{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT7025-1AC25","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT7025-1AC25","canonicalUrl":"https://aoctrl.com/siemens/3RT7025-1AC25","factsUrl":"https://aoctrl.com/api/mcp/products/3RT7025-1AC25","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RT7025-1AC25, size S0 contactor, 3-pole, 24 V AC 50/60 Hz coil, screw terminals, IP20, 91 mm depth.","salesMarkdown":"The 3RT7025-1AC25 is a size S0 contactor — 55 mm wide, 85.5 mm tall, 91 mm deep — that screws or snaps onto a 35 mm DIN rail per EN 50022. Screw terminals on both the main and auxiliary circuits accept up to 2x 2.5 mm² solid or stranded, or 2x 1.5 mm² with ferrules. Three normally-open main contacts, rated for AC-3 switching up to 690 V maximum. At 230 V the contactor carries 6 A; at 400 V it's 3 A; at 690 V it's 1 A. Those are the motor-switching currents — the numbers that tell you whether this contactor will hold in on a pump or conveyor start. The coil is 24 V AC, 50/60 Hz, drawing 0.24 A at both frequencies. Closing power on DC is 0.72 W; holding power drops to 0.24 W — the economizer circuit cuts the hold-in current once the armature seats. Surge voltage withstand is 6 kV, which covers the impulse levels you see in a standard 400 V industrial distribution. Mechanical switching frequency: 800 operations per hour max under AC-3 duty, 250 per hour under AC-4 (plugging/reversing). Shock resistance is 12.5g for 5 ms or 7.8g for 10 ms — enough for most machine-mounted panels but not for direct engine-block mounting. For BOM planning: the contactor carries IP20 on the front and at the terminals — it's a panel-interior part, not a field-mounted device. Fuse coordination: for type 2 coordination use a 25 A gL/gG NH 3NA fuse; for type 1 coordination use 63 A.","metaTitle":"Siemens 3RT7025-1AC25 Contactor, S0, 24V AC Coil, 3-Pole","metaDescription":"Siemens 3RT7025-1AC25 SIRIUS contactor, size S0, 3-pole, 24V AC 50/60Hz coil. Screw terminals, IP20, DIN rail mount. Current production. Quoted to order.","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: 25 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: 63 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=1533907&mlfb=3RT7025-1AC25","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT7025-1AC25/alternatives.json"},"ai":{"faq":[{"question":"What is 3RT7025-1AC25's listed depth on this component line?","answer":"The depth is 91 mm. Overall dimensions are 55 mm wide by 85.5 mm tall by 91 mm deep, size S0."},{"question":"Will 3RT7025-1AC25 drop into a panel that was specified around 3RT6027-1AC20 without rewiring?","answer":"Both are size S0 contactors on the same 35 mm DIN rail footprint, so the mechanical fit and rail clip are identical. The 3RT7025-1AC25 uses a 24 V AC coil; verify that the 3RT6027-1AC20 in your existing panel also uses 24 V AC — if it does, the swap is a straight drop-in. If the original was a different coil voltage, you'll need to change the control transformer or coil."},{"question":"What compliance documentation does this brand provide for 3RT7025-1AC25?","answer":"The product carries IP20 enclosure rating (front and terminals), pollution degree 3, and a surge voltage resistance of 6 kV. It is designed for use in industrial control panels per IEC/EN 60947-4-1. Specific RoHS, REACH, and UL documentation is typically included with the shipment or available on request from the supplier."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT7025-1AC25","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/3RT7025-1AC25 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}}