{"schemaVersion":1,"slug":"ga-moulded-case-circuit-breaker","name":"Moulded-case circuit breaker","kind":"object","abbreviation":"MCCB","aliases":["MCCB molded case breaker","Moulded-case circuit breaker CAD","Moulded-case circuit breaker general arrangement","Moulded-case circuit breaker panel layout"],"category":"power-distribution","drawingTypes":["GA","SLD"],"referenceFamilies":["Manufacturer"],"summary":"A moulded-case breaker combines circuit switching and overcurrent protection in an insulated case.","description":["A moulded-case breaker combines circuit switching and overcurrent protection in an insulated case.","Locate terminals and operating handle; account for side accessories and any rotary handle or door coupling. The GA locates the physical item; the associated schematic or equipment schedule records its electrical interfaces.","The preview is independent educational geometry and is not a manufacturer outline, fabrication drawing or verified standard graphic. Obtain the applicable model drawing from the cited official source before making a dimensional layout."],"readingNotes":["Locate terminals and operating handle; account for side accessories and any rotary handle or door coupling.","Frame size, trip setting and interrupting capacity are separate attributes and cannot be read from a rectangle."],"drawingChecklist":["Confirm the exact equipment identity, drawing revision and installation orientation.","Locate terminals and operating handle; account for side accessories and any rotary handle or door coupling.","Cross-reference the terminals, cable routes and service tasks with the equipment schedule."],"distinction":"Frame size, trip setting and interrupting capacity are separate attributes and cannot be read from a rectangle.","facts":[{"label":"Record type","value":"Generic equipment / layout object"},{"label":"Drawing role","value":"Physical location and interface coordination"},{"label":"Dimensions","value":"Not specified here; use the selected manufacturer drawing"},{"label":"Artwork","value":"Original conceptual envelope; unitless and not to scale"}],"references":[{"sourceId":"pub-object-fuji-cad","relevance":"Public manufacturer or design reference relevant to this equipment class."}],"related":["switchboard","control-cabinet"],"artwork":"edu-object-ga-moulded-case-circuit-breaker","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/objects/ga-moulded-case-circuit-breaker","illustration":{"url":"https://eloragrid.ai/library/illustrations/ga-moulded-case-circuit-breaker.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pub-object-fuji-cad","title":"Distribution and control: official CAD data","publisher":"Fuji Electric Corp. of America","url":"https://americas.fujielectric.com/products/power-distribution-control/distribution-control-support/cad-data/","type":"cad-reference","scope":"Official Americas product-family and model listing. Consult exact catalogue number and current regional availability; vendor drawings remain at the source.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Public manufacturer or design reference relevant to this equipment class."}]}