{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT1026-3AL20-ZW97","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT1026-3AL20-ZW97","canonicalUrl":"https://aoctrl.com/siemens/3RT1026-3AL20-ZW97","factsUrl":"https://aoctrl.com/api/mcp/products/3RT1026-3AL20-ZW97","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RT1026-3AL20-ZW97, size S0 power contactor, 11 kW at 400 V AC-2, screw terminals, snap-on DIN rail.","salesMarkdown":"## Part identity and sourcing posture The 45 mm width (S0 frame) means it fits alongside other S0 devices without odd spacing. For heavy jogging or plugging duty (AC-4), it is rated 15.5 A at 400 V, which is the current the contacts can interrupt under those severe conditions. The AC-12 rating of 10 A covers resistive and transformer loads on the main contacts. For DC switching, the ratings drop off sharply: 10 A at 24 V, 2 A at 60 V, 1 A at 110 V, 0.3 A at 220 V — this is typical for a contactor of this size, so do not expect it to handle heavy DC loads without derating. ## Short-circuit coordination and wiring Type 1 coordination allows a 100 A fuse but the contactor may need replacement after the fault. This matters when specifying the branch circuit protection for a motor starter. Main circuit terminals accept screw-type connections: 2x (0.25...2.5 mm²) solid, 2x (1...2.5 mm²) or 2x (2.5...6 mm²) stranded, up to 2x 10 mm² maximum. AWG equivalents are 2x (16...12) and 2x (14...10), with a single 8 AWG maximum. Strip and torque to the values on the nameplate. The front is IP20 (finger-safe), the terminals are IP00 — so it needs enclosure protection in dusty or wet environments.","metaTitle":"Siemens 3RT1026-3AL20-ZW97 SIRIUS Power Contactor, S0, 11 kW","metaDescription":"Siemens SIRIUS 3RT1026-3AL20-ZW97 power contactor, size S0, 11 kW at 400 V AC-2. Current production. Screw terminals, DIN-rail mount. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"90 mm","Solid":"2x (0.25 ... 2.5 mm²)","Width":"45 mm","Height":"85 mm","Maximum":"2 000 m","at 50 Hz":"0.8 ... 1.1","at 60 Hz":"0.85 ... 1.1","At The Side":"6 mm","On The Front":"IP20","1 Rated Value":"50 Hz","2 Rated Value":"60 Hz","Mounting type":"screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022","Of The Terminal":"IP00","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","Size of contactor":"S0","Product brand name":"SIRIUS","Degree of pollution":"3","Product designation":"power contactor","at 24 V rated value":"10 A","at 60 V rated value":"2 A","Of Contactor Typical":"10 000 000","at 110 V rated value":"1 A","at 220 V rated value":"0.3 A","at 230 V rated value":"6 A","at 400 V rated value":"3 A","at 50 Hz rated value":"230 V","at 500 V rated value":"11 kW","at 60 Hz rated value":"230 V","at 690 V rated value":"11 kW","Instantaneous Contact":"0","Side-by-side mounting":"Yes","For Main Current Circuit":"screw-type terminals","Single Or Multi-Stranded":"2x (1 ... 2,5 mm²), 2x (2,5 ... 6 mm²), max. 2x 10 mm²","at AC-2 at 400 V rated value":"11 kW","at AC-4 at 400 V rated value":"15.5 A","Operating current at AC-12 maximum":"10 A","With Type Of Assignment 2 Required":"fuse gL/gG: 35 A","at AWG conductors for main contacts":"2x (16 ... 12), 2x (14 ... 10), 1x 8","With Type Of Coordination 1 Required":"fuse gL/gG: 100 A","Reference code acc. to DIN EN 81346-2":"Q","Number of NC contacts for main contacts":"0","Number of NO contacts for main contacts":"3","Finely Stranded With Core End Processing":"2x (0.25 ... 1.5 mm²)","Number of poles for main current circuit":"3","at AWG conductors for auxiliary contacts":"2x (24 ... 14)","Contact reliability of auxiliary contacts":"1 faulty switching per 100 million (17 V, 1 mA)","For Auxiliary And Control Current Circuit":"spring-loaded terminals","at ambient temperature 40 °C rated value":"40 A","Apparent holding power of magnet coil at AC":"8.4 V·A","Apparent pick-up power of magnet coil at AC":"64 V·A","Finely Stranded Without Core End Processing":"2x (0.25 ... 2.5 mm²)","Type of voltage of the control supply voltage":"AC","Inductive power factor with closing power of the coil":"0.72","Inductive power factor with the holding power of the coil":"0.24","Of The Contactor With Added Auxiliary Switch Block Typical":"10 000 000","For Short-Circuit Protection Of The Auxiliary Switch Required":"fuse gL/gG: 10 A","Of The Contactor With Added Electronics-Compatible 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=478904&mlfb=3RT1026-3AL20-ZW97","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT1026-3AL20-ZW97/alternatives.json"},"ai":{"faq":[{"question":"What is the closest functional alternative to the 3RT1026-3AL20-ZW97?","answer":"The 3RT1017-1AP01 is a smaller S00 frame contactor with lower ratings — it will not drop into a panel wired for the S0 frame without rewiring and a different DIN-rail footprint. The 3RT1034-1AN60-1AA0 is a larger S2 frame unit. The 3RT1026-3AL20-ZW97 is the correct S0 frame part for 11 kW AC-2 motor loads; there is no direct drop-in second source from the same series."},{"question":"What is the depth of the 3RT1026-3AL20-ZW97?","answer":"The depth is 90 mm, with a width of 45 mm and height of 85 mm. This is the S0 frame envelope."},{"question":"What compliance documentation is available for this contactor?","answer":"The part carries the SIRIUS brand from Siemens and is designed to IEC/EN 60947-4-1 standards. Specific RoHS, REACH, and UL documentation is typically provided with the shipment or available from the manufacturer upon request."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT1026-3AL20-ZW97","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/3RT1026-3AL20-ZW97 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}}