{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SU1354-6KK40","brand":"Siemens","brandSlug":"siemens","productSlug":"5SU1354-6KK40","canonicalUrl":"https://aoctrl.com/siemens/5SU1354-6KK40","factsUrl":"https://aoctrl.com/api/mcp/products/5SU1354-6KK40","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SU1354-6KK40 RCBO, 1P+N, 40 A at 30 °C, Type B tripping characteristic, 10 kA per EN 60898, 15 kA per IEC 60947-2, 50 Hz, IP20, 2 MW units.","salesMarkdown":"It carries a Type B tripping characteristic, so it trips on short-circuit currents between 3 and 5 times the rated current — standard for general-purpose residential and commercial final circuits where no special inrush or high-harmonic loads are present. Rated 40 A at 30 °C ambient, the part is designed for 50 Hz supply systems at 230/240 V AC. Two breaking capacity ratings are listed: 10 kA according to EN 60898 (the standard for MCBs and RCBOs in household and similar installations) and 15 kA according to IEC 60947-2 (the standard for low-voltage switchgear and controlgear). Both ratings are at 230/240 V AC. ## Temperature derating — the real current rating The 40 A rating holds only at 30 °C ambient. Above that, the continuous current must be derated: 37.6 A at 40 °C, 36.4 A at 45 °C, 34.8 A at 50 °C, 32.4 A at 55 °C and 60 °C, 30.8 A at 65 °C, and 29.2 A at 70 °C. This RCBO occupies 2 modular width units (MW) on a DIN rail — 36 mm wide, 90 mm high, 77 mm deep, with an installation depth of 70 mm. Supply can enter from either the top or bottom, which simplifies wiring in tight enclosures. ## Construction and compliance Pollution degree 2 (non-conductive pollution only) and overvoltage category III (fixed installation with downstream sub-distribution) are the rated environmental conditions. Surge voltage resistance is 4 000 V, insulation voltage (Ui) is 264 V.","metaTitle":"Siemens 5SU1354-6KK40 SENTRON RCBO, 40 A, 10 kA, Type B","metaDescription":"Siemens 5SU1354-6KK40 SENTRON RCBO, 1P+N, 40 A rated at 30 °C, 10 kA per EN 60898, 15 kA per IEC 60947-2, Type B characteristic, 50 Hz, IP20. Current production. Available to order","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Residual Current Breakers (RCCB/RCBO)"],"specifications":{"Depth":"77 mm","Width":"36 mm","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Halogen-Free":"Yes","Silicon-Free":"Yes","Design Of Pole":"1P+N","Number Of Poles":"2","lifecycle_stage":"current","Mounting Position":"any","at AC rated value":"230/240 V","Installation Depth":"70 mm","Product Brand Name":"SENTRON","Degree Of Pollution":"2","Operating Frequency":"50 Hz","Product Designation":"RCBO","protection class IP":"IP20, if the distribution board is installed, with connected conductors","Overvoltage Category":"III","Design Of The Product":"Instantaneous","Weight With Packaging":"282 g","at 30 °C rated value":"40 A","at 40 °C rated value":"37.6 A","at 45 °C rated value":"36.4 A","at 50 °C rated value":"34.8 A","at 55 °C rated value":"32.4 A","at 60 °C rated value":"32.4 A","at 65 °C rated value":"30.8 A","at 70 °C rated value":"29.2 A","Energy Limitation Class":"3","For Testing Equipment Minimum":"195 V","Number Of Modular Width Units":"2","Position Of Power Supply Cord":"Either top or bottom","Tripping Characteristic Class":"B","Number Of Poles With Protection":"1","according to EN 60898 rated value":"10 kA","insulation voltage (Ui) rated value":"264 V","Supply Voltage Frequency Rated Value":"50 Hz","Surge Voltage Resistance Rated Value":"4 000 V","according to IEC 60947-2 rated value":"15 kA","Surge Current Resistance At (8/20) μS":"1 kA","Influence Of The Surrounding Temperature":"Max. 95% humidity","Type Of Voltage Of The Operating Voltage":"AC","Mechanical Service Life (Operating Cycles) Typical":"10 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/a40a86bb3be2c5eddb94d5be20ad84bf.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=98493&mlfb=5SU1354-6KK40","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SU1354-6KK40/alternatives.json"},"ai":{"faq":[{"question":"Will 5SU1354-6KK40 drop into a panel specified around 5SL6516-6YA?","answer":"Mechanically yes — both are 2 MW units (36 mm wide) on DIN rail. But electrically no: the 5SU1354-6KK40 is an RCBO with a neutral pole and residual current function, while the 5SL6516-6YA is a single-pole MCB. The wiring and protection scheme would need to be redesigned."},{"question":"What are the key dimensions of 5SU1354-6KK40?","answer":"Width 36 mm (2 MW), height 90 mm, depth 77 mm, installation depth 70 mm."},{"question":"What compliance documentation does Siemens provide for 5SU1354-6KK40?","answer":"The part is halogen-free and silicon-free, which supports RoHS and REACH compliance. It is rated per EN 60898 (10 kA) and IEC 60947-2 (15 kA), with overvoltage category III and pollution degree 2. Standard Siemens declarations of conformity and material declarations are available on request."},{"question":"How do I get current pricing and availability for 5SU1354-6KK40?","answer":"Submit an RFQ through the storefront. The part is sourced to order through independent distribution; availability and current pricing are confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SU1354-6KK40","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/5SU1354-6KK40 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}}