{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RT2016-1HB42","brand":"Siemens","brandSlug":"siemens","productSlug":"3RT2016-1HB42","canonicalUrl":"https://aoctrl.com/siemens/3RT2016-1HB42","factsUrl":"https://aoctrl.com/api/mcp/products/3RT2016-1HB42","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RT2016-1HB42 coupling contactor, size S00, 24 V DC coil, screw-type terminals, 45 mm width, 58 mm height, 73 mm depth, DIN rail mount.","salesMarkdown":"## S00 Frame, 45 mm Wide — Panel Fit The 3RT2016-1HB42 is a SIRIUS coupling contactor in the S00 frame size — the smallest footprint in the SIRIUS contactor family, at 45 mm wide, 58 mm tall, and 73 mm deep. It mounts via screw or snap-on onto 35 mm DIN rail per DIN EN 60715, so it integrates directly into a standard control panel without adapter plates. Mounting position is flexible: ±180° rotation on a vertical surface, plus ±22.5° tilt forward or backward. Clearance requirements are 10 mm upward, 10 mm forward, 10 mm downward, and 6 mm to the side — tight enough for dense panel layouts. ## DC Switching — Where the Ratings Matter This is a coupling contactor, meaning it's designed for DC load switching in control circuits rather than AC motor starting. The DC-1 rated currents drop with voltage: 10 A at 24 V, 2 A at 48 V and 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. The arcing time runs 10–15 ms, with a DC switching time of 7–20 ms — the longer arc at higher DC voltages is the limiting factor, not the contact material. No auxiliary switch is fitted, so any feedback to the PLC or status indication requires a separate auxiliary contact block added to the side of the contactor. ## Coil and Termination — 24 V DC, Screw Terminals The magnet coil is rated 24 V DC with a pull-in value of 0.7× rated and a hold value of 1.25× rated — meaning the coil pulls in reliably at 16.8 V and holds at 30 V. Coil terminals are screw-type, accepting solid or stranded wire from 0.5 to 4 mm², or two conductors per terminal (2× 0.5–1.5 mm², 2× 0.75–2.5 mm², or 2× 4 mm²). Operating temperature range is -25 to +60 °C; storage range is -55 to +80 °C. The contactor is rated for 30 million mechanical operations typical, with switching frequency limits of 1,000 cycles/hour at AC-1, 750 at AC-2 and AC-3, and 250 at AC-4.","metaTitle":"Siemens 3RT2016-1HB42 SIRIUS Contactor, 24 V DC Coil, S00","metaDescription":"Siemens 3RT2016-1HB42 SIRIUS coupling contactor, size S00, 24 V DC coil, screw terminals, 45 mm wide. Active production, sourced to order.","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":"7 ... 20 ms","title":"3RT2016-1HB42","Height":"58 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","description":"power contactor, AC-3e/AC-3, 9 A, 4 kW / 400 V, 3-pole, 24 V DC, 0.7-1.25* Us, auxiliary contacts: 1 NC, screw terminal, size: S00, suitable for PLC outputs, not expandable with auxiliary switch","Initial Value":"0.7","During Storage":"-55 ... +80 °C","Of Magnet Coil":"Screw-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":"1.25","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 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 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":"screw-type 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","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":"screw-type 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":"2.8 W","closing power of magnet coil at DC":"2.8 W","holding power of magnet coil at DC":"2.8 W","At Contactor For Auxiliary Contacts":"Screw-type terminals","With Type Of Coordination 1 Required":"gG: 35A (690V,100kA), aM: 20A (690V,100kA), BS88: 35A (415V,80kA)","at AWG cables for auxiliary contacts":"2x (20 ... 16), 2x (18 ... 14), 2x 12","operational current at AC-12 maximum":"10 A","at AC in hot operating state per pole":"0.3 W","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)","mirror contact according to IEC 60947-4-1":"Yes","with low demand rate according to SN 31920":"40 %","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":"$20.32","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/43f49449607007a7ed05468d9cadb007.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=286389&mlfb=3RT2016-1HB42"},"ai":{"faq":[{"question":"What is the difference between the 3RT2016-1HB42 and the 3RT2036-1AC20-ZX95?","answer":"The 3RT2036-1AC20-ZX95 is a larger frame size (S2 vs S00) with higher current ratings and an AC coil, while the 3RT2016-1HB42 is a compact S00 coupling contactor with a 24 V DC coil. They are not drop-in replacements — the S2 frame is wider and requires different panel cutouts and busbar spacing."},{"question":"What compliance documentation is available for 3RT2016-1HB42?","answer":"As a Siemens SIRIUS product, this contactor carries CE marking for the European market and is manufactured under IEC/EN 60947-4-1. RoHS and REACH declarations are available from Siemens upon request. UL/CSA listings are standard for the SIRIUS range, though specific file numbers should be confirmed against the lot code."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RT2016-1HB42","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/3RT2016-1HB42 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}