{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"4EM5317-5CB00","brand":"Siemens","brandSlug":"siemens","productSlug":"4EM5317-5CB00","canonicalUrl":"https://aoctrl.com/siemens/4EM5317-5CB00","factsUrl":"https://aoctrl.com/api/mcp/products/4EM5317-5CB00","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIDAC series, smoothing choke (Glaettungsdrossel), order code 4EM5317-5CB00, 1-phase DC, 40 A rated, 750 V insulation, 3 mH, IP00, screw terminals.","salesMarkdown":"## DC link choke for 40 A / 750 V DC bus The Siemens SIDAC 4EM5317-5CB00 is a single-phase smoothing choke (Glaettungsdrossel) designed to sit in the DC link of a drive or converter system, filtering current ripple and limiting fault current rise rates. It is rated for a continuous DC current of 40 A with a rated value of 36 A at an operating voltage of 750 V DC. The 3 mH inductance defines the smoothing performance and the energy content of 2.4 Ws indicates the stored energy available during a switching event. Total power loss is 48.2 W, split between the coil (47.1 W) and the iron core (1.1 W), which must be dissipated in the enclosure. The thermal class B rating per IEC 60085 means the insulation system withstands a continuous hot-spot temperature of 130 °C, a standard class for dry-type inductors in industrial power converters. The choke measures 151 mm wide by 151 mm high by 129 mm deep — roughly a 6-inch cube. Connections are via screw-type terminals, which accept standard power wiring without special tools. At 40 °C ambient the choke delivers its full 40 A DC rating. Derating applies above that temperature per the thermal curve; the 48.2 W total loss heats the surrounding air, so forced ventilation or adequate cabinet volume is recommended for continuous duty.","metaTitle":"Siemens SIDAC 4EM5317-5CB00 Smoothing Choke, 40A DC, 750V","metaDescription":"Siemens SIDAC 4EM5317-5CB00 smoothing choke (DC link inductor). Rated 40 A DC, 750 V, 3 mH. IP00, screw terminals. Mature lifecycle; sourced to order. Request a quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Line/Load Reactors"],"specifications":{"Depth":"0.129m","Width":"0.151m","Height":"0.151m","Maximum":"40A","Rated Value":"36A","Phase number":"1","Energy content":"2.4W","Type of voltage":"DC","lifecycle_stage":"mature","Product brand name":"SIDAC","Product designation":"Glaettungsdrossel","Protection class IP":"IP00","Inductivity rated value":"0.003H","Power loss [W] of the coil":"47.1W","Operating voltage rated value":"750V","Ambient temperature rated value":"40°C","Operating frequency rated value":"0Hz","Power loss [W] of the iron core":"1.1W","Thermal class acc. to IEC 60085":"B","Product function windings in parallel selectable":"No","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=319757&mlfb=4EM5317-5CB00","alternativesUrl":"https://aoctrl.com/api/mcp/products/4EM5317-5CB00/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy the 4EM5317-5CB00?","answer":"This smoothing choke is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"What are the key electrical ratings of the 4EM5317-5CB00?","answer":"It is rated for 40 A DC continuous current (36 A rated value) at 750 V DC operating voltage, with 3 mH inductance and a total power loss of 48.2 W."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/4EM5317-5CB00","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/4EM5317-5CB00 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}}