{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SU1354-1KV40","brand":"Siemens","brandSlug":"siemens","productSlug":"5SU1354-1KV40","canonicalUrl":"https://aoctrl.com/siemens/5SU1354-1KV40","factsUrl":"https://aoctrl.com/api/mcp/products/5SU1354-1KV40","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 5SU1354-1KV40, FI/LS-PROTECTOR TYPE AC (WS), D=70MM IFN 30MA, 10KA, 1+N-POLE C 40A.","salesMarkdown":"## What this rating means on the rail The Siemens 5SU1354-1KV40 is a combined RCD/MCB — an FI/LS protector — in a single 1+N-pole module, rated C-curve 40 A with 30 mA residual-current sensitivity and 10 kA breaking capacity. That 30 mA trip threshold means it catches the leakage level that protects against direct-contact shock in standard TN and TT systems, while the C-curve holds the magnetic release for motor and lighting inrush up to about 5–10× rated current. The 70 mm depth (D=70MM) is the dimension from the DIN rail mounting surface to the front of the module — that's the space you need behind the cover or door.","metaTitle":"Siemens 5SU1354-1KV40 FI/LS Protector, Type AC, 30mA, 10kA,","metaDescription":"Siemens 5SU1354-1KV40 FI/LS protector, Type AC, 30mA sensitivity, 10kA breaking capacity, 1+N-pole C-curve 40A. 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":{"lifecycle_stage":"current"}},"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=92893&mlfb=5SU1354-1KV40","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SU1354-1KV40/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity and sensitivity of 5SU1354-1KV40?","answer":"It has a 10 kA breaking capacity and 30 mA residual-current sensitivity (Type AC). The 30 mA rating is the standard for personal shock protection in residential and light commercial circuits."},{"question":"Where can I buy 5SU1354-1KV40?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at the time of quote."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SU1354-1KV40","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/5SU1354-1KV40 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}}