{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SP4480-8","brand":"Siemens","brandSlug":"siemens","productSlug":"5SP4480-8","canonicalUrl":"https://aoctrl.com/siemens/5SP4480-8","factsUrl":"https://aoctrl.com/api/mcp/products/5SP4480-8","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SP4480-8, miniature circuit breaker, 4-pole, D tripping characteristic, 80 A, 10 kA breaking capacity at 400 V AC per EN 60898, 440 V AC multi-phase, 6 MW units, DIN rail and screw fixing.","salesMarkdown":"## 80 A D-curve MCB for motor and transformer circuits The D-curve (10–20× In magnetic trip) avoids nuisance tripping on startup surges, so this is the right choice for a motor branch circuit or a large power supply feed, not a general lighting panel. Snaps onto DIN rail or accepts screw fixing — both methods are rated, so you can use whichever your panel shop prefers. At 6 modular width units (108 mm wide), it occupies six 18 mm slots on the rail. The tunnel terminals top and bottom accept conductors up to the usual MCB range; position of the supply cord is any, so line/load orientation is flexible. ## Environmental and service conditions Shock and vibration resistance per IEC 60068-2-27 and -6 are specified, so it holds up on machinery subject to moderate impacts.","metaTitle":"Siemens 5SP4480-8 SENTRON MCB, 4P D 80A 10kA","metaDescription":"Siemens SENTRON 5SP4480-8 miniature circuit breaker, 4-pole D-curve 80 A, 10 kA per EN 60898, 400/440 V AC. Active production. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["4-Pole MCB (DIN Rail)"],"specifications":{"Depth":"76 mm","Width":"108 mm","title":"5SP4480-8","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","description":"Miniature circuit breaker 400 V 10kA, 4-pole, D, 80 A, D=70 mm","Halogen-Free":"Yes","Silicon-Free":"Yes","Design Of Pole":"4P","Number Of Poles":"4","lifecycle_stage":"current","Fastening Method":"DIN rail and screw fixing","Mounting Position":"any","at AC rated value":"440 V","Installation Depth":"70 mm","Product Brand Name":"SENTRON","Degree Of Pollution":"3","Product Designation":"Miniature circuit breaker","protection class IP":"IP20 with connected conductors, IP40 in the area of the handle with distribution cover","Overvoltage Category":"3","Tunnel Terminals Top":"Yes","Design Of The Product":"5SP Miniature circuit breakers","Tunnel Terminals Bottom":"Yes","Number Of Modular Width Units":"6","Position Of Power Supply Cord":"Any","Tripping Characteristic Class":"D","supply voltage at AC rated value":"400 V","according to EN 60898 rated value":"10 kA","Influence Of The Surrounding Temperature":"Max. 95% rel. humidity","Type Of Voltage Of The Operating Voltage":"AC","Value Range Of The Supply Voltage Frequency":"50/60 Hz","shock resistance according to IEC 60068-2-27":"150m/s² at 11ms half-sine","with multi-phase operation at AC rated value":"440 V","vibration resistance according to IEC 60068-2-6":"50m/s² at 25 to 150Hz and 60m/s² at 35Hz (4sec)","Mechanical Service Life (Operating Cycles) Typical":"10 000","Product Extension Installable Supplementary Devices":"Yes","power loss [W] for rated value of the current at AC in hot operating state per pole":"7 W"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/a77c314023e86067337c84aad6f5c612.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=228480&mlfb=5SP4480-8"},"ai":{"faq":[{"question":"Will 5SP4480-8 drop into a panel specified around 5SP4380-7 without rewiring?","answer":"Both are 4-pole SENTRON 5SP series MCBs on the same DIN-rail footprint with tunnel terminals, so mechanical fit is identical. The difference is the rating: 5SP4480-8 is 80 A D-curve, while 5SP4380-7 is a different current/curve variant. If the panel was wired for a lower-rated MCB, the conductors and upstream protection must be verified for the 80 A load before substitution."},{"question":"What is the breaking capacity of 5SP4480-8?","answer":"10 kA at 400 V AC per EN 60898, with a multi-phase AC rated voltage of 440 V. This is the standard breaking capacity for industrial distribution boards; for higher fault currents you would need a current-limiting upstream device or a higher-rated MCB series."},{"question":"Where can I buy 5SP4480-8?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution channels. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm landed-cost picture."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SP4480-8","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/5SP4480-8 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}}