{"schemaVersion":1,"slug":"ga-miniature-circuit-breaker","name":"Miniature circuit breaker","kind":"object","abbreviation":"MCB","aliases":["MCB","Miniature circuit breaker CAD","Miniature circuit breaker general arrangement","Miniature circuit breaker panel layout"],"category":"power-distribution","drawingTypes":["GA","SLD"],"referenceFamilies":["Manufacturer"],"summary":"A miniature breaker is a compact protective device commonly arranged in rows on a rail or distribution-board support.","description":["A miniature breaker is a compact protective device commonly arranged in rows on a rail or distribution-board support.","Allow space for the actual number of poles, associated auxiliaries and supply comb connections. 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":["Allow space for the actual number of poles, associated auxiliaries and supply comb connections.","A module-count sketch is a planning aid; an exact footprint depends on product series and pole configuration."],"drawingChecklist":["Confirm the exact equipment identity, drawing revision and installation orientation.","Allow space for the actual number of poles, associated auxiliaries and supply comb connections.","Cross-reference the terminals, cable routes and service tasks with the equipment schedule."],"distinction":"A module-count sketch is a planning aid; an exact footprint depends on product series and pole configuration.","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-ad-drawings","relevance":"Public manufacturer or design reference relevant to this equipment class."}],"related":["switchboard","control-cabinet"],"artwork":"edu-object-ga-miniature-circuit-breaker","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/objects/ga-miniature-circuit-breaker","illustration":{"url":"https://eloragrid.ai/library/illustrations/ga-miniature-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-ad-drawings","title":"Official product-line CAD drawing index","publisher":"AutomationDirect","url":"https://support.automationdirect.com/docs/drawings.html","type":"cad-reference","scope":"Manufacturer/supplier index identifies the named product lines. Only product identity and links are used; archives, drawings and vendor copyright material are not reproduced.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Public manufacturer or design reference relevant to this equipment class."}]}