{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT2025-1AK60-1AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT2025-1AK60-1AA0","canonicalUrl":"https://aoctrl.com/siemens/3RT2025-1AK60-1AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3RT2025-1AK60-1AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS power contactor, 3RT2025-1AK60-1AA0, Size S0, 45 mm width, screw-type coil terminals, auxiliary switch, current production.","salesMarkdown":"The contactor is rated for 1 000 switching cycles per hour under AC-1, AC-2, AC-3, and AC-3e duty, and 300 cycles per hour under the heavier AC-4 category. AC-3 is the standard motor-switching rating — 1 000 operations per hour covers most conveyor, pump, and fan cycling without derating. AC-4 (plugging or inching) cuts the rate to 300 per hour; if your application requires frequent reversing or jogging, that 300 c/h limit is the one to design around. In a line running 100 cycles per hour, that's over 11 years of mechanical life before the armature or spring set wears out. The electrical contact life will be shorter and load-dependent, but the mechanical endurance gives you a solid baseline for preventive replacement intervals. The auxiliary contact ratings are specified across multiple voltages: 10 A at 24 V, 2 A at 48 V and 60 V, 1 A at 110 V, 0.9 A at 125 V, 0.3 A at 220 V, 3 A at 400 V, and 0.6 A at 440 V. These are the maximum switching currents for the built-in auxiliary block — if your PLC output or control relay needs to switch a 24 VDC pilot light at 2 A, this contactor's aux contacts handle it comfortably. The 3 hp rating at 230 V gives a quick motor-size reference for North American panels. Coil holding power draws 0.25 A at 50 Hz and 0.28 A at 60 Hz — a light load on the control transformer. Mounting position is standing on a horizontal surface — the standard orientation for DIN-rail contactors. That 6 mm side gap is tighter than some panels allow; if you're packing contactors side-by-side on the rail, verify the heat dissipation for your load current. The screw-and-snap-on fastening means you can pre-wire the contactor on the bench and snap it onto the rail in the panel. Conductor cross-sections for the main and auxiliary terminals: solid or stranded 1 to 10 mm², or two conductors of 0.5 to 1.5 mm² or 0.75 to 2.5 mm² per clamp. That dual-conductor capability is useful for looping the control supply through multiple contactors without extra terminal blocks.","metaTitle":"Siemens SIRIUS 3RT2025-1AK60-1AA0 Power Contactor, Size S0,","metaDescription":"Siemens SIRIUS 3RT2025-1AK60-1AA0 power contactor, Size S0, 45 mm width, screw terminals, auxiliary switch included, current production.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactors"],"specifications":{"Depth":"97 mm","Solid":"1 ... 10 mm²","Width":"45 mm","at AC":"4 ... 16 ms","Height":"85 mm","Upwards":"10 mm","Forwards":"10 mm","Stranded":"1 ... 10 mm²","at 50 Hz":"0.25","at 60 Hz":"0.28","Downwards":"10 mm","Arcing Time":"10 ... 10 ms","At The Side":"6 mm","During Storage":"-55 ... +80 °C","Of Magnet Coil":"Screw-type terminals","at AC-1 maximum":"1 000 1/h","at AC-2 maximum":"1 000 1/h","at AC-3 maximum":"1 000 1/h","at AC-4 maximum":"300 1/h","lifecycle_stage":"current","Auxiliary Switch":"Yes","During Operation":"-25 ... +60 °C","Fastening Method":"screw and snap-on mounting onto 35 mm DIN rail according to DIN EN 60715","at AC-3e maximum":"1 000 1/h","For Main Contacts":"16 ... 8","Mounting Position":"standing, on horizontal mounting surface","Size Of Contactor":"S0","Solid Or Stranded":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)","Product Brand Name":"SIRIUS","Product Designation":"Power contactor","at 24 V rated value":"10 A","at 48 V rated value":"2 A","at 60 V rated value":"2 A","Of Contactor Typical":"10 000 000","at 110 V rated value":"1 A","at 125 V rated value":"0.9 A","at 220 V rated value":"0.3 A","at 230 V rated value":"3 hp","at 400 V rated value":"3 A","at 440 V rated value":"0.6 A","at 480 V rated value":"14 A","at 50 Hz rated value":"110 V","at 500 V rated value":"2 A","at 60 Hz rated value":"120 V","at 600 V rated value":"17 A","at 690 V rated value":"1 A","Side-By-Side Mounting":"Yes","For Auxiliary Contacts":"20 ... 