{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"4EP3801-5DS00","brand":"Siemens","brandSlug":"siemens","productSlug":"4EP3801-5DS00","canonicalUrl":"https://aoctrl.com/siemens/4EP3801-5DS00","factsUrl":"https://aoctrl.com/api/mcp/products/4EP3801-5DS00","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 4EP3801-5DS00 commutating choke for converters, 3-phase, 400V AC, 50Hz, 35.5A max, 31.95A rated, IP00, screw terminals.","salesMarkdown":"The Siemens 4EP3801-5DS00 is a 3-phase commutating choke (line reactor) for converter applications, rated at 400 V AC, 50 Hz, with a maximum continuous current of 35.5 A and a rated current of 31.95 A. It's the inductive element that limits current rise and harmonics on the AC side of a variable-speed drive or rectifier — without it, the converter's switching noise reflects back into the line and the DC link sees higher ripple. The 35.5 A maximum and 31.95 A rated current define the thermal envelope. The 35.5 A figure is the absolute limit at 40 °C ambient; the 31.95 A is the continuous rating at that same ambient. If your drive's input current exceeds 31.95 A RMS, you'll need to either derate or step up to a larger choke. The 43.5 A DC rating applies if you're using it in a DC-link circuit — that's the current it can carry on the DC side, which is typically higher because DC has no skin-effect heating. Power loss breaks into 59 W in the coil and 19.7 W in the iron core, totaling about 79 W at rated load. The thermal class B means the insulation system is rated for a 130 °C hot-spot temperature, which is standard for industrial chokes and gives reasonable overload headroom. IP00 means no ingress protection — the choke is an open-frame component. The screw-type terminals accept standard ring or fork lugs; no special tooling needed. The choke measures 0.178 m wide, 0.153 m high, and 0.12 m deep. That's a 178 mm width — about 7 inches — so it needs a clear footprint on the mounting plate. No DIN-rail clip; it's a bolt-down component. Plan for adequate clearance around the screw terminals for cable bending radius and tool access.","metaTitle":"Siemens 4EP3801-5DS00 Commutating Choke, 35.5A, 400V, 50Hz","metaDescription":"Siemens 4EP3801-5DS00 commutating choke for converters. 3-phase, 400V AC, 50Hz, 35.5A max, 31.95A rated. IP00, screw terminals. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Line/Load Reactors"],"specifications":{"Depth":"0.12m","Width":"0.178m","Height":"0.153m","Maximum":"35.5A","Rated Value":"31.95A","Phase number":"3","Type of voltage":"AC","lifecycle_stage":"mature","at DC rated value":"43.5A","Product designation":"Kommut.-Drossel f. Stromrichter","Protection class IP":"IP00","Inductivity rated value":"0.001H","Power loss [W] of the coil":"59W","Operating voltage rated value":"400V","Ambient temperature rated value":"40°C","Operating frequency rated value":"50Hz","Power loss [W] of the iron core":"19.7W","Thermal class acc. to IEC 60085":"B","Type of electrical connection for main current circuit":"screw-type terminals","Relative inductive drop in voltage on the measurement level current, voltage and frequency":"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=49831&mlfb=4EP3801-5DS00","alternativesUrl":"https://aoctrl.com/api/mcp/products/4EP3801-5DS00/alternatives.json"},"ai":{"faq":[{"question":"Who supplies the 4EP3801-5DS00 and how is it quoted for volume purchases?","answer":"We source the 4EP3801-5DS00 through our multi-supplier network. For volume purchases or BOM commitments, submit an RFQ and we'll return a firm price and lead time. Availability is confirmed at quote time."},{"question":"What are the key specifications of the 4EP3801-5DS00?","answer":"It's a 3-phase commutating choke rated 400 V AC, 50 Hz, with a maximum current of 35.5 A and a rated current of 31.95 A. Inductance is 0.001 H, relative inductive voltage drop is 5%. Power loss totals about 79 W at rated load. Protection class is IP00, and connections are screw-type terminals."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/4EP3801-5DS00","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/4EP3801-5DS00 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}}