{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT7027-1AP05","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT7027-1AP05","canonicalUrl":"https://aoctrl.com/siemens/3RT7027-1AP05","factsUrl":"https://aoctrl.com/api/mcp/products/3RT7027-1AP05","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RT7027-1AP05, size S0 contactor, 3-pole, 3 NO main contacts, screw terminals, 6 A at 230 V AC-3, IP20, DIN rail mount.","salesMarkdown":"The Siemens 3RT7027-1AP05 is a size S0 contactor with three normally-open main contacts, rated for AC-3 switching up to 690 V. At 230 V it handles 6 A; at 400 V it handles 3 A; at 690 V it handles 1 A. The 690 V insulation voltage and 6 kV surge resistance mean it's comfortable on 400 V line-fed motor circuits with decent transient margins. The S0 footprint is 55 mm wide, 85.5 mm tall, 91 mm deep — fits standard panel layouts. IP20 on the front and at the terminals — finger-safe, but not sealed. Keep it inside a cabinet; no washdown exposure. For type 2 coordination (no weld risk on a short circuit), the recommended backup fuse is a gL/gG 50 A NH 3NA. For type 1 coordination (allow contactor replacement after a fault), go up to 125 A. That's the fuse sizing the designer needs to lock in before the panel gets built. Typical for industrial control panels not in a climate-controlled room.","metaTitle":"Siemens 3RT7027-1AP05 Contactor, 3 Poles, 6 A at 230 V AC-3","metaDescription":"Siemens 3RT7027-1AP05 S0 contactor, 3 NO main contacts, rated 6 A at 230 V AC-3, 690 V insulation. IP20, screw terminals, DIN rail. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"91 mm","Width":"55 mm","Height":"85.5 mm","at 50 Hz":"0.24","at 60 Hz":"0.24","On The Front":"IP20","During Storage":"-25 ... +70 °C","Of The Terminal":"IP20","at AC-3 maximum":"800 1/h","at AC-4 maximum":"250 1/h","lifecycle_stage":"current","During Operation":"-10 ... +55 °C","Fastening Method":"screw and snap-on mounting onto 35 mm DIN rail according to DIN EN 50022","at AC-3e maximum":"800 1/h","Mounting Position":"+/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface","Size Of Contactor":"S0","Solid Or Stranded":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)","Degree Of Pollution":"3","at 230 V rated value":"6 A","at 400 V rated value":"3 A","at 50 Hz rated value":"230 V","at 690 V rated value":"1 A","Side-By-Side Mounting":"Yes","For Main Current Circuit":"screw-type terminals","at AC-3 rated value maximum":"690 V","at AC-3e rated value maximum":"690 V","Insulation Voltage Rated Value":"690 V","For Auxiliary And Control Circuit":"screw-type terminals","Product Extension Auxiliary Switch":"Yes","With Type Of Assignment 2 Required":"gL/gG NH 3NA: 50 A","closing power of magnet coil at DC":"0.82 W","holding power of magnet coil at DC":"0.24 W","Surge Voltage Resistance Rated Value":"6 kV","With Type Of Coordination 1 Required":"gL/gG NH 3NA: 125 A","shock resistance with sine pulse at AC":"12.5g / 5 ms, 7.8g / 10 ms","number of NC contacts for main contacts":"0","number of NO contacts for main contacts":"3","Finely Stranded With Core End Processing":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)","Number Of Poles For Main Current Circuit":"3","Contact Reliability Of Auxiliary Contacts":"acceptability for PLC control (17 V, 5 mA)","Type Of Voltage Of The Control Supply Voltage":"AC","operational current at DC-13 at 220 V rated value":"0.3 A","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Required Spacing With Side-By-Side Mounting At The Side":"0 mm","For Short-Circuit Protection Of The Auxiliary Switch Required":"fuse gL/gG: 10 A","number of NC contacts for auxiliary contacts instantaneous contact":"1","number of NO contacts for auxiliary contacts instantaneous contact":"1","Connectable Conductor Cross-Section For Main Contacts Finely Stranded With Core End Processing":"6 mm²","Connectable Conductor Cross-Section For Auxiliary Contacts Finely Stranded With Core End Processing":"0.5 ... 2.5 mm²"}},"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=1534014&mlfb=3RT7027-1AP05","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT7027-1AP05/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3RT7027-1AP05?","answer":"Sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"What are the key ratings for 3RT7027-1AP05?","answer":"Three-pole contactor, size S0, 3 NO main contacts. AC-3 rated voltage 690 V; at 230 V handles 6 A, at 400 V handles 3 A, at 690 V handles 1 A. Insulation voltage 690 V, surge resistance 6 kV. Coil closing power 0.82 W DC, holding 0.24 W DC."},{"question":"Will 3RT7027-1AP05 drop into a panel specified around 3RT6026-1AN20?","answer":"Both are S0 size contactors with the same DIN-rail footprint, so the mechanical fit is the same. Verify the coil voltage and auxiliary contact configuration on your specific panel drawing before swapping."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT7027-1AP05","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/3RT7027-1AP05 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}}