{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT7026-1AC25","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT7026-1AC25","canonicalUrl":"https://aoctrl.com/siemens/3RT7026-1AC25","factsUrl":"https://aoctrl.com/api/mcp/products/3RT7026-1AC25","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RT7026-1AC25, size S0 contactor, 3-pole, 24 V AC 50/60 Hz coil, screw terminals, IP20 front and terminal protection.","salesMarkdown":"The Siemens 3RT7026-1AC25 is a SIRIUS size S0 contactor with a 24 V AC 50/60 Hz coil, three main NO poles, and screw-type terminals on both the main and auxiliary circuits. The AC-3 rated operational current at 230 V is 6 A, dropping to 3 A at 400 V and 1 A at 690 V. That means this contactor is sized for smaller motor loads — think fractional-horsepower pumps, fans, or conveyor drives — not for high-current main feeders. The maximum switching rate at AC-3 is 800 operations per hour, which is comfortable for cyclic applications like packaging machinery or HVAC damper control; the AC-4 rate of 250 operations per hour reflects the heavier wear of inching or plugging duty. The coil draws 0.24 A at both 50 Hz and 60 Hz, with a holding power of 0.24 W DC and a closing power of 0.72 W DC. That low holding power keeps the control transformer lightly loaded — useful when multiple contactors share a single 24 V AC supply. The S0 footprint — 55 mm wide, 85.5 mm tall, 91 mm deep — fits the standard S0 slot in a Siemens panel layout.","metaTitle":"Siemens 3RT7026-1AC25 Contactor, 24 V AC Coil, S0, 3-Pole","metaDescription":"Siemens 3RT7026-1AC25 SIRIUS contactor, size S0, 3-pole, 24 V AC 50/60 Hz coil. AC-3 rated up to 690 V. Screw terminals, IP20. Active production, sourced to order. Request quote.","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 standard mounting rail according to DIN EN 50022","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":"24 V","at 60 Hz rated value":"24 V","at 690 V rated value":"1 A","Side-By-Side Mounting":"Yes","For Main Current Circuit":"screw-type terminals","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: 35 A","closing power of magnet coil at DC":"0.72 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: 80 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","operating voltage at AC-3 rated value maximum":"690 V","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=1533946&mlfb=3RT7026-1AC25","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT7026-1AC25/alternatives.json"},"ai":{"faq":[{"question":"What is the depth of 3RT7026-1AC25?","answer":"The depth is 91 mm, which is standard for the S0 frame size."},{"question":"What is the width of 3RT7026-1AC25?","answer":"The width is 55 mm, matching the S0 footprint."},{"question":"Will 3RT7026-1AC25 drop into a panel specified around 3RT6027-1AC20 without rewiring?","answer":"Both are S0-size contactors with the same mounting rail and terminal layout, so the physical swap is straightforward. However, the coil voltage differs — 3RT7026-1AC25 uses 24 V AC, while the 3RT6027-1AC20 uses a different coil. Verify the control circuit voltage before swapping."},{"question":"Where can I buy 3RT7026-1AC25?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT7026-1AC25","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/3RT7026-1AC25 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}}