{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SY1705-4","brand":"Siemens","brandSlug":"siemens","productSlug":"5SY1705-4","canonicalUrl":"https://aoctrl.com/siemens/5SY1705-4","factsUrl":"https://aoctrl.com/api/mcp/products/5SY1705-4","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON device protection switch, 1-pole with auxiliary switch, 0.5 A AC rated, 60 V DC, F2 tripping characteristic, 18 mm width, IP20.","salesMarkdown":"The Siemens SENTRON 5SY1705-4 is a 1-pole device protection switch with an integrated auxiliary switch (1P+AS), rated 0.5 A at AC and 60 V at DC, with an F2 tripping characteristic. The IP20 finger-safe terminals keep live parts covered during commissioning. The 0.5 A AC rating is the continuous current at ambient temperature; derate to 0.48 A at 35 °C, 0.46 A at 40 °C, and 0.4 A at 60 °C — so if the panel runs hot, the switch will trip earlier than the nameplate suggests. The F2 characteristic means a fast magnetic trip on short-circuit, with a lower threshold than a standard B or C curve; it's intended for protecting sensitive semiconductor loads or control transformers where a slower breaker might let fault current damage the downstream device. The 60 V DC rating covers most 24 VDC and 48 VDC control loops, but verify the DC breaking capacity matches your fault current — the spec doesn't list a DC interrupting rating, so treat it as suitable for low-energy DC circuits only. The 18 mm width (1 MW) leaves room for adjacent modules. Vibration-resistant per IEC 60068-2-6. The auxiliary switch (1P+AS) provides a remote status signal — useful for PLC or SCADA monitoring of the protected circuit.","metaTitle":"Siemens SENTRON 5SY1705-4 Device Protection Switch, 0.5 A, F","metaDescription":"Siemens SENTRON 5SY1705-4 device protection switch, 1-pole, 0.5 A AC, 60 V DC, F2 characteristic, IP20, 18 mm wide. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["1-Pole MCB (DIN Rail)"],"specifications":{"Depth":"76 mm","Width":"18 mm","title":"5SY1705-4","Height":"90 mm","Maximum":"70 °C","Minimum":"-40 °C","Sealable":"Yes","Standard":"IEC / DIN EN 60934, UL1077","description":"Device circuit breaker 1-pole with auxiliary switch NO contact Characteristic F2 0.5A 230 V AC 50/60 Hz 60 V DC Icn 3 kA AC according to IEC 60934","Halogen-Free":"Yes","Silicon-Free":"Yes","Design Of Pole":"1P+AS","Number Of Poles":"1","lifecycle_stage":"current","Fastening Method":"standard rail","Mounting Position":"Horizontal/vertical","Installation Depth":"70 mm","Product Brand Name":"SENTRON","Degree Of Pollution":"2","Product Designation":"Device protection switch","acc. to IEC 81346-2":"F","at AC / rated value":"0.5 A","at DC / rated value":"60 V","protection class IP":"IP20","Overvoltage Category":"III","Combined Terminal Top":"No","acc. to DIN EN 61346-2":"F","at 35 °C / rated value":"0.48 A","at 40 °C / rated value":"0.46 A","at 45 °C / rated value":"0.45 A","at 50 °C / rated value":"0.43 A","at 55 °C / rated value":"0.42 A","at 60 °C / rated value":"0.4 A","Combined Terminal Bottom":"No","Number Of Modular Width Units":"1","Tripping Characteristic Class":"F2","Position / Of Power Supply Cord":"Any","Product Feature / Touch Protection":"Yes","Influence Of The Surrounding Temperature":"30 °C @ 85%rF; 60 °C @ 20%rF\"","Type Of Voltage / Of The Operating Voltage":"AC/DC","vibration resistance / acc. to IEC 60068-2-6":"Yes","Product Component / Neutral Conductor Switching":"No","operating voltage / at DC / rated value / maximum":"72 V","Mechanical Service Life (Switching Cycles) / Typical":"6 000"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/258e8dd3bb4b92143824c3c33f8e1ea1.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=802786&mlfb=5SY1705-4"},"ai":{"faq":[{"question":"How do I get current pricing and availability for 5SY1705-4?","answer":"Submit an RFQ through this listing. Availability and current pricing are confirmed at quote time — the part is sourced to order through independent distribution channels."},{"question":"What compliance documentation does Siemens provide for 5SY1705-4?","answer":"The switch carries approvals to IEC/DIN EN 60934 and UL1077, and is halogen-free and silicon-free. Standard RoHS/REACH declarations are available from Siemens."},{"question":"What is 5SY1705-4's listed depth?","answer":"The depth is 76 mm, with an installation depth of 70 mm."},{"question":"What is 5SY1705-4's listed width?","answer":"The width is 18 mm, which is one modular unit on standard DIN rail."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SY1705-4","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/5SY1705-4 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}}