14","For Main Current Circuit":"screw-type terminals","at 110/120 V rated value":"1 hp","at 200/208 V rated value":"3 hp","at 220/230 V rated value":"5 hp","at 460/480 V rated value":"10 hp","at 575/600 V rated value":"15 hp","Relative Humidity Minimum":"10 %","Of Main Circuit Rated Value":"6 kV","Safety-Related Switching On":"Yes","at AC-3 rated value maximum":"690 V","at AC in hot operating state":"1.8 W","at AC-2 at 400 V rated value":"7.5 kW","at AC-3e rated value maximum":"690 V","at AC-4 at 400 V rated value":"15.5 A","safety-related switching OFF":"Yes","Substance Prohibitance (Date)":"10/01/2009","Of Auxiliary Circuit Rated Value":"6 kV","at AC-5a up to 690 V rated value":"35.2 A","at AC-5b up to 400 V rated value":"14.1 A","For Auxiliary And Control Circuit":"screw-type terminals","Function Module For Communication":"No","With Type Of Assignment 2 Required":"gG: 25A (690V,100kA), aM: 20A (690V,100kA), BS88: 25A (415V,80kA)","Without Load Current Share Typical":"7.9 W","At Contactor For Auxiliary Contacts":"Screw-type terminals","With Type Of Coordination 1 Required":"gG: 63A (690V,100kA), aM: 32A (690V,100kA), BS88: 63A (415V,80kA)","at AWG cables for auxiliary contacts":"2x (20 ... 16), 2x (18 ... 14)","operational current at AC-12 maximum":"10 A","at AC in hot operating state per pole":"0.6 W","number of NO contacts for main contacts":"3","reference code according to IEC 81346-2":"Q","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":"1 faulty switching per 100 million (17 V, 1 mA)","mirror contact according to IEC 60947-4-1":"Yes","with low demand rate according to SN 31920":"40 %","with high demand rate according to SN 31920":"73 %","Type Of Voltage Of The Control Supply Voltage":"AC","Limited To 1 S Switching At Zero Current Maximum":"225 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 5 S Switching At Zero Current Maximum":"225 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 10 S Switching At Zero Current Maximum":"189 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 30 S Switching At Zero Current Maximum":"140 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 60 S Switching At Zero Current Maximum":"115 A; Use minimum cross-section acc. to AC-1 rated value","contact rating of auxiliary contacts according to UL":"A600 / P600","Of Main Circuit With Degree Of Pollution 3 Rated Value":"690 V","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Of The Contactor With Added Auxiliary Switch Block Typical":"10 000 000","Of Auxiliary Circuit With Degree Of Pollution 3 Rated Value":"690 V","For Short-Circuit Protection Of The Auxiliary Switch Required":"gG: 10 A (500 V, 1 kA)","minimum cross-section in main circuit at maximum AC-1 rated value":"10 mm²","number of NC contacts for auxiliary contacts instantaneous contact":"1","number of NO contacts for auxiliary contacts instantaneous contact":"1","Of The Contactor With Added Electronically Optimized Auxiliary Switch Block Typical":"5 000 000"}},"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=675782&mlfb=3RT2025-1AK60-1AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT2025-1AK60-1AA0/alternatives.json"},"ai":{"faq":[{"question":"What are the key dimensions for panel layout?","answer":"Width is 45 mm, depth is 97 mm, height is 85 mm. It mounts on 35 mm DIN rail with 10 mm clearance upwards, forwards, and downwards, and 6 mm at the sides."},{"question":"Does this contactor include an auxiliary contact block?","answer":"Yes, it ships with an integrated auxiliary switch. The auxiliary contact ratings are 10 A at 24 V, 2 A at 48 V and 60 V, 1 A at 110 V, 0.9 A at 125 V, 0.3 A at 220 V, 3 A at 400 V, and 0.6 A at 440 V."},{"question":"What wire sizes does the 3RT2025-1AK60-1AA0 accept?","answer":"Solid or stranded wire from 1 to 10 mm², or two conductors of 0.5 to 1.5 mm² or 0.75 to 2.5 mm² per terminal. Main contact screws accept 16 to 8 AWG."},{"question":"Will this contactor drop into a panel designed for the 3RT2025-1AD20-1AA0?","answer":"Both are Size S0 contactors with the same 45 mm width and DIN-rail mounting, so the footprint and rail position are identical. The 1AK60 variant includes an auxiliary switch and uses screw-type coil terminals; the 1AD20 variant may differ in coil voltage or auxiliary configuration. Check the coil rating on your 1AD20 panel design before substituting — the mechanical fit is the same, but the control circuit must match."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT2025-1AK60-1AA0","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/3RT2025-1AK60-1AA0 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}}