{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT1023-1AK64","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT1023-1AK64","canonicalUrl":"https://aoctrl.com/siemens/3RT1023-1AK64","factsUrl":"https://aoctrl.com/api/mcp/products/3RT1023-1AK64","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RT1023-1AK64 power contactor, Size S0, 45 mm width, screw-type terminals, 4.5 kW at 500 V / 5.5 kW at 690 V motor ratings, 2 NO + 2 NC auxiliary contacts.","salesMarkdown":"## SIRIUS 3RT1023-1AK64 — panel integration notes Rated for motor duty: 4.5 kW at 500 V (AC-3, 50/60 Hz) and 5.5 kW at 690 V. For AC-2 duty at 400 V, it delivers 4 kW; AC-4 at 400 V is rated 8.5 A. The auxiliary contact block carries 2 NO + 2 NC instantaneous contacts, rated 10 A at 24 V, 6 A at 230 V, 3 A at 400 V, and 0.3 A at 220 V — covering pilot-duty and PLC interface signals without an add-on module. Main circuit terminals accept screw-type connections: 2x (1.0–2.5 mm²) solid or 2x (2.5–6 mm²) stranded, max 2x 10 mm². Auxiliary terminals accept 2x (0.5–1.5 mm²) solid or 2x (0.75–2.5 mm²) stranded, max 2x 4 mm². AWG equivalents: main 2x (16–12) solid, 2x (14–10) stranded, 1x 8; aux 2x (20–16) solid, 2x (18–14) stranded.","metaTitle":"Siemens 3RT1023-1AK64 SIRIUS Power Contactor, Size S0, 4.5 k","metaDescription":"Siemens 3RT1023-1AK64 SIRIUS power contactor, Size S0, 45 mm wide, screw terminals, 4.5 kW at 500 V / 5.5 kW at 690 V motor ratings. Active production, available to order. Request","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"140 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":"0.8 ... 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":"110 V","at 500 V rated value":"4.5 kW","at 60 Hz rated value":"120 V","at 690 V rated value":"5.5 kW","Instantaneous Contact":"2","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":"4 kW","at AC-4 at 400 V rated value":"8.5 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":"7.5 V·A","Apparent pick-up power of magnet coil at AC":"69 V·A","Type of voltage of the control supply voltage":"AC","Inductive power factor with closing power of the coil":"0.76","Inductive power factor with the holding power of the coil":"0.28","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":"$31.33","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=109197&mlfb=3RT1023-1AK64","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT1023-1AK64/alternatives.json"},"ai":{"faq":[{"question":"What is the closest functional second-source for 3RT1023-1AK64?","answer":"The 3RT1023-1AL20 is a peer within the same Size S0 frame and SIRIUS family, sharing the same 45 mm width and DIN-rail mounting. The key difference is the coil voltage: 1AK64 uses a 110 V AC 50 Hz / 120 V AC 60 Hz coil, while 1AL20 uses a different coil voltage. Verify coil compatibility before substituting."},{"question":"How do I get current pricing and availability for 3RT1023-1AK64?","answer":"Submit an RFQ through this listing. Pricing and stock are confirmed at quote time through independent distribution channels — no figures are published here."},{"question":"What are the motor power ratings for 3RT1023-1AK64?","answer":"Rated motor power is 4.5 kW at 500 V and 5.5 kW at 690 V, both at 50/60 Hz AC-3 duty."},{"question":"Will 3RT1023-1AK64 drop into a panel specified around 3RT1023-1AL20 without rewiring?","answer":"Mechanically yes — both are Size S0, 45 mm wide, same DIN-rail footprint and screw-terminal layout. But the coil voltage differs: 1AK64 is 110 V AC 50 Hz / 120 V AC 60 Hz. If the panel was wired for a different coil voltage, the control circuit must be re-terminated or a new coil ordered."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT1023-1AK64","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/3RT1023-1AK64 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}}