{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"4EP4000-0FS00","brand":"Siemens","brandSlug":"siemens","productSlug":"4EP4000-0FS00","canonicalUrl":"https://aoctrl.com/siemens/4EP4000-0FS00","factsUrl":"https://aoctrl.com/api/mcp/products/4EP4000-0FS00","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 4EP4000-0FS00 commutating choke for converter applications, 3-phase, 400 V AC, 60.8 A rated current, 0.42 mH inductance, IP00 open-frame.","salesMarkdown":"The Siemens 4EP4000-0FS00 is a three-phase commutating choke — a line reactor — designed for the DC link or input side of a converter (variable-frequency drive or rectifier). Its job is to limit current rise rates (di/dt), reduce harmonic distortion, and protect the converter's semiconductors from commutation notches and line transients. Rated for 60.8 A continuous with a maximum of 67.6 A at 50 Hz, it handles the full-load current of a drive sized in that range. Operating voltage is 400 V AC, three-phase, 50/60 Hz. ## Thermal and electrical ratings — what matters for fit Thermal class B (130 °C rise) per IEC 60085, with an ambient temperature rating of 40 °C. Total power loss splits between the coil (57 W) and the iron core (38.5 W), summing to about 95.5 W of heat that must be removed from the enclosure. That is the number to budget for in your panel thermal calculation. The DC-rated current of 82.8 A is higher than the AC figure — a reminder that the choke's saturation limit is set by the DC component in the current. If your drive's DC-link ripple current approaches that level, the inductance will begin to roll off. Termination is via flat-type connectors (flat terminal) on the main circuit — no screw-clamp or ring-lug option. Plan for a bus-bar or crimp-on flat tab interface in your wiring schedule. ## Integration notes Dimensions are 0.219 m wide × 0.179 m high × 0.143 m deep. The 143 mm depth is the critical dimension for panel depth clearance — verify your enclosure's internal depth against that figure plus any required bending radius for the flat connectors. The open-frame construction (IP00) means no integral mounting bracket or DIN-rail clip. It must be bolted directly to a panel backplate or chassis using the choke's own mounting feet. Confirm the foot pattern from the dimensional drawing before laying out your panel.","metaTitle":"Siemens 4EP4000-0FS00 Commutating Choke, 60.8 A, 0.42 mH","metaDescription":"Siemens 4EP4000-0FS00 commutating choke for converters. 3-phase, 400 V AC, 60.8 A rated / 67.6 A max, 0.42 mH. IP00. Sourced to order — request quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Line/Load Reactors"],"specifications":{"Depth":"0.143m","Width":"0.219m","Height":"0.179m","Maximum":"67.6A","Rated Value":"60.8A","Phase number":"3","Type of voltage":"AC","lifecycle_stage":"mature","at DC rated value":"82.8A","Product designation":"Kommut.-Drossel f. Stromrichter","Protection class IP":"IP00","Inductivity rated value":"0.00042H","Power loss [W] of the coil":"57W","Operating voltage rated value":"400, 400V","Ambient temperature rated value":"40°C","Operating frequency rated value":"60 ... 50Hz","Power loss [W] of the iron core":"38.5W","Thermal class acc. to IEC 60085":"B","Type of electrical connection for main current circuit":"flat connector","Relative inductive drop in voltage on the measurement level current, voltage and frequency":"3.5%"}},"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=165997&mlfb=4EP4000-0FS00","alternativesUrl":"https://aoctrl.com/api/mcp/products/4EP4000-0FS00/alternatives.json"},"ai":{"faq":[{"question":"What is the 4EP4000-0FS00 used for?","answer":"It is a three-phase commutating choke (line reactor) for converter inputs, rated 60.8 A / 400 V AC / 0.42 mH. It limits current rise rates and harmonics in the DC link or line side of a variable-frequency drive or rectifier."},{"question":"Where can I buy the 4EP4000-0FS00 and get a price?","answer":"This part is sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm quote."},{"question":"What are the key electrical ratings of the 4EP4000-0FS00?","answer":"Rated current 60.8 A AC, maximum 67.6 A AC, DC rated 82.8 A. Inductance 0.42 mH, relative inductive drop 3.5 %. Operating voltage 400 V AC three-phase, 50/60 Hz. Power loss ~95.5 W total at rated load."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/4EP4000-0FS00","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/4EP4000-0FS00 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}}