{"schemaVersion":1,"slug":"oil-interrupter-breaker-reference","name":"Oil-interrupter breaker reference","kind":"symbol","abbreviation":"OBR","aliases":["Switching-device operating references","switchgear Switching-device operating references","switchgear","Switchgear","Power path and release mechanism","Interrupted oil-breaker path"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"Identifies a documented oil-interruption application when interpreting legacy power drawings.","description":["Identifies a documented oil-interruption application when interpreting legacy power drawings. A switching-device operating reference adds the specific mechanism or duty context needed to interpret its place in a power circuit. The same basic switching outline can serve different equipment constructions, so the added description must remain attached to its device tag.","In a medium-voltage switchgear drawing, the operating reference helps the reader distinguish the interrupting device from its isolation, earthing and auxiliary-control interfaces. For this reference, the drawing identifies “Power path and release mechanism” at the input and “Interrupted oil-breaker path” at the output. Oil construction must come from equipment records.","Use the device schedule for its actual construction, operating duty and ratings. These original functional illustrations describe the named role and do not certify a standard glyph or product footprint. The functional block is an independent explanation of this named application. Equipment-specific ratings, terminal connections and operating conditions must be established in the project documentation."],"readingNotes":["Start at the named input: Power path and release mechanism. Identify its source device or document and the state represented on the drawing.","Follow the named output: Interrupted oil-breaker path. Cross-reference its destination and separate the command from confirmation that the equipment responded.","Oil construction must come from equipment records.","Use the device schedule for its actual construction, operating duty and ratings. These original functional illustrations describe the named role and do not certify a standard glyph or product footprint."],"drawingChecklist":["Label the source and connection reference for power path and release mechanism.","Identify the destination and defined state of interrupted oil-breaker path.","Record the equipment or control-document revision supporting this functional block.","Check this application limit in the project design: Oil construction must come from equipment records."],"distinction":"Oil construction must come from equipment records. This reference describes the named application; it does not establish a new IEC graphical symbol, an ANSI device-function number or an exact manufacturer connection diagram.","facts":[{"label":"Representation","value":"Functional block"},{"label":"Installation focus","value":"Switchgear"},{"label":"Input / boundary","value":"Power path and release mechanism"},{"label":"Output / connection","value":"Interrupted oil-breaker path"},{"label":"Lookup label","value":"OBR is a library lookup label, not a standard device designation."}],"references":[{"sourceId":"pi26-breaker-products","relevance":"Public technical context for switching-device operating references. Circuit-breaker construction and interruption families. The application text and educational graphic are independently authored; the publisher does not certify this representation."}],"related":["circuit-breaker","disconnector","single-pole-operating-mechanism-reference"],"artwork":"pi26-oil-interrupter-breaker-reference","publishedOn":"2026-11-03","updatedOn":"2026-11-03","provenance":"independent-public-research","representation":{"type":"functional-block","focus":"switchgear","family":"device-functions","input":"Power path and release mechanism","output":"Interrupted oil-breaker path"},"plainEnglish":{"title":"What this block does","introduction":"Identifies a documented oil-interruption application when interpreting legacy power drawings.","example":"In a medium-voltage switchgear drawing, the operating reference helps the reader distinguish the interrupting device from its isolation, earthing and auxiliary-control interfaces. For this reference, the drawing identifies “Power path and release mechanism” at the input and “Interrupted oil-breaker path” at the output. Oil construction must come from equipment records.","drawings":"Start at the named input: Power path and release mechanism. Identify its source device or document and the state represented on the drawing. Follow the named output: Interrupted oil-breaker path. Cross-reference its destination and separate the command from confirmation that the equipment responded.","terms":[{"name":"Input","meaning":"Power path and release mechanism"},{"name":"Output","meaning":"Interrupted oil-breaker path"},{"name":"Application reference","meaning":"An explanation of a named drawing function or circuit relationship; the project documents define the equipment and its connections."}],"diagram":"flow","steps":["Power path and release mechanism","OBR","Interrupted oil-breaker path"],"caption":"A reading guide. The entry's original illustration and input/output facts describe this application.","sources":[{"label":"High-voltage circuit breakers","url":"https://www.siemens-energy.com/global/en/home/products-services/product-offerings/circuit-breakers.html"}],"profileId":"power-installation-device-functions"},"url":"https://eloragrid.ai/symbols/oil-interrupter-breaker-reference","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/oil-interrupter-breaker-reference.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pi26-breaker-products","publisher":"Siemens Energy","title":"High-voltage circuit breakers","url":"https://www.siemens-energy.com/global/en/home/products-services/product-offerings/circuit-breakers.html","scope":"Circuit-breaker construction and interruption families.","type":"manufacturer","checkedOn":"2026-11-03","reuse":"link-only","relevance":"Public technical context for switching-device operating references. Circuit-breaker construction and interruption families. The application text and educational graphic are independently authored; the publisher does not certify this representation."}]}