{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3UG4582-2AW31","brand":"Siemens","brandSlug":"siemens","productSlug":"3UG4582-2AW31","canonicalUrl":"https://aoctrl.com/siemens/3UG4582-2AW31","factsUrl":"https://aoctrl.com/api/mcp/products/3UG4582-2AW31","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3UG4582-2AW31 insulation monitoring relay with analog setting, AC/DC control supply 24-240 V, 22.5 mm width, snap-on DIN rail mounting.","salesMarkdown":"The Siemens SIRIUS 3UG4582-2AW31 is an insulation monitoring relay with analog setting — a dedicated device for detecting insulation degradation in ungrounded AC/DC systems. It monitors AC/DC networks (measurable voltage 0-250 V AC) across a line frequency range of 15-400 Hz, making it suitable for both standard 50/60 Hz power and higher-frequency circuits like motor drives or generators. The adjustable full-scale value (0.85-1.1) sets the insulation threshold, and the delayed switching feature (1 s) prevents nuisance tripping on transient leakage. Snap-on fastening onto 35 mm DIN rail; 22.5 mm width fits one standard module slot. Mounting position any — no orientation restrictions. Spring-loaded terminals accept 0.5-1.5 mm² finely stranded with ferrule, or 2x (20-16) AWG solid / 2x (18-16) AWG stranded. IP20 rated for enclosed panel use. Zero clearance required upwards, forwards, backwards, downwards, and at the side — the relay can be packed tight against other modules without derating.","metaTitle":"Siemens 3UG4582-2AW31 SIRIUS Insulation Monitor, 24-240 V AC","metaDescription":"Siemens SIRIUS 3UG4582-2AW31 insulation monitoring relay with analog setting. AC/DC supply 24-240 V, measures 0-250 V AC, 15-400 Hz. Current production. Snap-on 35 mm DIN rail. IP2","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Process / Temperature Controllers"],"specifications":{"Depth":"100 mm","Solid":"20 ... 16","Width":"22.5 mm","Height":"78 mm","Upwards":"0 mm","Forwards":"0 mm","Stranded":"18 ... 16","Backwards":"0 mm","Downwards":"0 mm","At The Side":"0 mm","Error Memory":"Yes","Initial Value":"0.85","For Monitoring":"AC/DC","lifecycle_stage":"current","Fastening Method":"snap-on fastening on 35 mm DIN rail","Full-Scale Value":"1.1","Product Function":"Insulation monitor","Delayed Switching":"1","Mounting Position":"any","Product Brand Name":"SIRIUS","Product Designation":"Insulation monitoring relay with analog setting","protection class IP":"IP20","at 50 Hz rated value":"24 ... 240 V","at 60 Hz rated value":"24 ... 240 V","for AWG cables solid":"2x (20 ... 16)","for AWG cables stranded":"2x (18 ... 16)","measurable voltage at AC":"0 ... 250 V","Measurable Line Frequency":"15 ... 400 Hz","Of The Control Supply Voltage":"AC/DC","Substance Prohibitance (Date)":"05/01/2012","Type Of Electrical Connection":"spring-loaded terminals","Operating Frequency Rated Value":"15 ... 400 Hz","Ambient Temperature During Operation":"-25 ... +60 °C","Surge Voltage Resistance Rated Value":"6 000 V","Of The Operating Voltage For Actuation":"AC/DC","number of NC contacts delayed switching":"0","number of NO contacts delayed switching":"0","reference code according to IEC 81346-2":"K","Finely Stranded With Core End Processing":"0.5 ... 1.5 mm²","control supply voltage at DC rated value":"24 ... 240 V","Finely Stranded Without Core End Processing":"0.5 ... 1.5 mm²","number of NC contacts for auxiliary contacts":"0","number of NO contacts for auxiliary contacts":"0","Adjustable Open/Closed-Circuit Current Principle":"No","Thermal Current Of The Switching Element With Contacts Maximum":"4 A","Product Component Removable Terminal For Auxiliary And Control Circuit":"No"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/3UG4582-2AW31/alternatives.json"},"ai":{"faq":[{"question":"What is the control supply voltage range?","answer":"The control supply voltage is 24-240 V AC/DC at both 50 Hz and 60 Hz. This wide range allows direct connection to most panel auxiliary buses without a step-down transformer."},{"question":"What is the measurable voltage range?","answer":"The relay measures AC voltage from 0 to 250 V AC across a line frequency of 15-400 Hz. It monitors insulation resistance in ungrounded AC systems within that voltage window."},{"question":"How is the 3UG4582-2AW31 mounted?","answer":"It snaps onto a standard 35 mm DIN rail. Width is 22.5 mm (one module). Mounting position is unrestricted — any orientation. Zero clearance needed around the device."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3UG4582-2AW31","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/3UG4582-2AW31 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}}