{"schemaVersion":1,"slug":"soft-starter-bypass-command-interface","name":"Soft-starter bypass command interface","kind":"symbol","abbreviation":"SBCI","aliases":["Motor-feeder control interfaces","switchgear Motor-feeder control interfaces","switchgear","Switchgear","Soft-starter operating status","Bypass contactor command"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"Requests bypass connection only under the conditions defined by the selected soft starter.","description":["Requests bypass connection only under the conditions defined by the selected soft starter. A motor feeder combines switching, motor protection and an operating command. Starting permission, running feedback and protection trip are different signals even where one relay or controller processes all of them.","In a switchroom motor-control panel, a ventilation motor can receive an automatic start request while a local selector and the motor protection determine whether the feeder is available. For this reference, the drawing identifies “Soft-starter operating status” at the input and “Bypass contactor command” at the output. Bypass control is product-specific.","Link the motor tag to its contactor, protective device and process permissives. The control diagram must identify stop priority, feedback and restart philosophy without supplying unverified settings. 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: Soft-starter operating status. Identify its source device or document and the state represented on the drawing.","Follow the named output: Bypass contactor command. Cross-reference its destination and separate the command from confirmation that the equipment responded.","Bypass control is product-specific.","Link the motor tag to its contactor, protective device and process permissives. The control diagram must identify stop priority, feedback and restart philosophy without supplying unverified settings."],"drawingChecklist":["Label the source and connection reference for soft-starter operating status.","Identify the destination and defined state of bypass contactor command.","Record the equipment or control-document revision supporting this functional block.","Check this application limit in the project design: Bypass control is product-specific."],"distinction":"Bypass control is product-specific. 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":"Soft-starter operating status"},{"label":"Output / connection","value":"Bypass contactor command"},{"label":"Lookup label","value":"SBCI is a library lookup label, not a standard device designation."}],"references":[{"sourceId":"pi26-motor-relay","relevance":"Public technical context for motor-feeder control interfaces. Motor feeder thermal, starting and control functions. The application text and educational graphic are independently authored; the publisher does not certify this representation."}],"related":["contactor","motor-overload-trip-nc-contact","variable-speed-drive-run-enable-interface"],"artwork":"pi26-soft-starter-bypass-command-interface","publishedOn":"2026-11-03","updatedOn":"2026-11-03","provenance":"independent-public-research","representation":{"type":"functional-block","focus":"switchgear","family":"motor-feeders","input":"Soft-starter operating status","output":"Bypass contactor command"},"plainEnglish":{"title":"What this block does","introduction":"Requests bypass connection only under the conditions defined by the selected soft starter.","example":"In a switchroom motor-control panel, a ventilation motor can receive an automatic start request while a local selector and the motor protection determine whether the feeder is available. For this reference, the drawing identifies “Soft-starter operating status” at the input and “Bypass contactor command” at the output. Bypass control is product-specific.","drawings":"Start at the named input: Soft-starter operating status. Identify its source device or document and the state represented on the drawing. Follow the named output: Bypass contactor command. Cross-reference its destination and separate the command from confirmation that the equipment responded.","terms":[{"name":"Input","meaning":"Soft-starter operating status"},{"name":"Output","meaning":"Bypass contactor command"},{"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":["Soft-starter operating status","SBCI","Bypass contactor command"],"caption":"A reading guide. The entry's original illustration and input/output facts describe this application.","sources":[{"label":"SEL-710 motor protection and control","url":"https://selinc.com/products/710/"}],"profileId":"power-installation-motor-feeders"},"url":"https://eloragrid.ai/symbols/soft-starter-bypass-command-interface","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/soft-starter-bypass-command-interface.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pi26-motor-relay","publisher":"SEL","title":"SEL-710 motor protection and control","url":"https://selinc.com/products/710/","scope":"Motor feeder thermal, starting and control functions.","type":"manufacturer","checkedOn":"2026-11-03","reuse":"link-only","relevance":"Public technical context for motor-feeder control interfaces. Motor feeder thermal, starting and control functions. The application text and educational graphic are independently authored; the publisher does not certify this representation."}]}