{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3SE3934-5CB20","brand":"Siemens","brandSlug":"siemens","productSlug":"3SE3934-5CB20","canonicalUrl":"https://aoctrl.com/siemens/3SE3934-5CB20","factsUrl":"https://aoctrl.com/api/mcp/products/3SE3934-5CB20","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3SE3934-5CB20, momentary-contact foot switch, 2 pedals, IP65, plastic enclosure, 3 m cable, screw fixing, AC-15 rated 5 A at 230 V.","salesMarkdown":"## SIRIUS momentary-contact foot switch The Siemens 3SE3934-5CB20 is a SIRIUS momentary-contact foot switch with two actuation pedals, plastic total-insulation enclosure rated IP65. It switches one step per pedal, no latching or interlock. Cable entry is a 3 m pre-wired cable; fastening is screw fixing to the floor or panel. Footprint is 212 mm wide × 108 mm high × 34 mm deep. Screw-down mounting through the enclosure base. Surface mounting to a machine base or control pedestal — no DIN rail provision. Cable exits through a fixed gland; the 3 m length allows routing to a nearby junction box.","metaTitle":"Siemens 3SE3934-5CB20 SIRIUS Foot Switch, IP65, AC-15 5A","metaDescription":"Siemens 3SE3934-5CB20 SIRIUS momentary-contact foot switch, two pedals, IP65 enclosure, screw fixing, 3 m cable entry. AC-15 5 A rated. Active production. Sourced to order via RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Limit Switches"],"specifications":{"Depth":"34 mm","Width":"212 mm","title":"3SE3934-5CB20","Height":"108 mm","Latching":"No","Interlock":"No","description":"Pedal switch 2 change-over contacts 2-pedal, without protective cover","lifecycle_stage":"current","Cable Entry Type":"cable, 3 m","Fastening Method":"screw fixing","Of The Enclosure":"black","Product Brand Name":"SIRIUS","Product Designation":"momentary-contact foot switch","protection class IP":"IP65","Material Of The Enclosure":"plastic with total insulation","Number Of Switching Steps":"1","Of The Enclosure Top Part":"black","Substance Prohibitance (Date)":"07/01/2006","Number Of The Actuation Pedals":"2","Suitability For Use Safety Switch":"No","Ambient Temperature During Operation":"-10 ... +75 °C","reference code according to IEC 81346-2":"S","number of NC contacts for auxiliary contacts":"0","number of NO contacts for auxiliary contacts":"0","operational current at AC-15 at 230 V rated value":"5 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$95.25","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/c464a7b57cc916c0fd0958b5fcc90177.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=456216&mlfb=3SE3934-5CB20"},"ai":{"faq":[{"question":"What are the key dimensions?","answer":"Width 212 mm, height 108 mm, depth 34 mm. Screw fixing; the part is not DIN-rail mountable."},{"question":"What is the IP rating and environmental range?","answer":"IP65 enclosure, plastic with total insulation. Operating temperature from -10 to +75 °C."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3SE3934-5CB20","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/3SE3934-5CB20 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}}