{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT2028-1AN60","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT2028-1AN60","canonicalUrl":"https://aoctrl.com/siemens/3RT2028-1AN60","factsUrl":"https://aoctrl.com/api/mcp/products/3RT2028-1AN60","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS power contactor, Size S0, 3RT2028-1AN60, 45 mm width, screw-type coil terminals, auxiliary switch, screw and snap-on mounting on 35 mm DIN rail.","salesMarkdown":"The contactor is rated for AC-3 switching at up to 750 operations per hour, and AC-4 at 250 operations per hour. AC-3 covers starting and running squirrel-cage motors; AC-4 covers inching and plugging duty. If your application involves frequent jogging, the 250 cycles/h ceiling on AC-4 is the limiting figure — not the AC-3 number. Coil consumption is 0.25 A at 50 Hz and 0.28 A at 60 Hz — a small enough draw that a standard 24 VDC power supply can drive multiple contactors without oversizing, but check the inrush if you are ganging several on one output. Wire range accepts solid or stranded conductors from 1 to 10 mm², and also allows two conductors per terminal (2x 0.5…1.5 mm² or 2x 0.75…2.5 mm²). That dual-conductor capability is useful for daisy-chaining control wiring without extra terminal blocks. The auxiliary switch is built in (yes/no: yes), with contact ratings that vary by voltage: 10 A at 24 V, 2 A at 48/60 V, 1 A at 110 V, 0.9 A at 125 V, 0.3 A at 220 V, 3 A at 400 V, 0.6 A at 440 V. These are the make/break capacities for the auxiliary contacts — useful for PLC inputs or indicator lamps, but not for power switching. The storage range is wider because the contactor is not dissipating coil heat; the operating range is the one that governs panel ambient.","metaTitle":"Siemens 3RT2028-1AN60 SIRIUS Power Contactor, Size S0, 45 mm","metaDescription":"Siemens 3RT2028-1AN60 SIRIUS power contactor, Size S0, 45 mm wide, screw terminals, auxiliary switch included. Rated for AC-3 switching at 750 cycles/h. Active lifecycle, sourced t","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","title":"3RT2028-1AN60","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","description":"power contactor, AC-3e/AC-3, 38 A, 18.5 kW / 400 V, 3-pole, 200 V AC, 50 Hz / 200-220 V, 60 Hz, auxiliary contacts: 1 NO + 1 NC, screw terminal, size: S0","During Storage":"-55 ... +80 °C","Of Magnet Coil":"Screw-type terminals","at AC-1 maximum":"1 000 1/h","at AC-2 maximum":"750 1/h","at AC-3 maximum":"750 1/h","at AC-4 maximum":"250 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":"750 1/h","For Main Contacts":"16 ... 8","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)","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":"5 hp","at 400 V rated value":"3 A","at 440 V rated value":"0.6 A","at 480 V rated value":"34 A","at 50 Hz rated value":"200 V","at 500 V rated value":"2 A","at 60 Hz rated value":"220 V","at 600 V rated value":"27 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":"3 hp","at 200/208 V rated value":"10 hp","at 220/230 V rated value":"10 hp","at 460/480 V rated value":"25 hp","at 575/600 V rated value":"25 hp","Relative Humidity Minimum":"10 %","Of Main Circuit Rated Value":"6 kV","at AC-3 rated value maximum":"690 V","at AC in hot operating state":"9.6 W","at AC-3e rated value maximum":"690 V","at AC-4 at 400 V rated value":"22 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":"44 A","at AC-5b up to 400 V rated value":"31.5 A","For Auxiliary And Control Circuit":"screw-type terminals","Function Module For Communication":"No","With Type Of Assignment 2 Required":"gG: 50A (690V,100kA), aM: 25A (690V, 100kA), BS88: 50A (415V, 80kA)","Without Load Current Share Typical":"10.5 W","At Contactor For Auxiliary Contacts":"Screw-type terminals","With Type Of Coordination 1 Required":"gG: 125A (690V,100kA), aM: 50A (690V,100kA), BS88: 125A (415V,80kA)","operational current at AC-12 maximum":"10 A","at AC in hot operating state per pole":"3.2 W","for AWG cables for auxiliary contacts":"2x (20 ... 16), 2x (18 ... 14)","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":"593 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 5 S Switching At Zero Current Maximum":"341 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 10 S Switching At Zero Current Maximum":"260 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 30 S Switching At Zero Current Maximum":"199 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 60 S Switching At Zero Current Maximum":"162 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,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/fcab69fd9d57cf6342172f356d44f01b.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=90075&mlfb=3RT2028-1AN60"},"ai":{"faq":[{"question":"What is 3RT2028-1AN60's listed depth (97 mm) on this component line?","answer":"The depth is 97 mm, which is the dimension that matters for gland-plate clearance or enclosure depth behind the DIN rail."},{"question":"What is 3RT2028-1AN60's listed solid (1... 10 mm²) on this component line?","answer":"The wire range accepts solid or stranded conductors from 1 to 10 mm², and also allows two conductors per terminal (2x 0.5…1.5 mm² or 2x 0.75…2.5 mm²)."},{"question":"Will 3RT2028-1AN60 drop into a panel that was specified around 3RT2016-1AG62 without rewiring?","answer":"Both are SIRIUS Size S0 contactors on the same 45 mm DIN-rail footprint, so the mechanical fit is identical. The 3RT2028-1AN60 includes an auxiliary switch; the 3RT2016-1AG62 may not. Check the coil voltage and auxiliary contact configuration on your BOM — the terminal layout and wire range are the same, so no rewiring is needed if the coil matches."},{"question":"What compliance documentation does this brand provide for 3RT2028-1AN60 (RoHS, REACH, UL, IEC)?","answer":"As a SIRIUS product, Siemens typically provides RoHS, REACH, UL, and IEC declarations. The evidence does not list specific cert numbers, but these are standard for the SIRIUS line and can be requested at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT2028-1AN60","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/3RT2028-1AN60 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}}