{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SU1356-1KV16","brand":"Siemens","brandSlug":"siemens","productSlug":"5SU1356-1KV16","canonicalUrl":"https://aoctrl.com/siemens/5SU1356-1KV16","factsUrl":"https://aoctrl.com/api/mcp/products/5SU1356-1KV16","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 5SU1356-1KV16, FI/LS-protector Type AC (WS), D=70mm, IΔn 30mA, 6kA, 1+N-pole C 16A.","salesMarkdown":"The Siemens 5SU1356-1KV16 is a combined residual-current device and miniature circuit breaker — an FI/LS-protector — in a single 1+N-pole unit. It carries a Type AC (wave-shaped) residual-current detection with a 30 mA trip threshold, a 6 kA short-circuit breaking capacity, and a C-curve 16 A overcurrent characteristic. The 70 mm depth fits standard DIN-rail distribution boards. ## Deployment context Snap-on DIN-rail mounting for enclosure integration. The 1+N-pole format (switched phase + switched neutral) is required in many national wiring regulations for circuits where the neutral must be isolated on fault. Type AC detection covers sinusoidal AC residual currents — the common case for resistive and inductive loads without power electronics. If your circuit includes variable-speed drives, LED lighting, or other non-linear loads generating pulsed DC fault currents, a Type A or Type F device would be needed instead.","metaTitle":"Siemens 5SU1356-1KV16 FI/LS Protector, 30mA, 6kA, 1+N C16A","metaDescription":"Siemens 5SU1356-1KV16 FI/LS-protector, Type AC, 30mA, 6kA, 1+N-pole C 16A. 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=203343&mlfb=5SU1356-1KV16","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SU1356-1KV16/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy the 5SU1356-1KV16 and how is it quoted?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — no stock or price figures are held on this listing."},{"question":"What does the description FI/LS-PROTECTOR TYPE AC (WS), D=70MM IFN 30MA, 6KA, 1+N-POLE C 16A mean?","answer":"It is a combined RCD/MCB (FI/LS-protector) with Type AC residual-current detection, 30 mA trip sensitivity, 6 kA short-circuit breaking capacity, a 1+N-pole configuration (switched phase and neutral), and a C-curve 16 A overcurrent characteristic. The 70 mm depth is the device's front-to-back dimension for enclosure fit."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SU1356-1KV16","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/5SU1356-1KV16 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}}