{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RW4776-0UB00","brand":"Siemens","brandSlug":"siemens","productSlug":"3RW4776-0UB00","canonicalUrl":"https://aoctrl.com/siemens/3RW4776-0UB00","factsUrl":"https://aoctrl.com/api/mcp/products/3RW4776-0UB00","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3RW4776-0UB00 enclosure lower part for 3RW40 Size S12 soft starter, current lifecycle stage, RoHS compliance dated 05/01/2012.","salesMarkdown":"## What this enclosure base fits The Siemens 3RW4776-0UB00 is the enclosure lower part (base) for the 3RW40 soft starter range, Size S12. It is the structural mounting chassis that houses the power stack and control board of the soft starter — not the complete unit itself. Size S12 is the largest frame in the 3RW40 family, designed for motor currents up to about 480 A depending on the specific soft starter variant. The base provides the mounting footprint and cable entry clearance for that power level. ## Panel integration notes for the 3RW40 Size S12 base As the enclosure lower part, this base determines the panel cutout and mounting hole pattern for the 3RW40 Size S12 soft starter. Verify the existing panel opening matches the Size S12 footprint before ordering — the base does not include the upper enclosure cover or the electronics module. The base provides the gland plate entry for motor and line power cables. For a 480 A class soft starter, expect cable sizes in the 185–300 mm² range; the base's cable entry clearance must accommodate those conductors with proper bending radius.","metaTitle":"Siemens 3RW4776-0UB00 Soft Starter Enclosure Base, Size S12","metaDescription":"Siemens 3RW4776-0UB00 enclosure lower part for 3RW40 Size S12 soft starter. Current lifecycle stage. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Soft Starters"],"specifications":{"title":"3RW4776-0UB00","description":"Enclosure base for 3RW40 Size S12","lifecycle_stage":"current","Product Designation":"Enclosure lower part","Substance Prohibitance (Date)":"05/01/2012"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/77ae6b10d44218f1209c10061e88640e.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=884198&mlfb=3RW4776-0UB00"},"ai":{"faq":[{"question":"What is the 3RW4776-0UB00's product designation?","answer":"The product designation is Enclosure lower part, specifically the enclosure base for the 3RW40 Size S12 soft starter."},{"question":"What compliance documentation does Siemens provide for this part?","answer":"The part meets EU RoHS material restriction requirements as of that date."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RW4776-0UB00","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/3RW4776-0UB00 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}}