{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SJ4306-7HG41","brand":"Siemens","brandSlug":"siemens","productSlug":"5SJ4306-7HG41","canonicalUrl":"https://aoctrl.com/siemens/5SJ4306-7HG41","factsUrl":"https://aoctrl.com/api/mcp/products/5SJ4306-7HG41","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SJ4 series, miniature circuit breaker, 3-pole, C characteristic, 10 kA (EN 60898) / 15 kA (IEC 60947-2), 400 V AC, 60 V DC, 3 MW units, IP20/IP40.","salesMarkdown":"It's designed for branch-circuit protection in industrial panels — think motor control centers, distribution boards, and machine tool cabinets where you need a reliable overcurrent trip that handles moderate inrush without nuisance tripping. The C characteristic means it's a solid fit for motor starters, small transformers, and lighting banks that draw a short surge on start-up. Rated 400 V AC and 60 V DC, it carries a 10 kA breaking capacity per EN 60898 and 15 kA per IEC 60947-2 — the higher figure is what matters when you're specifying for industrial control panels that need to clear a fault without upstream coordination headaches. The 3-pole design means it switches all three phases simultaneously, and there's no neutral pole (neutral conductor switching is not provided). It snaps onto a standard 35 mm DIN rail (mounting position any), takes up 3 modular width units (roughly 54 mm), and the combined screw/clamp terminals at top and bottom accept Cu conductors with a recommended torque of 3.5 Nm. The C-curve trips between 5 and 10 times rated current — so for a 6 A MCB (typical for a small motor or control transformer), a 60 A fault clears in under 0.1 s. That's fast enough to protect downstream wiring and the load itself, but slow enough to ignore the 10–20 ms inrush of a contactor coil or a 50 VA transformer. The IP20 body (IP40 in the handle area) is standard for enclosed distribution boards; it's not a washdown part, but it's fine behind a gland plate. If you're comparing against the 5SY4304-7CV or 5SY4310-7CV — those are also SENTRON MCBs but in the 5SY series, which is a different mechanical platform (same DIN footprint, different internal construction). The 5SJ4 series is the current-generation design; the 5SY series is an older platform that's still available but may have different terminal arrangements or accessory compatibility. For a direct drop-in replacement in an existing 5SY panel, verify the terminal type and the accessory rail compatibility before swapping. The 5SJ4 uses combined terminals top and bottom; the 5SY may use tunnel terminals, so the wiring method could differ. The 54 mm width (3 MW) is the standard for a 3-pole MCB; you can stack them side-by-side without extra spacing. The 95% humidity rating means condensation won't cause tracking issues as long as the enclosure is properly sealed.","metaTitle":"Siemens SENTRON 5SJ4306-7HG41 MCB, 3P, C-curve, 10kA EN 6089","metaDescription":"Siemens SENTRON 5SJ4306-7HG41 miniature circuit breaker, 3-pole, C characteristic, 10 kA per EN 60898, 15 kA per IEC 60947-2. Rated 400 V AC / 60 V DC. Available to order, quoted o","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["3-Pole MCB (DIN Rail)"],"specifications":{"Depth":"70 mm","Width":"54 mm","title":"5SJ4306-7HG41","Height":"110 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","description":"Miniature circuit breaker 240 V 14kA, 3-pole, C, 6 A, D=70 mm according to UL 489","Halogen-Free":"Yes","Silicon-Free":"Yes","Design Of Pole":"3P","Number Of Poles":"3","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":"3","Position Of Power Supply Cord":"Any","Tripping Characteristic Class":"C","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":"2.7 W"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$132.08","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/4124133dd0df25ebe75e47ab8b66f875.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=440313&mlfb=5SJ4306-7HG41"},"ai":{"faq":[{"question":"What is the breaking capacity of 5SJ4306-7HG41?","answer":"10 kA per EN 60898 and 15 kA per IEC 60947-2 at 400 V AC. The IEC figure is the one to verify against your available fault current in an industrial panel."},{"question":"Does 5SJ4306-7HG41 replace 5SY4304-7CV directly?","answer":"Both are 3-pole C-curve MCBs on the same DIN footprint, but the 5SJ4 series uses combined terminals top and bottom, while the 5SY series may use tunnel terminals. Check terminal type and accessory rail compatibility before swapping — wiring and busbar fit could differ."},{"question":"Where can I buy 5SJ4306-7HG41 and get current pricing?","answer":"It is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and lead time."},{"question":"What compliance documentation is available for 5SJ4306-7HG41?","answer":"The MCB is halogen-free and silicon-free, rated for pollution degree 3 and overvoltage category 3, and suitable for environment B per EMC. Standard manufacturer declarations for RoHS and REACH are typically available on request."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SJ4306-7HG41","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/5SJ4306-7HG41 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}}