{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5SL3101-7MB","brand":"Siemens","brandSlug":"siemens","productSlug":"5SL3101-7MB","canonicalUrl":"https://aoctrl.com/siemens/5SL3101-7MB","factsUrl":"https://aoctrl.com/api/mcp/products/5SL3101-7MB","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 5SL3101-7MB miniature circuit breaker, 1-pole, C-curve, 1 A rated, 4.5 kA (EN 60898) / 5 kA (IEC 60947-2), 1 MW unit, IP20.","salesMarkdown":"## Siemens SENTRON 5SL3101-7MB — 1 A C-Curve Miniature Circuit Breaker The Siemens 5SL3101-7MB is a SENTRON miniature circuit breaker rated 1 A with a C-tripping characteristic, 1-pole construction, and a breaking capacity of 4.5 kA per EN 60898 or 5 kA per IEC 60947-2 at 230/400 V AC. The C-curve trips between 5 and 10 times rated current (5–10 A for this 1 A unit), which suits moderate inrush loads like small transformers or lighting banks where a B-curve would nuisance-trip but a D-curve would be too slow for conductor protection. The 4.5 kA (EN 60898) / 5 kA (IEC 60947-2) breaking capacity covers the vast majority of residential and commercial service-entrance fault levels in 230/400 V networks; if your prospective short-circuit current exceeds 5 kA at the panel, step up to a 6 kA or 10 kA rated sibling like the 5SL6120-7. Mechanical endurance is rated at 20 000 operating cycles typical — above the 10 000 cycles common on many compact MCBs, reflecting the SENTRON series' design for frequent switching in lighting or small motor-disconnect roles where the breaker doubles as a switch. Snap-on DIN rail mount, 18 mm width (1 MW), 76 mm depth — fits standard distribution board cutouts. The IP20 rating (with conductors connected) means it is intended for enclosed panels, not outdoor or washdown locations. Halogen-free and silicon-free construction supports use in clean-room or high-reliability environments where outgassing must be minimized. The 50/60 Hz frequency range covers both 50 Hz European and 60 Hz North American / Middle Eastern grids, though the voltage ratings (230/400 V single-phase / multi-phase) align with IEC 60364 wiring rules.","metaTitle":"Siemens 5SL3101-7MB SENTRON MCB, 1A C-Curve 1P 4.5kA","metaDescription":"Siemens SENTRON 5SL3101-7MB miniature circuit breaker, 1-pole C-curve 1A, 4.5 kA per EN 60898, 5 kA per IEC 60947-2. Active production. Sourced to order. Request a quote.","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","Height":"90 mm","Maximum":"75 °C","Minimum":"-40 °C","Sealable":"Yes","Halogen-Free":"Yes","Silicon-Free":"Yes","Design Of Pole":"1P","Number Of Poles":"1","lifecycle_stage":"current","Mounting Position":"any","Installation Depth":"70 mm","Product Brand Name":"SENTRON","Degree Of Pollution":"2","Product Designation":"Miniature circuit breaker","protection class IP":"IP20, with connected conductors","Overvoltage Category":"III","Energy Limitation Class":"3","Suitability For Operation":"Residential buildings/infrastructure","Number Of Modular Width Units":"1","Tripping Characteristic Class":"C","supply voltage at AC rated value":"400 V","according to EN 60898 rated value":"4.5 kA","according to IEC 60947-2 rated value":"5 kA","Type Of Voltage Of The Operating Voltage":"AC","with multi-phase operation at AC maximum":"440 V","Value Range Of The Supply Voltage Frequency":"50/60 Hz","with multi-phase operation at AC rated value":"440 V","with single-phase operation at AC rated value":"250 V","Mechanical Service Life (Operating Cycles) Typical":"20 000","Product Extension Installable Supplementary Devices":"Yes","power loss [W] for rated value of the current at AC in hot operating state per pole":"1.2 W"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=399606&mlfb=5SL3101-7MB","alternativesUrl":"https://aoctrl.com/api/mcp/products/5SL3101-7MB/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy the 5SL3101-7MB and get a price?","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 — submit an RFQ for a firm price and lead time."},{"question":"Will the 5SL3101-7MB drop into a panel specified for the 5SL6120-7 without rewiring?","answer":"Yes — both share the same 18 mm width, 76 mm depth, DIN-rail footprint, and 1-pole form factor. The 5SL6120-7 has a higher breaking capacity (6 kA vs 4.5 kA per EN 60898) and a higher current rating (20 A vs 1 A), so it is not a direct functional substitute for the 1 A circuit, but the mechanical fit is identical."},{"question":"What compliance documentation does Siemens provide for the 5SL3101-7MB?","answer":"The part carries IEC 60898 and IEC 60947-2 ratings, is halogen-free and silicon-free, and is designed for overvoltage category III / pollution degree 2. Standard Siemens SENTRON documentation includes a CE declaration of conformity and manufacturer test certificates; specific RoHS/REACH declarations are available on request."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/5SL3101-7MB","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/5SL3101-7MB 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}}