{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT2023-2AP04","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT2023-2AP04","canonicalUrl":"https://aoctrl.com/siemens/3RT2023-2AP04","factsUrl":"https://aoctrl.com/api/mcp/products/3RT2023-2AP04","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS power contactor, 3RT2023-2AP04, Size S0, 45 mm, spring-type coil terminals, screw and snap-on DIN rail mounting.","salesMarkdown":"The main contacts accept solid or stranded wire from 1 to 10 mm², and the coil auxiliary circuit takes 2x (0.5 to 2.5 mm²) solid or stranded. Depth is 144 mm, so factor that into gland-plate clearance. Rated operational current varies by voltage: at 24 V it's 6 A, at 48 V and 60 V it's 2 A, at 110 V it's 1 A, at 125 V it's 0.9 A, at 220 V it's 0.3 A, at 400 V it's 3 A, at 440 V it's 0.6 A, and at 480 V it's 7.6 A. At 230 V it's rated 1 hp. These are the contact ratings for the main poles — the 480 V 7.6 A figure is the highest, so if you're switching a 480 V motor under 7.6 A, this contactor handles it. Switching frequency: up to 1,000 operating cycles per hour for AC-1, AC-2, AC-3, and AC-3e duty; drops to 300 cycles per hour for AC-4 (plugging/reversing). Mechanical life is typical 10,000,000 operations.","metaTitle":"Siemens 3RT2023-2AP04 SIRIUS Power Contactor, Size S0, 45 mm","metaDescription":"Siemens 3RT2023-2AP04 SIRIUS power contactor, Size S0, 45 mm width, spring-type coil terminals, screw and snap-on DIN rail mount, current production.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactors"],"specifications":{"Depth":"144 mm","Solid":"1 ... 10 mm²","Width":"45 mm","at AC":"4 ... 16 ms","title":"3RT2023-2AP04","Height":"102 mm","Upwards":"10 mm","Forwards":"10 mm","Stranded":"1 ... 10 mm²","at 50 Hz":"0.25","Downwards":"10 mm","Arcing Time":"10 ... 10 ms","At The Side":"6 mm","description":"power contactor, AC-3e/AC-3, 9 A, 4 kW / 400 V, 3-pole, 230 V AC, 50 Hz, auxiliary contacts: 2 NO + 2 NC, spring-loaded terminal, size: S0, removable auxiliary switch","During Storage":"-55 ... +80 °C","Of Magnet Coil":"Spring-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":"No","During Operation":"-25 ... +60 °C","Fastening Method":"screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715","at AC-3e maximum":"1 000 1/h","For Main Contacts":"18 ... 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 ... 2.5 mm²)","Product Brand Name":"SIRIUS","Product Designation":"Power contactor","at 24 V rated value":"6 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":"1 hp","at 400 V rated value":"3 A","at 440 V rated value":"0.6 A","at 480 V rated value":"7.6 A","at 50 Hz rated value":"230 V","at 500 V rated value":"2 A","at 600 V rated value":"9 A","at 690 V rated value":"1 A","Side-By-Side Mounting":"Yes","For Auxiliary Contacts":"20 ... 14","For Main Current Circuit":"spring-loaded terminals","at 110/120 V rated value":"1 hp","at 200/208 V rated value":"2 hp","at 220/230 V rated value":"3 hp","at 460/480 V rated value":"5 hp","at 575/600 V rated value":"7.5 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":"0.6 W","at AC-3e rated value maximum":"690 V","at AC-4 at 400 V rated value":"8.5 A","safety-related switching OFF":"Yes","Substance Prohibitance (Date)":"10/01/2009","at AWG cables for main contacts":"2x (18 ... 8)","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":"7.4 A","For Auxiliary And Control Circuit":"spring-loaded 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":"7.6 W","At Contactor For Auxiliary Contacts":"Spring-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 ... 14)","operational current at AC-12 maximum":"10 A","at AC in hot operating state per pole":"0.2 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)","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 %","Finely Stranded Without Core End Processing":"2x (0.5 ... 2.5 mm²)","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":"170 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 5 S Switching At Zero Current Maximum":"170 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 10 S Switching At Zero Current Maximum":"122 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 30 S Switching At Zero Current Maximum":"78 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 60 S Switching At Zero Current Maximum":"68 A; Use minimum cross-section acc. to AC-1 rated value","contact rating of auxiliary contacts according to UL":"A600 / Q600","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":"2","number of NO contacts for auxiliary contacts instantaneous contact":"2","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/50665010cc3a2aeaec98ef54457f931d.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=325773&mlfb=3RT2023-2AP04"},"ai":{"faq":[{"question":"What is the closest functional second-source to the 3RT2023-2AP04?","answer":"The closest functional peer is the 3RT2025-1AP04-ZX95, which is also a SIRIUS Size S0 contactor but with a different coil termination and auxiliary contact configuration. The 3RT2023-2AP04 uses spring-type coil terminals and has no auxiliary switch, while the 3RT2025-1AP04-ZX95 may differ. Verify coil voltage and auxiliary needs before substituting."},{"question":"What is the depth of the 3RT2023-2AP04?","answer":"The depth is 144 mm."},{"question":"What wire sizes does the 3RT2023-2AP04 accept?","answer":"Main contacts accept solid or stranded wire from 1 to 10 mm². The coil auxiliary circuit accepts 2x (0.5 to 2.5 mm²) solid or stranded."},{"question":"Will the 3RT2023-2AP04 drop into a panel specified around the 3RT2025-1AP04-ZX95 without rewiring?","answer":"Both are Size S0 with the same 45 mm width and DIN rail mount, so the footprint is identical. However, the 3RT2023-2AP04 has spring-type coil terminals and no auxiliary switch, while the 3RT2025-1AP04-ZX95 may have screw terminals and an auxiliary block. Check coil termination type and auxiliary contact count — if those match, it's a direct swap."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT2023-2AP04","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/3RT2023-2AP04 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}}