{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RA2712-2BB00","brand":"Siemens","brandSlug":"siemens","productSlug":"3RA2712-2BB00","canonicalUrl":"https://aoctrl.com/siemens/3RA2712-2BB00","factsUrl":"https://aoctrl.com/api/mcp/products/3RA2712-2BB00","rawCanonicalId":null},"summary":{"shortDescription":"Siemens Sirius 3RA2712-2BB00 AS-i basic module, reversing starter, 24 V DC control, spring-loaded terminals, IP20 finger-safe, 45 x 39 x 75 mm.","salesMarkdown":"## What this AS-i basic module does in a reversing starter setup The 3RA2712-2BB00 is a Siemens Sirius AS-i basic module designed specifically for reversing starter configurations — it handles the control logic and communication for a reversing contactor pair without needing a separate PLC I/O slice on the fieldbus. It operates on a 24 V DC control supply and communicates directly over the AS-Interface bus, so the reversing function is commanded through the AS-i master rather than hardwired interlock relays. The module snaps onto S00, S0, S2, or S3 contactors — you pick the contactor frame based on motor FLA, and this module adds the reversing control and bus interface in one package. ## Mounting and wiring — spring terminals and removable block Spring-loaded terminals accept 1x or 2x conductors from 0.25 to 1.5 mm² with or without ferrule — no screwdriver torque check needed, just strip and push. Mounting position is any orientation, and the module is finger-safe to IP20 from the front — meets the touch-protection requirement for vertical contact per IEC 60529. ## Environmental and EMC — industrial ambience ratings Operates from -25 to +60 °C, stores and ships at -40 to +80 °C — fine for most indoor industrial environments without climate control. EMC immunity meets IEC 60947-1 ambience A (industrial sector), with 8 kV electrostatic discharge withstand and 10 V/m field immunity — no additional filtering needed in a typical MCC lineup. Rated for pollution degree 3 and insulation voltage 690 V AC at that pollution level — suitable for uncoated boards in environments with conductive dust or occasional condensation.","metaTitle":"Siemens 3RA2712-2BB00 Sirius AS-i Basic Module","metaDescription":"Siemens 3RA2712-2BB00 Sirius AS-i basic module for reversing starters. 24 V DC control via AS-Interface. IP20 finger-safe. Active production, quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Motor Starters"],"specifications":{"Depth":"75mm","Solid":"1x (0.25 ... 1.5 mm²), 2x (0.25 ... 1.5 mm²)","Width":"45mm","title":"3RA2712-2BB00","Height":"39mm","description":"basic module for AS-i, reversing start, spring-loaded terminal, can be snapped on at the front on communication-capable contactor 3RT20…-…..-0CC0","Direct Starter":"No","During Storage":"-40 ... +80°C","lifecycle_stage":"current","During Operation":"-25 ... +60°C","During Transport":"-40 ... +80°C","Fastening Method":"can be plugged into contactor","Shock Resistance":"11g / 15 ms","Bus Communication":"Yes","Mounting Position":"any","Reversing Starter":"Yes","Product Brand Name":"Sirius","Star-Delta Starter":"No","Degree Of Pollution":"3","Product Designation":"Basic module","acc. to IEC 81346-2":"K","Vibration Resistance":"10 ... 55 Hz / 0.35 mm","Design Of The Product":"AS-i","acc. to DIN EN 61346-2":"K","With Core End Processing":"1x (0.25 ... 1.5 mm²), 2x (0.25 ... 1.5 mm²)","Without Core End Processing":"1x (0.25 ... 1.5 mm²), 2x (0.25 ... 1.5 mm²)","Design Of The Surge Suppressor":"Varistor","EMC immunity acc. to IEC 60947-1":"ambience A (industrial sector)","at AWG cables for auxiliary contacts":"2x (24 ... 16)","control supply voltage 1 at DC rated value":"24V","control circuit interface with AS-interface":"Yes","EMC emitted interference acc. to IEC 60947-1":"CISPR11, ambience A (industrial sector)","Type Of Voltage Of The Control Supply Voltage":"DC","electrostatic discharge acc. to IEC 61000-4-2":"8 kV","field-based interference acc. to IEC 61000-4-3":"10 V/m","touch protection on the front acc. to IEC 60529":"finger-safe, for vertical contact from the front","Size Of Contactor Can Be Combined Company-Specific":"S00, S0, S2, S3","protection class IP on the front acc. to IEC 60529":"IP20","Installation Altitude At Height Above Sea Level Maximum":"2 000m","Type Of Electrical Connection For Auxiliary And Control Circuit":"spring-loaded terminals","insulation voltage with degree of pollution 3 at AC rated value":"690V","Product Component Removable Terminal For Auxiliary And Control Circuit":"Yes"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/782bdeee12bf3ef0da015b05463c6960.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=135030&mlfb=3RA2712-2BB00"},"ai":{"faq":[{"question":"What contactor sizes does 3RA2712-2BB00 fit?","answer":"It combines with Siemens S00, S0, S2, or S3 contactors. The module plugs directly onto the contactor without additional wiring for the reversing interlock."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RA2712-2BB00","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/3RA2712-2BB00 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}}