{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RU6900-1A","brand":"Siemens","brandSlug":"siemens","productSlug":"3RU6900-1A","canonicalUrl":"https://aoctrl.com/siemens/3RU6900-1A","factsUrl":"https://aoctrl.com/api/mcp/products/3RU6900-1A","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RU6900-1A overload relay, mechanical reset, size S00 and S0, resetting plunger with holder and funnel.","salesMarkdown":"## Mechanical reset for S00 and S0 contactors The 3RU6900-1A is a SIRIUS overload relay with a mechanical RESET design — the resetting plunger, holder and funnel let you trip and reset the relay without powering the coil, which matters when you're troubleshooting a stalled conveyor and don't want to cycle the main contactor.","metaTitle":"Siemens 3RU6900-1A SIRIUS Overload Relay, mechanical reset","metaDescription":"Siemens 3RU6900-1A SIRIUS overload relay, mechanical reset, fits S00 and S0 contactors. Active production. Quoted to order. -20 to +70°C operating range.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Overload Relays"],"specifications":{"title":"3RU6900-1A","description":"Mechanical reset size S00...S0 for 3RU6","During Storage":"-50 ... +80°C","lifecycle_stage":"current","During Operation":"-20 ... +70°C","Product Brand Name":"SIRIUS","Product Designation":"mechanical RESET","Design Of The Product":"resetting plunger, holder and funnel","Size Of Overload Relay":"S00, S0"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/84ea15cacaafbd132be8dbdbdeb3c916.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=621355&mlfb=3RU6900-1A"},"ai":{"faq":[{"question":"What contactor frames does 3RU6900-1A fit?","answer":"It fits both S00 and S0 contactor frames, which covers the most common Siemens SIRIUS compact contactor sizes up to around 22 A AC-3 duty."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RU6900-1A","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/3RU6900-1A when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}