{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT2025-2AL20-ZW96","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT2025-2AL20-ZW96","canonicalUrl":"https://aoctrl.com/siemens/3RT2025-2AL20-ZW96","factsUrl":"https://aoctrl.com/api/mcp/products/3RT2025-2AL20-ZW96","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RT2025-2AL20-ZW96 power contactor, size S0, 45 mm width, 97 mm depth, spring-type coil terminals, screw and snap-on DIN rail mounting.","salesMarkdown":"## S0 frame contactor with spring-type coil terminals The 3RT2025-2AL20-ZW96: The coil connection uses spring-type terminals, which speeds wiring and resists loosening under vibration compared to screw terminals. ## Switching frequency and duty class limits Rated for 1,000 operating cycles per hour in AC-1, AC-2, AC-3, and AC-3e duty, but derates to 300 cycles per hour in AC-4 — the higher arc energy in reversing or plugging duty governs the thermal limit of the contactor. Mechanical endurance is 10 million operating cycles typical, so the contactor outlasts most panel-mounted electromechanical components in normal motor-starting service. ## Mounting position and clearance envelope Minimum clearances to adjacent metalwork: 10 mm upwards, downwards, and forwards; 6 mm at the sides. The arcing time is 10 ms, so the 10 mm forward gap is the arc-chamber vent path, not a suggestion. ## Wire range and auxiliary contact ratings Motor horsepower rating is 3 hp at 230 V, which aligns with typical S0-frame motor-switching applications in North American 230 V three-phase systems. ## Temperature envelope and storage limits The 20 °C gap between operating and storage high limits means the contactor can sit in a hot warehouse or unventilated enclosure without damage, provided it is not energized above 60 °C.","metaTitle":"Siemens 3RT2025-2AL20-ZW96 SIRIUS Contactor, S0 Frame, 45 mm","metaDescription":"Siemens 3RT2025-2AL20-ZW96 SIRIUS power contactor, size S0, 45 mm width, 97 mm depth. Spring-type coil terminals, screw and snap-on DIN rail mount.","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":"3RT2025-2AL20-ZW96","Height":"102 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, 17 A, 7.5 kW / 400 V, 3-pole, 230 V AC, 50/60 Hz, auxiliary contacts: 1 NO + 1 NC, spring-loaded terminal, size: S0, multi-unit packaging, pack = 18 units","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":"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":"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":"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":"230 V","at 500 V rated value":"2 A","at 60 Hz rated value":"230 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":"spring-loaded 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":"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":"7.9 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)","operational current at AC-12 maximum":"10 A","at AC in hot operating state per pole":"0.6 W","for AWG cables for auxiliary contacts":"2x (20 ... 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)","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":"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","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Of The Contactor With Added Auxiliary Switch Block Typical":"10 000 000","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/fd159b04951db5ae57edb961b20bb034.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=665290&mlfb=3RT2025-2AL20-ZW96"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT2025-2AL20-ZW96","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/3RT2025-2AL20-ZW96 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}}