{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SJ4215-8HG42","brand":"Siemens","brandSlug":"siemens","productSlug":"5SJ4215-8HG42","canonicalUrl":"https://aoctrl.com/siemens/5SJ4215-8HG42","factsUrl":"https://aoctrl.com/api/mcp/products/5SJ4215-8HG42","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SJ4 series, miniature circuit breaker, 2-pole, D tripping characteristic, 1.6 A rated at 40 °C, 36 mm width, 70 mm depth, DIN rail mount.","salesMarkdown":"The Siemens 5SJ4215-8HG42 is a 2-pole miniature circuit breaker from the SENTRON 5SJ4 family, with a D tripping characteristic and a rated current of 1.6 A at 40 °C. Rated for AC/DC operation up to 60 V DC, it's suited for control panels in mechanical engineering and industrial environments. ## Temperature derating and real-world current The 1.6 A rating holds steady up to 45 °C ambient. At 50 °C it derates to 1.5 A, and at 60 °C to 1.4 A.","metaTitle":"Siemens 5SJ4215-8HG42 SENTRON MCB, 2P D 1.6 A, 36 mm","metaDescription":"Siemens 5SJ4215-8HG42 SENTRON miniature circuit breaker, 2-pole, D-curve, 1.6 A rated at 40 °C, 36 mm wide, DIN rail mount. Active production, sourced 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","title":"5SJ4215-8HG42","Height":"121 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","description":"Circuit breaker 10kA, 2-pole, D, 1.6 A according to UL 489-480Y/277V","Halogen-Free":"Yes","Silicon-Free":"Yes","Number Of Poles":"2","Type Of Voltage":"AC/DC","lifecycle_stage":"current","Fastening Method":"on standard mounting rail","Mounting Position":"any","Installation Depth":"70 mm","Product Brand Name":"SENTRON","Degree Of Pollution":"3","Product Designation":"Miniature circuit breakers","acc. to IEC 81346-2":"F","at AC / rated value":"1.6 A","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","Number Of Poles / Note":"2P","acc. to DIN EN 61346-2":"F","Product Function / Note":"Terminal tightening torque for Cu, 60/75°C; 3.5Nm/31lb.in","Tunnel Terminals Bottom":"No","at 30 °C / rated value":"1.6 A","at 40 °C / rated value":"1.6 A","at 45 °C / rated value":"1.6 A","at 50 °C / rated value":"1.5 A","at 55 °C / rated value":"1.5 A","at 60 °C / rated value":"1.4 A","Combined Terminal Bottom":"Yes","Suitability For Operation":"Mechanical engineering / industry","Number Of Modular Width Units":"2","Tripping Characteristic Class":"D","at DC / rated value / maximum":"60 V","acc. to EN 60898 / rated value":"10 kA","Position / Of Power Supply Cord":"Any","acc. to IEC 60947-2 / rated value":"15 kA","Product Feature / Touch Protection":"Yes","supply voltage / at AC / rated value":"400 V","installation environment regarding EMC":"Suitable for environment B (immunity to interference not applicable)","Influence Of The Surrounding Temperature":"max. 95% humidity","insulation voltage / at AC / rated value":"440 V","Product Function / Neutral Conductor Switching":"No","Mechanical Service Life (Operating Cycles) / Typical":"10 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$105.41","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/f07836005107a5ed3da24154bea24f36.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=531967&mlfb=5SJ4215-8HG42"},"ai":{"faq":[{"question":"Where can I buy 5SJ4215-8HG42 and how do I get a price?","answer":"This part is sourced to order through independent distribution. Submit an RFQ for current availability and pricing; stock and lead time are confirmed at quote time."},{"question":"Will 5SJ4215-8HG42 drop into a panel that was specified around 5SY4116-7CV without rewiring?","answer":"No. The 5SY4116-7CV is a single-pole B-curve 16 A breaker; the 5SJ4215-8HG42 is a 2-pole D-curve 1.6 A. Different poles, curve, and rating — it requires rewiring and a coordination check."},{"question":"What is 5SJ4215-8HG42's listed depth?","answer":"The depth is 70 mm, which matches the installation depth for DIN-rail mounting."},{"question":"What is 5SJ4215-8HG42's listed width?","answer":"The width is 36 mm, which corresponds to 2 modular width units on a standard DIN rail."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SJ4215-8HG42","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/5SJ4215-8HG42 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}}