{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT2016-2VB42","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT2016-2VB42","canonicalUrl":"https://aoctrl.com/siemens/3RT2016-2VB42","factsUrl":"https://aoctrl.com/api/mcp/products/3RT2016-2VB42","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS coupling contactor, Size S00, 24 VDC coil, spring-type terminals, 45 mm width, 73 mm depth, screw and snap-on mounting onto 35 mm DIN rail.","salesMarkdown":"The Siemens 3RT2016-2VB42 is a SIRIUS coupling contactor in Size S00, designed for switching DC loads up to 10 A at 24 V, 2 A at 48 V or 60 V, 1 A at 110 V, 0.9 A at 125 V, 0.3 A at 220 V, and 3 A at 400 V. It is a current-production part, meaning it remains a standard catalog item for new panel builds and critical-spare holding alike. The 24 VDC coil has a rated value of 24 V, a pick-up threshold of 0.85, and a drop-out threshold of 0.85, with an arcing time of 10–15 ms and a DC operating time of 20–80 ms. Spring-type terminals accept solid or stranded wire from 0.5 to 4 mm² (2x 0.5–4 mm² per clamp), which covers most control-circuit wiring gauges without needing ferrules. The contactor mounts via screw or snap-on onto 35 mm DIN rail per DIN EN 60715, and the mounting position allows ±180° rotation on a vertical surface plus ±22.5° tilt forward/backward — useful when fitting into a crowded panel where orientation is constrained. ## Switching frequency and duty-cycle limits Maximum switching frequency depends on the duty class: 1,000 operations per hour at AC-1 (resistive), 750/h at AC-2 and AC-3 (motor starting/running), 750/h at AC-3e (enhanced motor), and 250/h at AC-4 (plugging/reversing/inching). These are the thermal limits of the contactor — exceeding them accelerates wear on the main contacts, which are rated for 20–12 million mechanical operations typical. For a coupling contactor switching DC loads, the AC-3/AC-3e figure of 750/h is a safe upper bound for most interposing applications. ## Environmental and installation limits These clearances matter when packing multiple contactors side-by-side in a panel — the 6 mm side gap is tighter than the vertical ones, so plan your rail layout accordingly.","metaTitle":"Siemens 3RT2016-2VB42 SIRIUS Coupling Contactor, Size S00, 2","metaDescription":"Siemens SIRIUS 3RT2016-2VB42 coupling contactor, Size S00, 24 VDC coil, spring-type terminals, 45 mm wide. Active production. Sourced to order. RFQ for pricing.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Contactors"],"specifications":{"Depth":"73 mm","Solid":"0.5 ... 4 mm²","Width":"45 mm","at DC":"20 ... 80 ms","Height":"70 mm","Upwards":"10 mm","Forwards":"10 mm","Stranded":"0.5 ... 4 mm²","Downwards":"10 mm","Arcing Time":"10 ... 15 ms","At The Side":"6 mm","Rated Value":"24 V","Initial Value":"0.85","During Storage":"-55 ... +80 °C","Of Magnet Coil":"Spring-type terminals","at AC-1 maximum":"1 000 1/h","at AC-2 maximum":"750 1/h","at AC-3 maximum":"750 1/h","at AC-4 maximum":"250 1/h","lifecycle_stage":"current","Auxiliary Switch":"No","During Operation":"-25 ... +60 °C","Fastening Method":"screw and snap-on mounting onto 35 mm DIN rail according to DIN EN 60715","Full-Scale Value":"1.85","at AC-3e maximum":"750 1/h","For Main Contacts":"20 ... 12","Mounting Position":"+/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface","Size Of Contactor":"S00","Solid Or Stranded":"2x (0,5 ... 4 mm²)","Product Brand Name":"SIRIUS","Product Designation":"Coupling contactor","at 24 V rated value":"10 A","at 48 V rated value":"2 A","at 60 V rated value":"2 A","Of Contactor Typical":"30 000 000","at 110 V rated value":"1 A","at 125 V rated value":"0.9 A","at 220 V rated value":"0.3 A","at 230 V rated value":"1 hp","at 400 V rated value":"3 A","at 440 V rated value":"0.2 A","at 480 V rated value":"7.6 A","at 500 V rated value":"2 A","at 600 V rated value":"9 A","at 690 V rated value":"1 A","Side-By-Side Mounting":"Yes","For Auxiliary Contacts":"20 ... 