltage requirements of your panel before purchase to avoid mismatches.\u003c\/li\u003e \u003cli\u003eKeep a record of the MB516 part number for future maintenance or substitution needs, ensuring quick reordering and consistent performance.\u003c\/li\u003e \u003cli\u003eConsult your electrical schematic or panel labeling to confirm the mounting and trip characteristics align with your protection strategy.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals who value reliability, compatibility, and straightforward installation, the GE MB516 400A 208V circuit breaker is a dependable choice for keeping critical systems protected and running smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46426328236194,"sku":"MB516","price":2010.0,"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\/general-electric-mb516-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}