{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT1016-1BA42","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT1016-1BA42","canonicalUrl":"https://aoctrl.com/siemens/3RT1016-1BA42","factsUrl":"https://aoctrl.com/api/mcp/products/3RT1016-1BA42","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS power contactor, Size S00, 3RT1016-1BA42, 10 A AC-12, 4.5 kW / 5.5 kW motor ratings, screw terminals, 45 mm width, IP20.","salesMarkdown":"Rated for AC-12 duty at 10 A maximum, this contactor handles resistive and lightly inductive loads in control circuits. For motor switching, it carries 4.5 kW at 400 V (AC-2) and 5.5 kW at 690 V, covering common three-phase induction motors in that power band. For motor duty, look at the AC-2 rating (4 kW at 400 V) which covers slip-ring motors, or the AC-4 rating (8.5 A at 400 V) for reversing or plugging duty. The 4.5 kW at 400 V and 5.5 kW at 690 V ratings are the practical motor sizing numbers for standard induction motors. DC switching capability is specified across voltages: 10 A at 24 V, 2 A at 60 V, 1 A at 110 V, and 0.3 A at 220 V. That covers DC coil circuits and small DC load switching in mixed-voltage panels. The magnet coil draws 3.3 W both during closing and holding — a DC-operated coil that doesn't spike on pickup, which simplifies the power supply sizing in the panel. Type 2 coordination requires a 20 A gL/gG fuse; Type 1 allows a 35 A fuse. That's the short-circuit protection the upstream breaker or fuse must provide to keep the contactor from welding on a fault. ## Physical integration Depth is 72 mm, which clears most standard enclosure depths. Screw-type terminals on the main circuit accept 2x (0.5 to 1.5 mm²), 2x (0.75 to 2.5 mm²), or up to 2x (0.75 to 4 mm²) — covering standard control wiring. AWG equivalents are 2x (20 to 16), 2x (18 to 14), and 1x 12. Front and terminal protection is IP20, meaning finger-safe but not washdown-rated.","metaTitle":"Siemens 3RT1016-1BA42 SIRIUS Power Contactor, Size S00, 10A","metaDescription":"Siemens 3RT1016-1BA42 SIRIUS power contactor, Size S00, 10 A AC-12 rated, 4.5 kW at 400 V, 5.5 kW at 690 V. Current lifecycle stage. Screw terminals, 45 mm wide, IP20. Sourced to o","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Depth":"72 mm","Solid":"2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), max. 2x (0.75 ... 4 mm²)","Width":"45 mm","Height":"57.5 mm","Maximum":"2 000 m","At The Side":"6 mm","Rated Value":"12 V","On The Front":"IP20","Initial Value":"0.85","Mounting type":"screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022","Of The Terminal":"IP20","lifecycle_stage":"current","During Operation":"-25 ... +60 °C","Full-scale value":"1.1","Size of contactor":"S00","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":"30 000 000","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 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 (0,5 ... 1,5 mm²), 2x (0,75 ... 2,5 mm²), max. 2x (0,75 ... 4 mm²)","at AC-2 at 400 V rated value":"4 kW","at AC-4 at 400 V rated value":"8.5 A","Closing power of magnet coil at DC":"3.3 W","Holding power of magnet coil at DC":"3.3 W","Operating current at AC-12 maximum":"10 A","With Type Of Assignment 2 Required":"fuse gL/gG: 20 A","at AWG conductors for main contacts":"2x (20 ... 16), 2x (18 ... 14), 1x 12","With Type Of Coordination 1 Required":"fuse gL/gG: 35 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":"22 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=214280&mlfb=3RT1016-1BA42","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT1016-1BA42/alternatives.json"},"ai":{"faq":[{"question":"What are the key ratings for this contactor?","answer":"AC-12 rated 10 A maximum for resistive loads. Motor ratings: 4.5 kW at 400 V, 5.5 kW at 690 V. DC switching: 10 A at 24 V, 2 A at 60 V, 1 A at 110 V, 0.3 A at 220 V. Coil consumption is 3.3 W DC."},{"question":"What fuse coordination is required?","answer":"Type 2 coordination requires a 20 A gL/gG fuse; Type 1 coordination allows a 35 A gL/gG fuse."},{"question":"What are the mounting dimensions?","answer":"Width 45 mm, height 57.5 mm, depth 72 mm. Mounts on 35 mm DIN rail per DIN EN 50022. Side-by-side mounting requires 6 mm spacing."},{"question":"What wire sizes does the screw terminal accept?","answer":"Main circuit terminals accept 2x (0.5 to 1.5 mm²), 2x (0.75 to 2.5 mm²), or up to 2x (0.75 to 4 mm²). AWG equivalents: 2x (20 to 16), 2x (18 to 14), 1x 12."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT1016-1BA42","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/3RT1016-1BA42 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}}