{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RB1036-1UB1","brand":"Siemens","brandSlug":"siemens","productSlug":"3RB1036-1UB1","canonicalUrl":"https://aoctrl.com/siemens/3RB1036-1UB1","factsUrl":"https://aoctrl.com/api/mcp/products/3RB1036-1UB1","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RB1 solid-state overload relay, 15-50A, Class 10, screw connection, size S2, built-on relay connector, manual-automatic reset, current lifecycle stage.","salesMarkdown":"The Siemens 3RB1036-1UB1 is a solid-state overload relay from the SIRIUS 3RB1 family, rated for motor protection in the 15 to 50 A range with Class 10 trip characteristics. It mounts individually (size S2) via screw connection and includes a built-on relay connector for auxiliary wiring. The manual-automatic reset selector lets the commissioning engineer choose between latching on fault or auto-reset after the thermal model cools — a decision that matters when the line is unattended overnight. The 15 to 50 A setting range covers the most common motor FLA band for small-to-medium induction motors on 400 V three-phase supplies. The solid-state design means no bimetal fatigue and no ambient-temperature compensation drift over years of cycling, which is what makes this a reliable critical spare for a legacy panel.","metaTitle":"Siemens 3RB1036-1UB1 solid-state overload relay, 15-50A, Cla","metaDescription":"Siemens 3RB1036-1UB1 solid-state overload relay, 15-50A, Class 10, screw connection, size S2. Current production lifecycle stage. Sourced to order against an RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Overload Relays"],"specifications":{"lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=231627&mlfb=3RB1036-1UB1","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RB1036-1UB1/alternatives.json"},"ai":{"faq":[{"question":"What is the setting range and trip class?","answer":"The setting range is 15 to 50 A with Class 10 trip characteristics, meaning it protects motors up to that FLA and trips within 10 seconds at 7.2× the set current."},{"question":"What connection type and mounting does it use?","answer":"It uses screw connection terminals and mounts individually in size S2 format. A built-on relay connector is included for the auxiliary contact wiring."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RB1036-1UB1","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/3RB1036-1UB1 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}}