{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT1034-1BB44-0AA1-ZX95","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT1034-1BB44-0AA1-ZX95","canonicalUrl":"https://aoctrl.com/siemens/3RT1034-1BB44-0AA1-ZX95","factsUrl":"https://aoctrl.com/api/mcp/products/3RT1034-1BB44-0AA1-ZX95","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RT1034-1BB44-0AA1-ZX95 power contactor, 24 VDC coil, S2 frame size, screw-type terminals, 55 mm width, 179 mm depth.","salesMarkdown":"Its AC-3 rating delivers 18.5 kW at 500 V and 10 kW at 690 V, covering common three-phase induction motors in that power band. The 55 mm width and 179 mm depth fit standard S2 contactor footprints; the 112 mm height leaves clearance for auxiliary contact blocks above. Screw-type terminals on the main circuit accept stranded conductors up to 2x 25 mm², solid conductors up to 2x 4 mm², and a minimum of 16 mm² at 40 °C ambient. The 24 VDC coil draws 10 A at rated voltage, with an arcing time of 10 to 15 ms and DC dropout delay of 20 to 30 ms. Maximum mechanical switching frequency is 10 million operations. Electrical endurance varies by duty: 1,200 operations/hour at AC-1 (resistive), 1,000 at AC-3 (motor running), 750 at AC-2 (slip-ring motor), and 250 at AC-4 (plugging/reversing). Coil suppression is internal; for inductive loads downstream, verify free-wheel diode polarity.","metaTitle":"Siemens SIRIUS 3RT1034-1BB44-0AA1-ZX95 Power Contactor, 24 V","metaDescription":"Siemens SIRIUS 3RT1034-1BB44-0AA1-ZX95 power contactor, 24 VDC coil, S2 size. AC-3 rated 18.5 kW at 500 V, 10 kW at 690 V. Current production. Screw terminals, DIN rail mount. RoHS","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"179 mm","Solid":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), max. 2x (0.75 ... 4 mm²)","Width":"55 mm","at DC":"20 ... 30 ms","Height":"112 mm","Stranded":"2x (0.75 ... 25 mm²)","Arcing Time":"10 ... 15 ms","Rated Value":"24 V","On The Front":"IP20","Initial Value":"0.8","During Storage":"-55 ... +80 °C","Of The Terminal":"IP00","at AC-1 maximum":"1 200 1/h","at AC-2 maximum":"750 1/h","at AC-3 maximum":"1 000 1/h","at AC-4 maximum":"250 1/h","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","Fastening Method":"screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022","Full-Scale Value":"1.1","Size Of Contactor":"S2","Solid Or Stranded":"2x (0.75 ... 16 mm²)","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":"18.5 kW","at 690 V rated value":"10 kW","Side-By-Side Mounting":"Yes","For Main Current Circuit":"screw-type terminals","at AC-2 at 400 V rated value":"15 kW","at AC-4 at 400 V rated value":"29 A","Substance Prohibitance (Date)":"05/01/2012","at 40 °C minimum permissible":"16 mm²","at 60 °C minimum permissible":"10 mm²","Insulation Voltage Rated Value":"690 V","at 230 V at 60 °C rated value":"18 kW","at 690 V at 60 °C rated value":"54 kW","at AWG cables for main contacts":"2x (18 ... 2)","For Auxiliary And Control Circuit":"screw-type terminals","With Type Of Assignment 2 Required":"fuse gL/gG: 63 A","closing power of magnet coil at DC":"13.3 W","holding power of magnet coil at DC":"13.3 W","Surge Voltage Resistance Rated Value":"6 kV","With Type Of Coordination 1 Required":"fuse gL/gG: 125 A","at AWG cables for auxiliary contacts":"2x (20 ... 16), 2x (18 ... 14), 1x 12","operational current at AC-12 maximum":"10 A","number of NC contacts for main contacts":"0","number of NO contacts for main contacts":"3","reference code according to IEC 81346-2":"Q","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","Contact Reliability Of Auxiliary Contacts":"1 faulty switching per 100 million (17 V, 1 mA)","Thermal Short-Time Current Limited To 10 S":"320 A","Finely Stranded Without Core End Processing":"2x (0.75 ... 16 mm²)","Type Of Voltage Of The Control Supply Voltage":"DC","Required Spacing For Grounded Parts At The Side":"6 mm","contact rating of auxiliary contacts according to UL":"A600 / Q600","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","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","number of NC contacts for auxiliary contacts instantaneous contact":"2","number of NO contacts for auxiliary contacts instantaneous contact":"2","Of The Contactor With Added Electronically Optimized 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=512452&mlfb=3RT1034-1BB44-0AA1-ZX95","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT1034-1BB44-0AA1-ZX95/alternatives.json"},"ai":{"faq":[{"question":"What are the key motor power ratings for this contactor?","answer":"AC-3 duty delivers 18.5 kW at 500 V and 10 kW at 690 V. AC-2 duty is rated 15 kW at 400 V. AC-4 duty is rated 29 A at 400 V."},{"question":"What compliance documentation is available for this part?","answer":"RoHS compliance is documented with a substance prohibition date of May 1, 2012, covering REACH and EU directives. The product carries IP20 front protection and IP00 terminal protection per IEC 60947."},{"question":"What are the mounting options for this contactor?","answer":"Screw fixing or snap-on mounting onto a 35 mm standard mounting rail per DIN EN 50022. Side-by-side mounting is permitted."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT1034-1BB44-0AA1-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/3RT1034-1BB44-0AA1-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}}