{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SU1354-7LB25","brand":"Siemens","brandSlug":"siemens","productSlug":"5SU1354-7LB25","canonicalUrl":"https://aoctrl.com/siemens/5SU1354-7LB25","factsUrl":"https://aoctrl.com/api/mcp/products/5SU1354-7LB25","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SU1354-7LB25 RCBO, 1P+N, C-curve, 25 A rated at 30 °C, 10 kA per EN 60898 / 20 kA per IEC 60947-2, short-time delayed G, super resistant K, 77 mm depth, 36 mm width.","salesMarkdown":"The thermal derating table is provided: 23.5 A at 40 °C, 22.75 A at 45 °C, 21.75 A at 50 °C, 20.25 A at 55 °C and 60 °C, 19.25 A at 65 °C, and 18.25 A at 70 °C. The 20 kA figure gives headroom for high-fault locations near a transformer or in an industrial distribution board where prospective short-circuit current exceeds 10 kA. The design variant is short-time delayed G (residual-current element with intentional delay to coordinate with downstream RCDs) and super resistant K (high immunity to nuisance tripping from surge currents and voltage spikes). Installation depth behind the panel is 70 mm; the overall depth including terminals is 77 mm. Height is 90 mm. Halogen-free and silicon-free construction — important for panels in environments where outgassing from a fault could corrode nearby contacts or where clean-room / food-grade specifications apply. Pollution degree 2 (normally non-conductive, occasional condensation). Test circuit requires a minimum of 195 V to operate the test button — verify the phase-to-neutral voltage at the installation point meets this threshold for periodic functional testing.","metaTitle":"Siemens 5SU1354-7LB25 SENTRON RCBO, 25 A C-curve, 10/20 kA","metaDescription":"Siemens 5SU1354-7LB25 SENTRON RCBO, 1P+N, 25 A, C-curve, 10 kA (EN 60898) / 20 kA (IEC 60947-2). Active production. Halogen-free. Sourced to order. Request quote.","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":"50/60 Hz","Product Designation":"RCBO","protection class IP":"IP20, if the distribution board is installed, with connected conductors","Overvoltage Category":"III","Design Of The Product":"Short-time delayed G, super resistant K","Weight With Packaging":"286 g","at 30 °C rated value":"25 A","at 40 °C rated value":"23.5 A","at 45 °C rated value":"22.75 A","at 50 °C rated value":"21.75 A","at 55 °C rated value":"20.25 A","at 60 °C rated value":"20.25 A","at 65 °C rated value":"19.25 A","at 70 °C rated value":"18.25 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":"C","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":"20 kA","Surge Current Resistance At (8/20) μS":"3 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/a2f7aa3c2f7beb69eb1cec895a90ca18.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=322845&mlfb=5SU1354-7LB25","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SU1354-7LB25/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of the 5SU1354-7LB25?","answer":"10 kA per EN 60898 and 20 kA per IEC 60947-2. The 20 kA rating applies under the industrial standard, giving higher fault-current headroom."},{"question":"How do I get current pricing and availability for the 5SU1354-7LB25?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"Will the 5SU1354-7LB25 drop into a panel specified around the 5SU9354-7KK16?","answer":"Both are 1P+N RCBOs in the SENTRON family with the same 36 mm width and 2 MW footprint, so the mechanical fit and wiring are identical. The difference is in the residual-current characteristic: the 5SU1354-7LB25 is short-time delayed G / super resistant K, while the 5SU9354-7KK16 uses a different characteristic — verify the selectivity and nuisance-trip requirements of your circuit before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SU1354-7LB25","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/5SU1354-7LB25 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}}