{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RA9012-5BC28","brand":"Siemens","brandSlug":"siemens","productSlug":"3RA9012-5BC28","canonicalUrl":"https://aoctrl.com/siemens/3RA9012-5BC28","factsUrl":"https://aoctrl.com/api/mcp/products/3RA9012-5BC28","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3RA9012-5BC28 SIRIUS accessory, pilot light assembly, push-to-test, white lens, 120 VAC, 1NO + 1NC contacts, cage clamp connection.","salesMarkdown":"## Pilot light for the SIRIUS starter line The 3RA9012-5BC28 is a GM-SET pilot light assembly — item number 12250 — designed as a snap-on accessory for Siemens SIRIUS motor starters. The cage clamp connection means you land the wires without screwing down terminals — push the spring, insert the stripped conductor, release. Faster for panel build and less prone to vibration loosening than a screw clamp.","metaTitle":"Siemens 3RA9012-5BC28 Pilot Light, Push-to-Test, White","metaDescription":"Siemens 3RA9012-5BC28 pilot light assembly for SIRIUS motor starters. White lens, push-to-test, 120 VAC, 1NO+1NC contacts, cage clamp. Current lifecycle stage.","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=280537&mlfb=3RA9012-5BC28","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RA9012-5BC28/alternatives.json"},"ai":{"faq":[{"question":"What does the 3RA9012-5BC28 description mean — GM-SET, push-to-test, cage clamp?","answer":"GM-SET is Siemens' designation for a pilot light module that snaps onto the SIRIUS contactor or starter. Push-to-test means you press the lens to check the bulb without energizing the circuit. Cage clamp is the spring-loaded wire termination — strip 8-9 mm, push the orange button, insert the wire, release. No screwdriver needed."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RA9012-5BC28","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/3RA9012-5BC28 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}}