{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA9137-0FK43","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA9137-0FK43","canonicalUrl":"https://aoctrl.com/siemens/3VA9137-0FK43","factsUrl":"https://aoctrl.com/api/mcp/products/3VA9137-0FK43","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON, door-coupling rotary operating mechanism, 3VA9137-0FK43, IP65, NEMA 4/4X, 77 x 70 mm, with 24 V DC lighting kit and door interlock.","salesMarkdown":"The Siemens SENTRON 3VA9137-0FK43 is a door-coupling rotary operating mechanism designed for the 3VA4/5 125 molded-case breaker frame. It carries an IP65 protection class and NEMA 4, 4X enclosure rating, meaning the operator assembly seals against hose-directed water and corrosion — suitable for washdown environments, food processing zones, and outdoor enclosures where the breaker itself is panel-mounted but the handle must pass through a sealed door. The 77 mm width and 70 mm height define the panel cutout and bezel footprint — these are the dimensions that govern whether the operator fits the existing door prep or a new punch pattern. The NEMA 4/4X rating (not just IP65) adds corrosion resistance to the exposed handle and bezel, which matters in coastal or chemical-processing installations where salt spray or caustic washdown would degrade a standard painted handle. This variant includes a 24 V DC lighting kit, a door interlock that prevents opening the door with the breaker closed, and a door-open position accessory. The lighting kit is powered separately from the breaker aux circuit — it illuminates the handle position indicator through the door window, useful in low-light panel rows or nighttime maintenance access.","metaTitle":"Siemens SENTRON 3VA9137-0FK43 Door-Coupling Rotary Operator,","metaDescription":"Siemens 3VA9137-0FK43 door-coupling rotary operating mechanism for 3VA4/5 125 breakers. IP65, NEMA 4, 4X. 24 V DC lighting kit, door interlock, door-open accessory. 77 x 70 mm. Cur","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Circuit Breaker Accessories"],"specifications":{"Width":"77 mm","title":"3VA9137-0FK43","Height":"70 mm","Accessories":"Door-coupling rotary operating mechanisms","description":"door mounted rotary operator standard NEMA type 4, 4X with door interlock 24V DC lighting kit and door open position accessory for: 3VA4/5 125","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/dd71cb006b59ae327c88383ec18305c9.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=650580&mlfb=3VA9137-0FK43"},"ai":{"faq":[{"question":"What are the enclosure ratings on this door operator?","answer":"It carries IP65 (dust-tight and protected against water jets) and NEMA 4, 4X (hosedown and corrosion-resistant). The NEMA 4X rating specifically means the exposed handle and bezel resist corrosion in washdown or coastal environments."},{"question":"What breaker frame does 3VA9137-0FK43 fit?","answer":"It is specified for the 3VA4/5 125 molded-case breaker frame. The door-coupling mechanism includes a 24 V DC lighting kit, door interlock, and door-open position accessory."},{"question":"How do I get current pricing and availability for 3VA9137-0FK43?","answer":"The part is sourced and quoted to order against an RFQ through independent distribution. Submit an RFQ to confirm current pricing and availability — no stock count or lead-time figure is published here."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA9137-0FK43","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/3VA9137-0FK43 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}}