12","For Main Current Circuit":"spring-loaded terminals","at 110/120 V rated value":"0.33 hp","at 200/208 V rated value":"2 hp","at 220/230 V rated value":"3 hp","at 460/480 V rated value":"5 hp","at 575/600 V rated value":"7.5 hp","Relative Humidity Minimum":"10 %","Of Main Circuit Rated Value":"6 kV","at AC-3 rated value maximum":"690 V","at AC in hot operating state":"0.9 W","at AC-3e rated value maximum":"690 V","at AC-4 at 400 V rated value":"8.5 A","safety-related switching OFF":"Yes","Substance Prohibitance (Date)":"10/01/2009","Design Of The Surge Suppressor":"diode","Of Auxiliary Circuit Rated Value":"6 kV","at AC-5a up to 690 V rated value":"19.4 A","at AC-5b up to 400 V rated value":"7.4 A","For Auxiliary And Control Circuit":"spring-loaded terminals","Function Module For Communication":"No","With Type Of Assignment 2 Required":"gG: 20A (690V,100kA), aM: 16A (690V, 100kA), BS88: 20A (415V, 80kA)","Without Load Current Share Typical":"1.6 W","closing power of magnet coil at DC":"1.6 W","holding power of magnet coil at DC":"1.6 W","At Contactor For Auxiliary Contacts":"Spring-type terminals","With Type Of Coordination 1 Required":"gG: 35A (690V,100kA), aM: 20A (690V,100kA), BS88: 35A (415V,80kA)","operational current at AC-12 maximum":"10 A","at AC in hot operating state per pole":"0.3 W","for AWG cables for auxiliary contacts":"2x (20 ... 12)","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 ... 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)","mirror contact according to IEC 60947-4-1":"Yes","with low demand rate according to SN 31920":"40 %","Finely Stranded Without Core End Processing":"2x (0.5 ... 2.5 mm²)","with high demand rate according to SN 31920":"73 %","Type Of Voltage Of The Control Supply Voltage":"DC","Limited To 1 S Switching At Zero Current Maximum":"155 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 5 S Switching At Zero Current Maximum":"111 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 10 S Switching At Zero Current Maximum":"86 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 30 S Switching At Zero Current Maximum":"66 A; Use minimum cross-section acc. to AC-1 rated value","Limited To 60 S Switching At Zero Current Maximum":"55 A; Use minimum cross-section acc. to AC-1 rated value","contact rating of auxiliary contacts according to UL":"A600 / Q600","Of Main Circuit With Degree Of Pollution 3 Rated Value":"690 V","Installation Altitude At Height Above Sea Level Maximum":"2 000 m","Of Auxiliary Circuit With Degree Of Pollution 3 Rated Value":"690 V","For Short-Circuit Protection Of The Auxiliary Switch Required":"gG: 10 A (500 V, 1 kA)","minimum cross-section in main circuit at maximum AC-1 rated value":"4 mm²","number of NC contacts for auxiliary contacts instantaneous contact":"1"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$22.86","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/0f990ef617334e7887561947ddee2155.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=135893&mlfb=3RT2016-2VB42","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RT2016-2VB42/alternatives.json"},"ai":{"faq":[{"question":"What is 3RT2016-2VB42's listed depth?","answer":"The depth is 73 mm, with a width of 45 mm and height of 70 mm. Clearance requirements are 10 mm upwards, 10 mm forwards, 10 mm downwards, and 6 mm at the sides."},{"question":"What wire sizes does the spring-type terminal accept?","answer":"Solid or stranded wire from 0.5 to 4 mm², and 2x (0.5–4 mm²) per clamp. This covers most control-circuit gauges without needing ferrules."},{"question":"Will 3RT2016-2VB42 drop into a panel specified around 3RT2015-2SB41 without rewiring?","answer":"Both are Size S00 SIRIUS contactors with the same 45 mm width and DIN-rail mounting, so the mechanical footprint is identical. The key difference is the coil voltage: 3RT2016-2VB42 uses a 24 VDC coil, while 3RT2015-2SB41 uses a different coil voltage. Verify the coil voltage matches your control circuit before swapping — if it does, the terminal layout and rail position are compatible."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT2016-2VB42","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/3RT2016-2VB42 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}}