{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT1446-6BB46-ZX95","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT1446-6BB46-ZX95","canonicalUrl":"https://aoctrl.com/siemens/3RT1446-6BB46-ZX95","factsUrl":"https://aoctrl.com/api/mcp/products/3RT1446-6BB46-ZX95","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS S3 power contactor, 3RT1446-6BB46-ZX95, size S3, 24 VDC coil, screw-type terminals, 38.2 kW at 690 V AC-3, 152 mm depth, 90 mm width, 146 mm height.","salesMarkdown":"## SIRIUS S3 Power Contactor — 3RT1446-6BB46-ZX95 The Siemens 3RT1446-6BB46-ZX95 is a SIRIUS S3 power contactor, rated for motor switching up to 38.2 kW at 690 V AC-3 and 29.9 kW at 500 V. The 24 VDC coil holds at 10 A, with pickup at 0.8x rated voltage and dropout at 1.1x. Snap-on mounting onto 35 mm or 75 mm standard DIN rail, with screw fastening as an option. Side-by-side mounting permitted without derating for heat buildup. Dimensions: 152 mm depth, 90 mm width, 146 mm height. ## Wire Termination and Temperature Derating Main circuit screw terminals accept solid conductors: 2x (0.5–1.5 mm²), 2x (0.75–2.5 mm²), max 2x (0.75–4 mm²); AWG range 7–1/0. At 40 °C ambient, minimum permissible conductor size is 50 mm²; at 60 °C, 35 mm².","metaTitle":"Siemens 3RT1446-6BB46-ZX95 SIRIUS S3 Power Contactor, 24 VDC","metaDescription":"Siemens SIRIUS S3 power contactor 3RT1446-6BB46-ZX95, 24 VDC coil, 38.2 kW at 690 V AC-3, screw terminals, snap-on DIN rail. Active production. Quoted to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"152 mm","Solid":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), max. 2x (0.75 ... 4 mm²)","Width":"90 mm","at DC":"14 ... 20 ms","Height":"146 mm","Arcing Time":"10 ... 15 ms","Rated Value":"24 V","On The Front":"IP00","Initial Value":"0.8","During Storage":"-55 ... +80 °C","Of The Terminal":"IP00","at AC-1 maximum":"650 1/h","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","Fastening Method":"screw and snap-on mounting onto 35 mm and 75 mm standard mounting rail","Full-Scale Value":"1.1","Size Of Contactor":"S3","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":"29.9 kW","at 690 V rated value":"38.2 kW","Side-By-Side Mounting":"Yes","For Main Current Circuit":"screw-type terminals","at AC-2 at 400 V rated value":"22 kW","Substance Prohibitance (Date)":"05/01/2012","at 40 °C minimum permissible":"50 mm²","at 60 °C minimum permissible":"35 mm²","Insulation Voltage Rated Value":"1 000 V","at 230 V at 60 °C rated value":"50 kW","at 690 V at 60 °C rated value":"148 kW","at AWG cables for main contacts":"7 ... 1/0","For Auxiliary And Control Circuit":"screw-type terminals","With Type Of Assignment 2 Required":"Fuse gR: 250 A","closing power of magnet coil at DC":"15 W","holding power of magnet coil at DC":"15 W","Surge Voltage Resistance Rated Value":"6 kV","With Type Of Coordination 1 Required":"fuse gL/gG: 250 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":"600 A","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=134918&mlfb=3RT1446-6BB46-ZX95","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT1446-6BB46-ZX95/alternatives.json"},"ai":{"faq":[{"question":"What is the closest functional second-source for 3RT1446-6BB46-ZX95?","answer":"The 3RT1044-1FB46 is a smaller-frame SIRIUS contactor but shares the same 24 VDC coil voltage and screw-terminal design. However, the S3 frame (3RT1446) handles higher motor powers — up to 38.2 kW at 690 V versus the S2 frame's lower rating. A panel built for the S2 frame will need rewiring to accommodate the S3's larger footprint and higher current capacity."},{"question":"What compliance documentation is available for 3RT1446-6BB46-ZX95?","answer":"The part carries RoHS substance prohibition compliance dated 05/01/2012. Rated insulation voltage is 1000 V, indicating IEC 60947-4-1 design. Standard Siemens SIRIUS documentation (declaration of conformity, CE, UKCA) applies; contact our team for specific cert copies with your RFQ."},{"question":"Where can I buy 3RT1446-6BB46-ZX95 and how is it quoted?","answer":"This part is sourced through independent industrial distribution. Submit an RFQ for your target quantity; we confirm availability and current pricing at quote time. No minimum order quantity restrictions — single units or volume lots, same process."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT1446-6BB46-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/3RT1446-6BB46-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}}