{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RA9012-5BU46","brand":"Siemens","brandSlug":"siemens","productSlug":"3RA9012-5BU46","canonicalUrl":"https://aoctrl.com/siemens/3RA9012-5BU46","factsUrl":"https://aoctrl.com/api/mcp/products/3RA9012-5BU46","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3RA9012-5BU46 GM-SET actuator safety lock, flat maintained contact lock, metal, cage clamp connection, Motor Starters accessory.","salesMarkdown":"## What this actuator safety lock does in a motor starter line The Siemens 3RA9012-5BU46 is a GM-SET actuator safety lock — a flat, maintained-contact lock with a metal housing and cage clamp connection, designed for use with Siemens motor starters in the 3RA series. Its function is to physically lock the actuator in a maintained position (I+O+II), preventing unintended state changes on the motor starter, which is critical for lockout/tagout procedures and safety isolation in control panels. ## Integration notes for panel builders The cage clamp connection accepts solid or stranded conductors without needing ferrules — the spring pressure maintains contact force over temperature cycles, reducing maintenance checks on safety circuits. The metal housing provides mechanical robustness for high-cycle industrial environments where plastic locks might fatigue, and the flat profile fits within the standard motor starter footprint without protruding into adjacent wiring channels.","metaTitle":"Siemens 3RA9012-5BU46 Actuator Safety Lock, Motor Starters","metaDescription":"Siemens 3RA9012-5BU46 GM-SET actuator safety lock, flat maintained contact lock, metal, cage clamp connection. Current lifecycle stage. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Motor Starters"],"specifications":{"lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/cee68187496abb5d1858f09afb7932b5.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=453747&mlfb=3RA9012-5BU46","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RA9012-5BU46/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RA9012-5BU46","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/3RA9012-5BU46 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}