{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY7520-7","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY7520-7","canonicalUrl":"https://aoctrl.com/siemens/5SY7520-7","factsUrl":"https://aoctrl.com/api/mcp/products/5SY7520-7","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SY7520-7 miniature circuit breaker, C-curve, 2-pole 1P+N, 15 kA (EN 60898) / 25 kA (IEC 60947-2), 230 V AC, 60 V DC.","salesMarkdown":"Rated 230 V AC single-phase (250 V single-phase operation) and 60 V DC, it handles the common control voltages in European and North American industrial plants. The C-curve tripping characteristic means it holds through motor inrush and transformer energization — a good match for mixed resistive-inductive loads on a machine circuit. Breaking capacity is rated 15 kA per EN 60898-1 and 25 kA per IEC 60947-2, with a 5 kA rating under UL 1077 / CSA C22.2 No.235 for North American acceptance. That 25 kA figure at the IEC standard means it can clear a high-fault bolted short on a 400V industrial bus without upstream coordination headaches. Any mounting position works, which saves time when you're cramming gear into a tight gland-plate layout. IP20 with connected conductors — fine inside a locked panel, but don't mount it where washdown spray hits the terminals directly. Sealable cover is standard; combined top and bottom terminals let you loop feed-through without extra busbars. ## Environmental range and compliance Vibration resistance per IEC 60068-2-6: ±1 mm at 5–25 Hz, 50 m/s² at 25–150 Hz. That's enough for a machine-tool cabinet or a pump skid mounted on a steel frame.","metaTitle":"Siemens 5SY7520-7 SENTRON MCB, C-curve 2-pole 1P+N, 15/25kA","metaDescription":"Siemens 5SY7520-7 SENTRON miniature circuit breaker, C-curve, 2-pole 1P+N, 15 kA (EN 60898) / 25 kA (IEC 60947-2). Current production. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["1-Pole MCB (DIN Rail)"],"specifications":{"Depth":"76 mm","Width":"36 mm","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","Standard":"IEC / EN 60898-1, IEC / EN 60947-2 / UL1077","Halogen-Free":"Yes","Silicon-Free":"Yes","Design Of Pole":"1P+N","Number Of Poles":"2","lifecycle_stage":"current","Fastening Method":"Quick assembly system","Mounting Position":"any","at AC rated value":"230 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":"Yes","Number Of Modular Width Units":"2","Position Of Power Supply Cord":"Any","Tripping Characteristic Class":"C","according to EN 60898 rated value":"15 kA","according to IEC 60947-2 rated value":"25 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 single-phase operation at AC rated value":"250 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":"1.7 W"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/c7dac2ff5049362c073112c5110d2307.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=525928&mlfb=5SY7520-7","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SY7520-7/alternatives.json"},"ai":{"faq":[{"question":"How do I get current pricing and availability for 5SY7520-7?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ and we'll get you a firm number."},{"question":"What is 5SY7520-7's listed depth?","answer":"76 mm overall depth, with a 70 mm installation depth behind the panel face. That clears a standard 80 mm deep enclosure backplate."},{"question":"Will 5SY7520-7 drop into a panel specified around 5SY4140-7 without rewiring?","answer":"Both are 2-module-width (36 mm) DIN-rail breakers from the same SENTRON family, so the mechanical footprint is identical. The 5SY7520-7 carries a higher breaking capacity (25 kA vs the 5SY4140-7's lower rating), so it's a functional upgrade — no rewiring needed for the same branch circuit."},{"question":"What compliance documentation does this brand provide for 5SY7520-7?","answer":"The breaker carries IEC/EN 60898-1 and IEC/EN 60947-2 ratings, plus UL 1077 and CSA C22.2 No.235 for North American acceptance. Halogen-free and silicon-free construction is documented. Standard RoHS and REACH declarations are available from the manufacturer."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY7520-7","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/5SY7520-7 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}}