{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT1023-1AU60","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT1023-1AU60","canonicalUrl":"https://aoctrl.com/siemens/3RT1023-1AU60","factsUrl":"https://aoctrl.com/api/mcp/products/3RT1023-1AU60","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS power contactor, size S0, 3 NO main contacts, screw terminals, 8.5 A AC-4 at 400 V, 45 mm width, DIN-rail mount.","salesMarkdown":"The Siemens 3RT1023-1AU60 is a SIRIUS S0 power contactor with three normally-open main contacts and screw-type terminals, rated for motor switching in control panels and industrial machinery. The headline motor-switching number is 8.5 A in AC-4 duty at 400 V — that's the reversing / plugging / inching current, not the steady-run rating. For AC-2 (slip-ring motor starting) the same contactor carries 4 kW at 400 V. Auxiliary contact ratings cover a wide control-voltage spread: 10 A at 24 V, 6 A at 230 V, 3 A at 400 V, and 0.3 A at 220 V DC. The DC curve drops fast — verify your pilot-duty load against the 220 V DC figure if you're switching DC solenoids or relays. Screw terminals accept solid or stranded copper: main circuit wires from 1 to 10 mm² (2x 1–2.5 mm² or 2x 2.5–6 mm², max 2x 10 mm²), auxiliary circuits from 0.5 to 4 mm². Strip length and torque follow standard Siemens practice for S0 frames. Side-by-side mounting is allowed with no derating gap — the 6 mm side clearance is for air circulation, not mandatory spacing.","metaTitle":"Siemens 3RT1023-1AU60 SIRIUS S0 Power Contactor, 3 NO, 8.5 A","metaDescription":"Siemens 3RT1023-1AU60 SIRIUS power contactor, size S0, 3 NO main contacts, 8.5 A AC-4 at 400 V. Screw terminals, DIN-rail mount. Active production. Sourced to order.","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 60 Hz":"0.8 ... 1.1","At The Side":"6 mm","On The Front":"IP20","1 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 500 V rated value":"4.5 kW","at 60 Hz rated value":"277 V","at 690 V rated value":"5.5 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":"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":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=161864&mlfb=3RT1023-1AU60","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT1023-1AU60/alternatives.json"},"ai":{"faq":[{"question":"What is the closest functional second-source to 3RT1023-1AU60?","answer":"The 3RT1023-1AL20 is a direct peer in the same S0 frame with identical 3 NO main contacts and screw terminals. The difference is in the coil voltage — 1AU60 uses a different control voltage than 1AL20. Check your control circuit voltage before swapping; the mechanical fit and terminal layout are the same."},{"question":"Will 3RT1023-1AU60 drop into a panel specified around 3RT1023-1AL20 without rewiring?","answer":"Yes, the physical footprint (45 mm width, 85 mm height, 91 mm depth) and DIN-rail mounting are identical. The screw terminal layout and wire ranges match. The only variable is the coil — verify the control voltage matches your circuit."},{"question":"Where can I buy 3RT1023-1AU60 and what is the lead time?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution channels. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm lead-time and price quote."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT1023-1AU60","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/3RT1023-1AU60 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}}