{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT1024-1BD44-1AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT1024-1BD44-1AA0","canonicalUrl":"https://aoctrl.com/siemens/3RT1024-1BD44-1AA0","factsUrl":"https://aoctrl.com/api/mcp/products/3RT1024-1BD44-1AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS, power contactor, S0 frame, 3RT1024-1BD44-1AA0, 7.5 kW at 500/690 V AC-3, 12.5 A AC-4, 24 VDC coil, screw terminals, IP20 front.","salesMarkdown":"The Siemens 3RT1024-1BD44-1AA0 is a SIRIUS S0-frame power contactor rated for motor switching at 7.5 kW on 500 V and 690 V AC-3 duty, with a 24 VDC magnet coil. The screw-type main terminals accept up to 2x 10 mm² stranded, and the auxiliary contact block has one N/O and one N/C instantaneous contact. The AC-3 motor rating of 7.5 kW at both 500 V and 690 V tells you this contactor handles a standard 7.5 kW induction motor across common European voltage levels without derating. The AC-4 rating of 12.5 A at 400 V governs plugging and jogging duty — if your application cycles the motor in reverse or in steps, this is the current limit that matters, not the higher AC-3 figure. The 24 VDC coil draws 5.4 W on pickup and 5.4 W holding, so it stays cool in a sealed enclosure and can be driven directly by a PLC output with a suitable free-wheel diode. For short-circuit protection, the contactor requires a gL/gG fuse rated 25 A for Type 2 coordination (no welding after a fault) and 63 A for Type 1 (welding allowed, replace the contactor). Side-by-side mounting is allowed with a 6 mm gap at the side for heat dissipation. The IP20 front enclosure protects against finger contact, while the terminals themselves are IP00 — standard for panel-mount contactors where the cabinet provides the overall ingress protection.","metaTitle":"Siemens 3RT1024-1BD44-1AA0 SIRIUS Power Contactor, S0 Frame,","metaDescription":"Siemens SIRIUS 3RT1024-1BD44-1AA0 power contactor, S0 frame, 7.5 kW at 500/690V AC-3, 12.5 A AC-4. Screw terminals, 24 VDC coil. Current production, available to order. Request quo","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"150 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 The Side":"6 mm","Rated Value":"42 V","On The Front":"IP20","Initial Value":"0.8","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","Full-scale value":"1.1","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":"7.5 kW","at 690 V rated value":"7.5 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":"5.5 kW","at AC-4 at 400 V rated value":"12.5 A","Closing power of magnet coil at DC":"5.4 W","Holding power of magnet coil at DC":"5.4 W","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","Type of voltage of the control supply voltage":"DC","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=34916&mlfb=3RT1024-1BD44-1AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT1024-1BD44-1AA0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3RT1024-1BD44-1AA0 and get a price?","answer":"This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and lead time."},{"question":"What is the depth of 3RT1024-1BD44-1AA0?","answer":"The depth is 150 mm, with a width of 45 mm and height of 85 mm."},{"question":"What wire sizes does the main terminal accept?","answer":"The screw-type main terminals accept 2x (0.5 to 1.5 mm²), 2x (0.75 to 2.5 mm²), and up to 2x (0.75 to 4 mm²) solid, or 2x (1 to 2.5 mm²), 2x (2.5 to 6 mm²), and up to 2x 10 mm² stranded. AWG equivalents are 2x (16 to 12), 2x (14 to 10), and 1x 8."},{"question":"Will 3RT1024-1BD44-1AA0 drop into a panel specified around 3RT1023-1AL20?","answer":"No — the 3RT1023 is an S00-frame contactor (45 mm wide but shallower and with lower current ratings). The S0 frame of the 3RT1024 is physically larger and requires more depth and clearance. The mounting rail position may align, but the terminal layout and heat dissipation differ — rewiring is required."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT1024-1BD44-1AA0","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/3RT1024-1BD44-1AA0 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}}