{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT1016-1KF42","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT1016-1KF42","canonicalUrl":"https://aoctrl.com/siemens/3RT1016-1KF42","factsUrl":"https://aoctrl.com/api/mcp/products/3RT1016-1KF42","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS power contactor, size S00, order code 3RT1016-1KF42, rated 4.5 kW at 500 V, 5.5 kW at 690 V, screw-type terminals, snap-on DIN rail mount.","salesMarkdown":"Rated for 4.5 kW at 500 V and 5.5 kW at 690 V, this contactor handles induction motor switching in AC-2 and AC-4 duty classes — the AC-4 rating of 8.5 A at 400 V tells you it can manage frequent inching or plugging without derating the thermal capacity. The built-in varistor surge suppressor clamps coil transients at DC holding power of 2.3 W, which keeps the control circuit clean and reduces EMI radiated back into the panel wiring. The 45 mm wide body with 57.5 mm height and 72 mm depth fits standard DIN-rail enclosures. Terminals accept 2x (0.5 to 1.5 mm²), 2x (0.75 to 2.5 mm²), or max 2x (0.75 to 4 mm²) solid/stranded conductors, with AWG equivalents 2x (20–16), 2x (18–14), 1x 12 for the main contacts. ## Environmental and coordination For Type 1 coordination (contactor may need replacement after fault), a 35 A fuse is allowed. No second-source cross-reference is officially declared, but the SIRIUS S00 platform is widely stocked.","metaTitle":"Siemens 3RT1016-1KF42 SIRIUS Power Contactor, S00, 4.5 kW at","metaDescription":"Siemens 3RT1016-1KF42 SIRIUS power contactor, size S00, rated 4.5 kW at 500 V / 5.5 kW at 690 V. Current lifecycle stage. Screw terminals, snap-on DIN rail mount. Sourced to order.","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":"110 V","On The Front":"IP20","Initial Value":"0.7","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":"1.25","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","Design of the surge suppressor":"with varistor","Closing power of magnet coil at DC":"2.3 W","Holding power of magnet coil at DC":"2.3 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","For Short-Circuit Protection Of The Auxiliary Switch Required":"fuse gL/gG: 10 A"}},"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=331827&mlfb=3RT1016-1KF42","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT1016-1KF42/alternatives.json"},"ai":{"faq":[{"question":"What are the key ratings for this contactor?","answer":"It is rated 4.5 kW at 500 V and 5.5 kW at 690 V for motor loads, with an AC-4 rating of 8.5 A at 400 V for frequent switching. The coil holds at 110 V rated value, with DC holding power of 2.3 W."},{"question":"What wire sizes does the terminal accept?","answer":"Screw terminals accept 2x (0.5 to 1.5 mm²), 2x (0.75 to 2.5 mm²), or max 2x (0.75 to 4 mm²) solid/stranded, with AWG equivalents 2x (20–16), 2x (18–14), 1x 12 for main contacts."},{"question":"What fuse coordination is recommended?","answer":"For Type 2 coordination (no damage), use a gL/gG fuse rated 20 A. For Type 1 coordination (contactor may be sacrificed), a 35 A fuse is allowed."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT1016-1KF42","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/3RT1016-1KF42 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}}