{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SM1930-0","brand":"Siemens","brandSlug":"siemens","productSlug":"5SM1930-0","canonicalUrl":"https://aoctrl.com/siemens/5SM1930-0","factsUrl":"https://aoctrl.com/api/mcp/products/5SM1930-0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 5SM1930-0 leakage current measurement unit, Type A, 63 A, 4-pole, 0-300 mA, stationary measuring device, no alarm output.","salesMarkdown":"The Siemens 5SM1930-0 is a stationary leakage current measurement unit designed for Type A residual current detection. It is rated 63 A, 4-pole, with a fixed measuring range of 0-300 mA — meaning it continuously monitors for sinusoidal AC and pulsating DC fault currents down to 0.3 A, based on a residual current protection device architecture. There is no alarm output on this unit; it reports status through the upstream RCD or monitoring system rather than a local dry contact. Mounts as a stationary measuring device in the panel — no external current transformer is required, which saves DIN-rail space and reduces wiring. The 4-pole design covers three-phase plus neutral, typical for a 63 A feeder in a distribution board or machine supply. Because it has no alarm output, integration relies on the upstream RCD or PLC to pick up the trip signal from the residual current path.","metaTitle":"5SM1930-0 Leakage Current Measurement Unit, Type A, 63A, 0-3","metaDescription":"5SM1930-0 leakage current measurement unit, Type A, 4-pole, 63 A, 0-300 mA. Stationary measuring device, no alarm output. Current lifecycle stage. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Residual Current Breakers (RCCB/RCBO)"],"specifications":{"Alarm Output":"No","lifecycle_stage":"current","External Current Transformer":"No","Current Measuring Range / Initial Value":"0.3 A","Current Measuring Range / Full-Scale Value":"0.3 A","Design Of The Leakage Current Measuring Device / Stationary Measuring Device":"Yes"}},"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=436392&mlfb=5SM1930-0","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SM1930-0/alternatives.json"},"ai":{"faq":[{"question":"Does 5SM1930-0 have an alarm output?","answer":"No, this unit has no alarm output. It is a stationary measuring device that relies on the upstream residual current protection device for signaling."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SM1930-0","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/5SM1930-0 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}}