{"product_id":"3rt2038-1nb30-siemens-3-pole-80a-power-contactor-with-varistor-and-auxiliary-contacts","title":"3RT2038-1NB30 | Siemens 3-Pole 80A Power Contactor with Varistor and Auxiliary Contacts","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"86\" data-end=\"402\"\u003eThe Siemens 3RT2038-1NB30 is a 3-pole power contactor rated for 80 A and 37 kW at 400 V AC, designed for reliable motor and load switching in industrial control applications. It features a 20–33 V AC\/DC coil, integrated varistor protection, and auxiliary contacts (1 NO + 1 NC) for control circuit versatility.\u003c\/p\u003e\n\u003ch3 data-start=\"502\" data-end=\"534\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 99.964%; height: 470.4px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003eIndustrial Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003e3RT2038-1NB30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003ePower Contactor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003e3RT20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eContactor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003e3-Pole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eMain Contacts Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003e3 NO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eAuxiliary Contacts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003e1 NO + 1 NC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eControl Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003e20–33 V AC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eRated Operating Current (AC-3)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003e80 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003ePower Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003e37 kW at 400 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eOperating Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eRated Insulation Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003e690 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eAuxiliary Contacts Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003e10 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eProtection Feature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003eIntegrated Varistor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003eDIN Rail or Panel Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eTerminal Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003eScrew Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003eS2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eUtilization Category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003eAC-3E \/ AC-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003e-25°C to +60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003eMotor control, switching, and load management\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 30.34%; height: 19.6px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5269%; height: 19.6px;\"\u003e1.12 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003e3RT2038-1NB30\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe Siemens 3RT2038-1NB30 belongs to the 3RT20 series of modular contactors, widely used in industrial automation and motor control applications. It supports heavy-duty AC-3 switching up to 80 A or 37 kW at 400 V, providing robust operation for motor starting, load switching, and power management. Designed with an integrated varistor, the contactor protects the control circuit against voltage spikes, improving system longevity. The combination of 1 NO and 1 NC auxiliary contacts enables flexible control and signaling, while screw terminals ensure secure connections. Its compact S2 frame and multi-mount design allow easy installation in both DIN rail and panel configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh Power Switching Performance: Rated for 80 A and 37 kW at 400 V AC under AC-3 utilization, allowing it to handle large motors and heavy inductive loads with consistent reliability.\u003c\/li\u003e\n\u003cli\u003eThree-Pole Main Contacts: Equipped with 3 normally open contacts providing stable current conduction and long electrical endurance even under high inrush conditions.\u003c\/li\u003e\n\u003cli\u003eIntegrated Varistor Protection: Includes a built-in surge suppression device that limits transient voltage peaks, extending the lifespan of the contactor coil and connected electronics.\u003c\/li\u003e\n\u003cli\u003eDual-Voltage Coil (20–33 V AC\/DC): Offers installation flexibility by supporting both alternating and direct current control signals without the need for different coil versions.\u003c\/li\u003e\n\u003cli\u003eAuxiliary Contacts (1 NO + 1 NC): Facilitate auxiliary control, status feedback, or interlocking functions, enhancing system control logic and safety.\u003c\/li\u003e\n\u003cli\u003eRugged Industrial Design: Constructed from high-strength, heat-resistant materials, ensuring mechanical durability and consistent performance in harsh operating environments.\u003c\/li\u003e\n\u003cli\u003eFlexible Mounting Options: Designed for quick installation on DIN rails or direct panel mounting, simplifying integration in control cabinets and switchgear assemblies.\u003c\/li\u003e\n\u003cli\u003eWide Operating Temperature Range: Functions reliably from -25°C to +60°C, making it suitable for both indoor and outdoor industrial use.\u003c\/li\u003e\n\u003cli\u003eHigh Electrical and Mechanical Endurance: Engineered to perform millions of switching operations with minimal maintenance requirements.\u003c\/li\u003e\n\u003cli\u003eSafety and Compliance: Meets IEC and EN standards for industrial contactors, ensuring global usability and compliance with automation system requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 3RT2038-1NB30 delivers the reliability and precision required for demanding industrial motor control applications, providing safe, efficient, and long-lasting switching performance across a wide range of automation systems.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":49105132126464,"sku":"3RT2038-1NB30","price":852.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/3RT203_other_voltages__48308.1607609479.jpg?v=1785540987","url":"https:\/\/alotechparts.com\/products\/3rt2038-1nb30-siemens-3-pole-80a-power-contactor-with-varistor-and-auxiliary-contacts","provider":"Alo Tech Solutions","version":"1.0","type":"link"}