{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SJ4250-8HG41","brand":"Siemens","brandSlug":"siemens","productSlug":"5SJ4250-8HG41","canonicalUrl":"https://aoctrl.com/siemens/5SJ4250-8HG41","factsUrl":"https://aoctrl.com/api/mcp/products/5SJ4250-8HG41","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SJ4 miniature circuit breaker, 2-pole, D characteristic, 10 kA (EN 60898) / 15 kA (IEC 60947-2), 400 V AC, 60 V DC, 70 mm depth, 36 mm width.","salesMarkdown":"Its D tripping characteristic (10–20× In magnetic trip) handles high inrush loads like motor starters, transformers, and welding equipment without nuisance tripping on startup. Rated 10 kA breaking capacity per EN 60898 and 15 kA per IEC 60947-2 at 400 V AC, it clears faults up to those levels without cascading upstream. The 2-pole design switches both phase conductors; the neutral is not switched (no neutral pole). The IP20 rating (IP40 in the handle area with conductors connected) means it lives inside a cabinet, not exposed to washdown. Vibration resistance to 50 m/s² at 25–150 Hz and 60 m/s² at 35 Hz (4 s) keeps it functional on machinery with moderate vibration.","metaTitle":"Siemens 5SJ4250-8HG41 SENTRON MCB, 2-pole D-curve, 10 kA","metaDescription":"Siemens 5SJ4250-8HG41 SENTRON miniature circuit breaker, 2-pole, D tripping characteristic, 10 kA per EN 60898, 15 kA per IEC 60947-2. Active production. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["2-Pole MCB (DIN Rail)"],"specifications":{"Depth":"70 mm","Width":"36 mm","Height":"110 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","Halogen-Free":"Yes","Silicon-Free":"Yes","Design Of Pole":"2P","Number Of Poles":"2","lifecycle_stage":"current","Fastening Method":"on standard mounting rail","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 breakers","protection class IP":"IP20, with connected conductors, IP 40 in the handle range","Overvoltage Category":"3","Tunnel Terminals Top":"No","Vibration Resistance":"50 m/s² at 25 to 150Hz and 60m/s² at 35Hz (4sec)","Combined Terminal Top":"Yes","Design Of The Product":"Miniature circuit-breaker 5SJ4","Product Function Note":"Terminal tightening torque for Cu, 60/75°C; 3.5Nm/31lb.in","Tunnel Terminals Bottom":"No","Combined Terminal Bottom":"Yes","Suitability For Operation":"Mechanical engineering / industry","at DC rated value maximum":"60 V","Neutral Conductor Switching":"No","Number Of Modular Width Units":"2","Position Of Power Supply Cord":"Any","Tripping Characteristic Class":"D","according to EN 60898 rated value":"10 kA","Ambient Temperature During Operation":"max. 95% humidity","Supply Voltage Frequency Rated Value":"50 Hz","according to IEC 60947-2 rated value":"15 kA","installation environment regarding EMC":"Suitable for environment B (immunity to interference not applicable)","insulation voltage (Ui) at AC rated value":"440 V","Value Range Of The Supply Voltage Frequency":"50/60 Hz","vibration resistance according to IEC 60068-2-6":"±1 mm at 5 to 25 Hz; 50 m/s² at 25 to 150 Hz","Mechanical Service Life (Operating Cycles) Typical":"10 000","Product Extension Installable Supplementary Devices":"Yes","Tightening Torque With Screw-Type Terminals Maximum":"3.5 N·m","power loss [W] for rated value of the current at AC in hot operating state per pole":"6.3 W"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$148.59","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/1b1b5086b780867464f783d2ef473eb7.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=162125&mlfb=5SJ4250-8HG41","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SJ4250-8HG41/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of 5SJ4250-8HG41?","answer":"10 kA per EN 60898 and 15 kA per IEC 60947-2 at 400 V AC."},{"question":"What is the tripping characteristic of this MCB?","answer":"D characteristic — magnetic trip between 10 and 20 times rated current, designed for high-inrush loads like motors and transformers."},{"question":"Where can I buy 5SJ4250-8HG41?","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."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SJ4250-8HG41","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/5SJ4250-8HG41 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}}