{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA9447-0FK43","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA9447-0FK43","canonicalUrl":"https://aoctrl.com/siemens/3VA9447-0FK43","factsUrl":"https://aoctrl.com/api/mcp/products/3VA9447-0FK43","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON, Door-coupling rotary operating mechanism, 3VA9447-0FK43, IP65, NEMA 4/4X, 138 mm width, 94 mm height.","salesMarkdown":"The Siemens SENTRON 3VA9447-0FK43 is a door-coupling rotary operating mechanism designed for 3VA5 and 3VA6 molded-case circuit breakers in the 400 A and 600 A frame sizes. It's the accessory that lets you open and close the breaker from outside the enclosure while keeping the door shut — essential for any panel where you don't want to expose live parts during routine switching. Rated IP65 and NEMA 4/4X, meaning the operator assembly seals against hose-directed water and dust ingress. That makes it suitable for washdown environments in food processing, chemical plants, and outdoor installations where weather-tight integrity matters. The NEMA 4X rating adds corrosion resistance for coastal or acidic atmospheres. This variant includes a door interlock (prevents opening the enclosure door when the breaker is ON) and a 24 V DC illumination kit that lights the handle position. The interlock is a standard safety practice for arc-flash mitigation — it keeps the door closed on a live breaker. The illumination kit runs on 24 V DC, so it ties into a typical control power supply without an extra transformer. Physical fit: 138 mm wide by 94 mm high. That footprint matches the cutout pattern for the 3VA5/6 family's door-coupling operators, so if you're retrofitting an existing panel that already has the door prep, this drops in without new hole punching. The \"standard\" designation in the description means it's the base-length handle throw — no extended operator for deep enclosures.","metaTitle":"Siemens SENTRON 3VA9447-0FK43 Door-Coupling Rotary Operator,","metaDescription":"Siemens SENTRON door-coupling rotary operating mechanism for 3VA5/6 breakers. IP65, NEMA 4/4X. Includes door interlock and 24 V DC illumination kit. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Circuit Breaker Accessories"],"specifications":{"Width":"138 mm","title":"3VA9447-0FK43","Height":"94 mm","Accessories":"Door-coupling rotary operating mechanisms","description":"DOOR MOUNTED ROTARY OPERATOR STANDARD NEMA TYPE 4, 4X WITH DOOR INTERLOCKING ILLUMINATION KIT 24 V DC AND DOOR-OPEN POSITION ACCESSORY FOR 3VA5/6 400/600","Product version":"Door-coupling rotary operating mechanism","lifecycle_stage":"current","Product brand name":"SENTRON","Product designation":"Accessories","Protection class IP":"IP65","Degree of protection NEMA rating":"NEMA 4, 4X"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/f8a0a325f41e59e7ddf1055c30aee7ff.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=650430&mlfb=3VA9447-0FK43"},"ai":{"faq":[{"question":"Where can I buy 3VA9447-0FK43 and get current pricing?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution channels. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and lead time."},{"question":"What is the IP and NEMA rating of 3VA9447-0FK43?","answer":"It carries an IP65 rating for dust and water-jet ingress protection, and NEMA 4/4X ratings for weather-tight and corrosion-resistant service. This combination suits washdown and outdoor installations."},{"question":"Does 3VA9447-0FK43 include a door interlock and illumination?","answer":"Yes, the description confirms it includes a door interlock and a 24 V DC illumination kit as part of the assembly. The interlock prevents opening the door with the breaker closed, and the light shows handle position."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA9447-0FK43","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/3VA9447-0FK43 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}}