{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RB1066-1GG0","brand":"Siemens","brandSlug":"siemens","productSlug":"3RB1066-1GG0","canonicalUrl":"https://aoctrl.com/siemens/3RB1066-1GG0","factsUrl":"https://aoctrl.com/api/mcp/products/3RB1066-1GG0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3RB10 series solid-state overload relay, 55–250 A, Class 10.MOD.S10/S12, for contactor mounting on 3RT106 or separate mounting.","salesMarkdown":"The Siemens 3RB1066-1GG0 is a solid-state overload relay from the 3RB10 series, rated 55–250 A with Class 10.MOD.S10/S12 trip characteristics. It includes mounting rails for direct attachment to a 3RT106 contactor or for separate DIN-rail mounting in the panel. ## Trip class and current range The 55–250 A adjustable range covers medium-frame motors up to roughly 132 kW at 400 V. Supplied with mounting rails for contactor mounting on a 3RT106 contactor or for separate mounting on a DIN rail. The solid-state design eliminates the mechanical wear of bimetallic relays and allows the relay to be mounted in any orientation without derating.","metaTitle":"Siemens 3RB1066-1GG0 Solid-State Overload Relay, 55–250 A, C","metaDescription":"Siemens 3RB1066-1GG0 solid-state overload relay, 55–250 A, Class 10. Current lifecycle stage. Sourced to order against RFQ. Get a quote.","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=274654&mlfb=3RB1066-1GG0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RB1066-1GG0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3RB1066-1GG0 and how do I get a price?","answer":"The 3RB1066-1GG0 is sourced and quoted to order against an RFQ through independent distribution. Submit an RFQ for current availability and pricing."},{"question":"What is 3RB1066-1GG0's current lifecycle stage?","answer":"The lifecycle stage is listed as current."},{"question":"What is the 3RB1066-1GG0 current rating and trip class?","answer":"It is a solid-state overload relay rated 55–250 A with Class 10.MOD.S10/S12 trip characteristics."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RB1066-1GG0","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/3RB1066-1GG0 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}}