{"schemaVersion":1,"slug":"residual-current-breaker-with-overcurrent-protection","name":"Residual-current breaker with overcurrent protection","kind":"symbol","abbreviation":"RCBO","aliases":["HCB11Q13","VCB11Q13","residual-current circuit breaker with overcurrent protection"],"category":"power-distribution","drawingTypes":["SLD","Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"An RCBO combines residual-current operation with overcurrent protection in one device.","description":["An RCBO combines residual-current operation with overcurrent protection in one device. It is often shown as a combined protective function rather than as two unrelated devices."],"readingNotes":["Identify which neutral connection is switched, sensed or permanently connected for the selected model.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["Record residual-current type","Record overcurrent curve and rating","Verify neutral terminal connections"],"distinction":"An RCBO differs from an RCCB by its integral overcurrent protective function.","facts":[{"label":"Drawing role","value":"Circuit interruption"},{"label":"Representation scope","value":"Functional concept; not an official standard graphic or a product footprint"},{"label":"Public vendor block reference","value":"HCB11Q13, VCB11Q13 (Autodesk identifiers; not IEC symbol numbers)"},{"label":"Identifier status","value":"The short label is a functional lookup label, not an assigned IEC or IEEE symbol number. Any separately listed Autodesk code is a verified vendor block name."}],"references":[{"sourceId":"autodesk-breakers","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."},{"sourceId":"breaker-characteristics","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."},{"sourceId":"pub-symbol-rcd-categories","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}],"related":["circuit-breaker","core-balance-current-transformer","protective-earth"],"artwork":"edu-residual-current-breaker-with-overcurrent-protection","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/residual-current-breaker-with-overcurrent-protection","illustration":{"url":"https://eloragrid.ai/library/illustrations/residual-current-breaker-with-overcurrent-protection.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"autodesk-breakers","title":"Circuit-breaker symbol variants","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-DB1548A3-A4D3-47E5-86AC-37000DC57D80.htm","type":"cad-reference","scope":"Circuit-breaker variants and thermal, magnetic and differential qualifiers.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."},{"id":"breaker-characteristics","title":"Fundamental characteristics of a circuit-breaker","publisher":"Schneider Electric — Electrical Installation Guide","url":"https://www.electrical-installation.org/enwiki/Fundamental_characteristics_of_a_circuit-breaker","type":"manufacturer","scope":"Voltage, current, tripping and breaking-capacity concepts; not a product selection or settings prescription.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."},{"id":"pub-symbol-rcd-categories","title":"Residual current device categories","publisher":"Schneider Electric","url":"https://www.se.com/au/en/faqs/FAQ000218859/","type":"manufacturer","scope":"Public manufacturer explanation of the equipment function and selection context.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}]}