{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"4EP4000-1QS00","brand":"Siemens","brandSlug":"siemens","productSlug":"4EP4000-1QS00","canonicalUrl":"https://aoctrl.com/siemens/4EP4000-1QS00","factsUrl":"https://aoctrl.com/api/mcp/products/4EP4000-1QS00","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIDAC series, output reactor, 3-phase AC, 350V, 15.5A max, 8000 Hz, 0.7 mH, IP00, screw terminals, 4EP4000-1QS00.","salesMarkdown":"The Siemens 4EP4000-1QS00 is a 3-phase AC output reactor from the SIDAC series, rated for a maximum continuous current of 15.5 A and a rated frequency of 8000 Hz. It's designed to sit between a variable-frequency drive and the motor, smoothing the voltage spikes and limiting the rate of rise (dV/dt) that long cable runs or fast-switching IGBTs can cause. The 0.7 mH inductance and 350 V voltage class (per the description) tell you it's sized for a specific motor load impedance — not a generic filter. Screw terminals for the main circuit keep wiring straightforward for a panel builder. The 8000 Hz rated frequency is the key number here — that's the switching frequency of the drive's output stage, not the motor's running speed. If your drive's IGBTs are switching at 8 kHz or below, this reactor is in its sweet spot. Push the carrier frequency higher and the core losses climb; you'd derate or look for a reactor rated for 12 or 16 kHz. The 15.5 A maximum is the thermal current limit at 40 °C ambient (the rated ambient temperature). That's the continuous RMS current the reactor can carry without exceeding Class B insulation temperature rise (130 °C total, per IEC 60085). If your motor draws 14 A full-load and the drive is sized for 15 A, this reactor is matched. The 65 W coil loss plus 45 W iron core loss — 110 W total — is heat that stays inside the panel, so factor it into your enclosure cooling calculation. Dimensions: 0.21 m wide, 0.17 m tall, 0.14 m deep. IP00 open-frame. Screw terminals.","metaTitle":"Siemens 4EP4000-1QS00 SIDAC Output Reactor, 15.5A 8000Hz","metaDescription":"Siemens 4EP4000-1QS00 SIDAC output reactor, 3-phase AC, 15.5A max, 8000 Hz rated frequency, 0.7 mH inductance, 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":"0.14m","Width":"0.21m","Height":"0.17m","Maximum":"15.5A","Rated Value":"8 000Hz","Phase number":"3","Type of voltage":"AC","lifecycle_stage":"mature","Product brand name":"SIDAC","Product designation":"output reactor","Protection class IP":"IP00","Inductivity rated value":"0.0007H","Power loss [W] of the coil":"65W","Ambient temperature rated value":"40°C","Power loss [W] of the iron core":"45W","Thermal class acc. to IEC 60085":"B","Type of electrical connection for main current circuit":"screw-type terminals"}},"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=488140&mlfb=4EP4000-1QS00","alternativesUrl":"https://aoctrl.com/api/mcp/products/4EP4000-1QS00/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/4EP4000-1QS00","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/4EP4000-1QS00 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}}