{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY7310-8MA","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY7310-8MA","canonicalUrl":"https://aoctrl.com/siemens/5SY7310-8MA","factsUrl":"https://aoctrl.com/api/mcp/products/5SY7310-8MA","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SY7310-8MA, miniature circuit breaker, 3-pole, 10 A, D-characteristic, 400 V AC, 25 kA per IEC 60947-2, magnetic-only trip.","salesMarkdown":"Three poles, 3 width units (54 mm), and it snaps onto a DIN rail — standard panel integration. The D-curve (tripping characteristic D) means the magnetic trip fires at 10–20× rated current — so for this 10 A breaker, instant trip between 100 A and 200 A. That's the right window for motor circuits or other inductive loads that draw a short high surge on energization. On a 400 V industrial panel with a transformer upstream, that's a solid safety margin. The magnetic-only design (no bimetal) also means no thermal derating from ambient heat — it's rated for -35 to +70 °C ambient, and the trip point stays consistent across that range. ## Terminal and wiring detail Combined terminals top and bottom, so you can feed through or loop out without extra connectors. Sealable, halogen-free, silicon-free — relevant for food processing or clean-room panels where outgassing matters.","metaTitle":"Siemens 5SY7310-8MA SENTRON MCB, 10A D-curve, 3-pole, 25kA","metaDescription":"Siemens 5SY7310-8MA SENTRON miniature circuit breaker, 10 A rated, D tripping characteristic, 3-pole, 400 V AC, 25 kA breaking capacity per IEC 60947-2. Current production. Quoted","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["3-Pole MCB (DIN Rail)"],"specifications":{"Depth":"76 mm","Solid":"0.75 ... 35 mm²","Width":"54 mm","title":"5SY7310-8MA","Height":"90 mm","Sealable":"Yes","Stranded":"0.75 ... 35 mm²","Rated Value":"50/60 Hz","description":"Miniature circuit breakers 400v Icu 25kA 3-pole, 10A, only magnetic","Halogen-Free":"Yes","Silicon-Free":"Yes","Mounting type":"Quick assembly system","During Storage":"-40 ... +75 °C","Number of poles":"3","Type of voltage":"AC","lifecycle_stage":"current","Mounting position":"any","Installation depth":"70 mm","Product brand name":"SENTRON","Ambient temperature":"-35 ... +70 °C","Product designation":"Miniature circuit breaker","Protection class IP":"IP20, with connected conductors","at AC / rated value":"400 V","Overvoltage category":"III","Combined Terminal Top":"Yes","Design of the product":"Only magnetic tripping operation","Number of width units":"3","Number of poles / Note":"3P","acc. to DIN EN 61346-2":"F","acc. to DIN EN 81346-2":"F","Combined Terminal Bottom":"Yes","circuit-breaker / Design":"5SY7MA","Suitability for operation":"Industry","Current / at AC / rated value":"10 A","Tripping characteristic class":"D","at DC / rated value / maximum":"72 V","Position / of power supply cord":"Any","acc. to IEC 60947-2 / rated value":"25 kA","Product feature / Touch protection":"Yes","Influence of the surrounding temperature":"max. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C","Tightening torque / with screw-type terminals":"2.5 ... 3.5 N·m","Product function / neutral conductor switching":"No","with multi-phase operation / at AC / rated value":"440 V","with single-phase operation / at AC / rated value":"440 V","Mechanical service life (switching cycles) / typical":"10 000","Tightening torque [lbf·in] / with screw-type terminals":"22 ... 31 lbf·in"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/bf34f6fae8c048c01625b1a4b0ba5aef.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=696509&mlfb=5SY7310-8MA"},"ai":{"faq":[{"question":"What is 5SY7310-8MA's listed depth?","answer":"The overall depth is 76 mm, with an installation depth of 70 mm behind the panel face."},{"question":"What wire sizes does the 5SY7310-8MA accept?","answer":"Solid or stranded copper from 0.75 mm² up to 35 mm², terminated under screw terminals torqued to 2.5–3.5 N·m."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY7310-8MA","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/5SY7310-8MA 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}}