{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY6432-6","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY6432-6","canonicalUrl":"https://aoctrl.com/siemens/5SY6432-6","factsUrl":"https://aoctrl.com/api/mcp/products/5SY6432-6","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SY6432-6, 4-pole miniature circuit breaker, B-curve, 6 kA (IEC/EN 60898-1) / 15 kA (IEC 60947-2), 400 V AC, 72 mm wide, IP20.","salesMarkdown":"The Siemens 5SY6432-6 is a 4-pole SENTRON miniature circuit breaker with a B-curve trip characteristic, rated 6 kA breaking capacity per IEC/EN 60898-1 and 15 kA per IEC 60947-2 at 400 V AC. The IP20 enclosure (with conductors connected) suits clean, dry panel environments — typical for distribution boards and control cabinets in mechanical engineering and industrial settings. ## Breaking capacity and dual standard rating The 6 kA rating under IEC/EN 60898-1 covers residential and light commercial branch circuits. The 15 kA rating under IEC 60947-2 (and matching 15 kA at DC) means this breaker also qualifies for industrial panel SCCR requirements where higher fault currents are expected. That dual rating is the main reason to reach for this over a standard 6 kA-only MCB — it gives you headroom without swapping to a larger frame. ## Integration notes The quick-assembly fastening method and combined top/bottom terminals speed wiring. Sealable design allows lockout/tagout.","metaTitle":"Siemens 5SY6432-6 SENTRON MCB, 4P B-Curve, 6kA IEC/EN 60898-","metaDescription":"Siemens 5SY6432-6 SENTRON miniature circuit breaker, 4-pole, B-curve, 6 kA per IEC/EN 60898-1 and 15 kA per IEC 60947-2. Active production, sourced to order. Request quote for pric","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["4-Pole MCB (DIN Rail)"],"specifications":{"Depth":"76 mm","Width":"72 mm","title":"5SY6432-6","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","Standard":"IEC / EN 60898-1, IEC / EN 60947-2 / UL1077","description":"Miniature circuit breaker 400 V 6kA, 4-pole, B, 32 A, D=70 mm","Halogen-Free":"Yes","Silicon-Free":"Yes","Design Of Pole":"4P","Number Of Poles":"4","lifecycle_stage":"current","Fastening Method":"Quick assembly system","Mounting Position":"any","at AC rated value":"400 V","at DC rated value":"60 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","Overvoltage Category":"III","Combined Terminal Top":"Yes","Energy Limitation Class":"3","Combined Terminal Bottom":"Yes","Suitability For Operation":"Mechanical engineering / industry","Neutral Conductor Switching":"No","Number Of Modular Width Units":"4","Position Of Power Supply Cord":"Any","Tripping Characteristic Class":"B","according to EN 60898 rated value":"6 kA","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","at DC according to IEC 60947-2 rated value":"15 kA","Value Range Of The Supply Voltage Frequency":"50/60 Hz","operating voltage at DC rated value maximum":"72 V","with multi-phase operation at AC rated value":"440 V","with single-phase operation at AC rated value":"440 V","at AC according to UL 1077 and CSA C22.2 No.235":"5 kA","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","supply voltage with single-phase operation at AC rated value":"230 V","power loss [W] for rated value of the current at AC in hot operating state per pole":"2.6 W"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/b3cdaf03214a808e8e9cc3a9356e3f66.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=275943&mlfb=5SY6432-6"},"ai":{"faq":[{"question":"How do I get current pricing and availability for 5SY6432-6?","answer":"Pricing and stock are confirmed at quote time. Submit an RFQ through this listing; we source the part to order via independent distribution and respond with current availability and a firm price."},{"question":"What is the breaking capacity of 5SY6432-6?","answer":"6 kA per IEC/EN 60898-1 and 15 kA per IEC 60947-2 at 400 V AC. At DC (per IEC 60947-2) it is also rated 15 kA. Under UL 1077 / CSA C22.2 No.235 it carries 5 kA."},{"question":"What compliance documentation does Siemens provide for 5SY6432-6?","answer":"The breaker is certified to IEC / EN 60898-1, IEC / EN 60947-2, and UL 1077 / CSA C22.2 No.235. It is halogen-free and silicon-free. Standard documentation includes the declaration of conformity and the datasheet."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY6432-6","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/5SY6432-6 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}}