{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SU1444-1RC32","brand":"Siemens","brandSlug":"siemens","productSlug":"5SU1444-1RC32","canonicalUrl":"https://aoctrl.com/siemens/5SU1444-1RC32","factsUrl":"https://aoctrl.com/api/mcp/products/5SU1444-1RC32","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON RCBO, 5SU1444-1RC32, 32 A, 4-pole, C characteristic, Type AC, 100 mA, 10 kA (EN 60898), 7 MW, IP20.","salesMarkdown":"The 100 mA residual sensitivity (Type AC) catches sinusoidal AC earth faults; it's the right choice for general-purpose circuits without non-sinusoidal or pulsating DC fault profiles. Type AC is the most common and economical, but if your load includes VFDs, UPS systems, or switched-mode power supplies that generate smooth DC or pulsed waveforms, you'd want a Type A or F device instead — this one won't trip on those fault shapes. Pollution degree 2 (non-conductive, occasional condensation) is typical for enclosed panels in climate-controlled or moderately humid environments. The 70 mm installation depth matches standard SENTRON RCBO footprints, so it fits existing distribution board cutouts without rework. IP20 with conductors connected, so it's for enclosed panels only, not for wet or washdown areas.","metaTitle":"Siemens SENTRON 5SU1444-1RC32 RCBO, 32A, 4P, C-curve, 100mA,","metaDescription":"Siemens SENTRON 5SU1444-1RC32 RCBO, 32 A, 4-pole, Type AC, 100 mA residual current, C characteristic, 10 kA (EN 60898). Active production. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Residual Current Breakers (RCCB/RCBO)"],"specifications":{"Depth":"70 mm","Width":"126 mm","title":"5SU1444-1RC32","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","description":"RCBO 32 A 4-pole 8 modules C characteristic Type AC 100mA","Design Of Pole":"4P","Number Of Poles":"4","lifecycle_stage":"current","Mounting Position":"any","Installation Depth":"70 mm","Product Brand Name":"SENTRON","Degree Of Pollution":"2","Operating Frequency":"50 Hz","Product Designation":"RCBO","at AC / rated value":"32 A","protection class IP":"IP20, if the distribution board is installed, with connected conductors","Overvoltage Category":"III","Residual Current Type":"AC","Energy Limitation Class":"3","according to EN 61346-2":"F","according to IEC 81346-2":"F","Number Of Modular Width Units":"7","Tripping Characteristic Class":"C","Position / Of Power Supply Cord":"Either top or bottom","Number Of Poles / With Protection":"4","according to EN 60898 / rated value":"10 kA","Tripping Fault Current / Rated Value":"100 mA","insulation voltage (Ui) / rated value":"440 V","Supply Voltage Frequency / Rated Value":"50 Hz","Surge Voltage Resistance / Rated Value":"4 V","according to IEC 60947-2 / rated value":"15 kA","Influence Of The Surrounding Temperature":"Max. 95% humidity","Type Of Voltage / Of The Operating Voltage":"AC"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/5afe3f53eb43f5992910b9dfb88439e6.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=71999&mlfb=5SU1444-1RC32"},"ai":{"faq":[{"question":"What is the breaking capacity of 5SU1444-1RC32?","answer":"10 kA per EN 60898 and 15 kA per IEC 60947-2, both at 50 Hz. The higher IEC figure applies when the device is used as a circuit breaker in industrial distribution per that standard."},{"question":"Where can I buy 5SU1444-1RC32?","answer":"Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SU1444-1RC32","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/5SU1444-1RC32 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}