{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT1024-1AL20-ZX95","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT1024-1AL20-ZX95","canonicalUrl":"https://aoctrl.com/siemens/3RT1024-1AL20-ZX95","factsUrl":"https://aoctrl.com/api/mcp/products/3RT1024-1AL20-ZX95","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RT1024-1AL20-ZX95 power contactor, size S0, 10 A AC-12, 7.5 kW at 690 V, screw-type terminals, current production.","salesMarkdown":"IP20 on the front, IP00 at the terminals — that's typical for a panel-mounted contactor; the terminals need to be inside an enclosure. Compared to the 3RT1023-1AL20, the 3RT1024 steps up in current handling. The 3RT1023 is a smaller frame; this one gives you the 10 A AC-12 rating and higher motor kW values (7.5 kW at 690 V versus the 1023's lower ratings). If your BOM called for the 1023 but your load calculations came in higher, this is the natural bump without changing rail footprint or terminal style. Wire sizes: accepts 2x (0.5 to 1.5 mm²) solid or 2x (0.75 to 2.5 mm²) stranded for control circuits, and up to 2x 10 mm² for the main power circuit. For short-circuit protection with Type 2 coordination, use a 25 A gL/gG fuse; for Type 1, a 63 A fuse. That's important for selectivity studies if you're coordinating upstream breakers.","metaTitle":"Siemens 3RT1024-1AL20-ZX95 SIRIUS Power Contactor, S0, 10A A","metaDescription":"Siemens SIRIUS 3RT1024-1AL20-ZX95 power contactor, size S0, 10A AC-12 operating current, 7.5 kW at 690V, screw terminals, current production.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"91 mm","Solid":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), max. 2x (0.75 ... 4 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":"7.5 kW","at 60 Hz rated value":"230 V","at 690 V rated value":"7.5 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":"5.5 kW","at AC-4 at 400 V rated value":"12.5 A","Operating current at AC-12 maximum":"10 A","With Type Of Assignment 2 Required":"fuse gL/gG: 25 A","at AWG conductors for main contacts":"2x (16 ... 12), 2x (14 ... 10), 1x 8","With Type Of Coordination 1 Required":"fuse gL/gG: 63 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 (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)","Number of poles for main current circuit":"3","at AWG conductors for auxiliary contacts":"2x (20 ... 16), 2x (18 ... 14), 1x 12","Contact reliability of auxiliary contacts":"1 faulty switching per 100 million (17 V, 1 mA)","For Auxiliary And Control Current Circuit":"screw-type 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","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=169622&mlfb=3RT1024-1AL20-ZX95","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT1024-1AL20-ZX95/alternatives.json"},"ai":{"faq":[{"question":"What is the closest functional second-source to 3RT1024-1AL20-ZX95?","answer":"The closest functional peer is the 3RT1023-1AL20, but it's a smaller frame with lower current ratings. The 3RT1024 gives you 10 A AC-12 and 7.5 kW at 690 V, while the 1023 steps down. If your panel was designed around the 1023 and you need more headroom, the 1024 drops into the same 45 mm DIN rail footprint with the same screw terminal style."},{"question":"What is the depth of 3RT1024-1AL20-ZX95?","answer":"The depth is 91 mm, with a width of 45 mm and height of 85 mm. That's the standard S0 size footprint, so it fits existing panel cutouts and DIN rail spacing without surprises."},{"question":"What wire sizes does the 3RT1024-1AL20-ZX95 accept?","answer":"For the main power circuit, it accepts 2x (1 to 2.5 mm²) or 2x (2.5 to 6 mm²) stranded, with a maximum of 2x 10 mm². For control circuits, it takes 2x (0.5 to 1.5 mm²) solid or 2x (0.75 to 2.5 mm²) stranded. AWG equivalents are 2x (16 to 12) or 2x (14 to 10) for mains, and 1x 8 maximum."},{"question":"Will 3RT1024-1AL20-ZX95 drop into a panel specified around 3RT1023-1AL20 without rewiring?","answer":"Yes, the physical footprint is identical — both are size S0 with 45 mm width and the same DIN rail mounting. The terminal layout and screw-type connections are the same. However, verify your fuse coordination: the 3RT1024 may require a larger fuse (25 A gL/gG for Type 2 coordination versus whatever the 1023 called for) if you're running higher loads."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT1024-1AL20-ZX95","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/3RT1024-1AL20-ZX95 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}}