{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY4102-8CV","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY4102-8CV","canonicalUrl":"https://aoctrl.com/siemens/5SY4102-8CV","factsUrl":"https://aoctrl.com/api/mcp/products/5SY4102-8CV","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 5SY4102-8CV, 1-pole miniature circuit breaker (MCB), D tripping characteristic, rated 15 kA breaking capacity per IEC 60947-2, 230/400 V AC, 18 mm width.","salesMarkdown":"It's built for industrial panel duty — mechanical engineering and industry applications per the spec — where high inrush currents from motor starters, transformers, or power supplies would nuisance-trip a C-curve breaker. The D curve means it holds through starting surges up to 10–20× rated current before opening, so it's the right pick for the load side of a motor branch circuit, not the lighting or socket-outlet circuit. Rated 15 kA at 230/400 V AC (multi-phase) per IEC 60947-2. For a 400 V industrial panel with a transformer kVA rating that keeps prospective fault current under that number, this breaker coordinates. AC operating voltage: 230 V single-phase, 440 V multi-phase. DC maximum is 72 V — so it's usable on DC control circuits up to 48 V nominal, but not for 110 V DC battery banks. Frequency 50/60 Hz, standard mains. Mechanical service life 10,000 operating cycles typical. Vibration resistance per IEC 60068-2-6: ±1 mm at 5–25 Hz, 50 m/s² at 25–150 Hz — survives the shake of a conveyor line or compressor skid. Temperature range -40 °C to 75 °C, with derating on humidity above 55 °C (max 95% RH at 55 °C, tapering to 35% at 75 °C). Combined terminals top and bottom — accepts both busbar and conductor without swapping parts. Sealable with a lead seal or wire seal for metering or safety isolation circuits where tamper evidence is required. Neutral conductor switching is not provided (single-pole only, no switched neutral). Supply cord position any — no orientation constraint when landing the feed.","metaTitle":"Siemens 5SY4102-8CV MCB, 1P D2, 15 kA IEC 60947-2","metaDescription":"Siemens 5SY4102-8CV miniature circuit breaker, 1-pole, D characteristic, 15 kA breaking capacity per IEC 60947-2. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["1-Pole MCB (DIN Rail)"],"specifications":{"Depth":"76 mm","Width":"18 mm","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","Standard":"IEC / EN 60947-2","Halogen-Free":"Yes","Silicon-Free":"Yes","Design Of Pole":"1P","Number Of Poles":"1","lifecycle_stage":"current","Fastening Method":"Quick assembly system","Mounting Position":"any","at AC rated value":"230 V","Installation Depth":"70 mm","Degree Of Pollution":"3","protection class IP":"IP20, with connected conductors","Overvoltage Category":"III","Combined Terminal Top":"Yes","Combined Terminal Bottom":"Yes","Suitability For Operation":"Mechanical engineering / industry","Neutral Conductor Switching":"No","Number Of Modular Width Units":"1","Position Of Power Supply Cord":"Any","Tripping Characteristic Class":"D","Supply Voltage Frequency Rated Value":"50/60 Hz","according to IEC 60947-2 rated value":"15 kA","Influence Of The Surrounding Temperature":"max. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C","Type Of Voltage Of The Operating Voltage":"AC","operating voltage at DC rated value maximum":"72 V","with multi-phase operation at AC rated value":"440 V","vibration resistance according to IEC 60068-2-6":"±1mm at 5 to 25Hz; 50m/s² at 25 to 150Hz","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":"1.2 W"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1531861&mlfb=5SY4102-8CV","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SY4102-8CV/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of 5SY4102-8CV?","answer":"15 kA rated value according to IEC 60947-2 at 230/400 V AC. That's the maximum fault current it can safely interrupt."},{"question":"Will 5SY4102-8CV drop into a panel specified for 5SY4101-7CV without rewiring?","answer":"Yes — both are 1-pole, 18 mm wide, same mounting and terminal layout. The difference is the tripping curve: 5SY4101-7CV is C-curve (5–10× In), while 5SY4102-8CV is D-curve (10–20× In). If the panel was designed for a C-curve breaker, swapping to D-curve changes the coordination — verify the load's inrush profile and the upstream protective device before substituting."},{"question":"What compliance documentation does Siemens provide for 5SY4102-8CV?","answer":"The breaker is certified to IEC / EN 60947-2. It is halogen-free and silicon-free. For RoHS, REACH, and specific UL documentation, request the manufacturer's declaration of conformity with your RFQ — these are typically provided as part of the compliance package for industrial control gear."},{"question":"Where can I buy 5SY4102-8CV and how is it quoted?","answer":"Sourced through independent industrial-automation distribution. Submit an RFQ for the quantity and target price; availability and current pricing are confirmed at quote time against the specific volume and delivery window."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY4102-8CV","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/5SY4102-8CV 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}}