{"product_id":"siemens-3rt2037-3kb44-3ma0","title":"3RT2037-3KB44-3MA0","description":"\u003ch2\u003eBuy genuine Siemens 3RT2037-3KB44-3MA0 online\u003c\/h2\u003e\n\u003cp\u003eThe Siemens 3RT2037-3KB44-3MA0 is a robust, factory-grade power contactor designed for optimal performance in industrial automation. This 3-pole contactor supports a high current rating of 65 A, making it ideal for switching and controlling electric motors and other heavy loads up to 30 kW at 400 V. Featuring a 24 V DC coil voltage with integrated varistor protection and auxiliary contacts, it ensures reliable operation and enhanced system safety. Its DIN rail mounting style and compact size streamline installation in control panels. Trusted worldwide, this Siemens contactor delivers durability and precision for demanding control applications.\u003c\/p\u003e\n\u003ch2\u003eKey Features of Siemens 3RT2037-3KB44-3MA0\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRated current of 65 A suitable for heavy-duty motor control\u003c\/li\u003e\n\u003cli\u003eSupports up to 30 kW power at 400 V (AC-3e\/AC-3 utilization category)\u003c\/li\u003e\n\u003cli\u003e3-pole switching for three-phase power applications\u003c\/li\u003e\n\u003cli\u003e24 V DC coil voltage with 0.8-1.2*Uc operating range for stable excitation\u003c\/li\u003e\n\u003cli\u003eIntegrated varistor for surge protection and coil longevity\u003c\/li\u003e\n\u003cli\u003eAuxiliary contacts: 2 Normally Open (NO) + 2 Normally Closed (NC) for versatile control signaling\u003c\/li\u003e\n\u003cli\u003eSpring-type terminals (size S2) for secure and easy wiring\u003c\/li\u003e\n\u003cli\u003eDIN rail mountable for efficient panel integration\u003c\/li\u003e\n\u003cli\u003eDurable electromechanical design ensuring long service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specs of 3RT2037-3KB44-3MA0\u003c\/h2\u003e\n\u003cp\u003eExplore Siemens 3RT2037-3KB44-3MA0 specifications to ensure system compatibility before installation.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Operational Current (Ie)\u003c\/td\u003e\n\u003ctd\u003e65 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower (400 V, AC-3)\u003c\/td\u003e\n\u003ctd\u003e30 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Poles\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Voltage\u003c\/td\u003e\n\u003ctd\u003e24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary Contacts\u003c\/td\u003e\n\u003ctd\u003e2 NO + 2 NC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Style\u003c\/td\u003e\n\u003ctd\u003eDIN Rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-25 °C minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eThis Siemens 3RT2037-3KB44-3MA0 is commonly used in industrial automation worldwide. It serves critical functions in motor control centers, factory control panels, and conveyor system operations. Its high load switching capacity and auxiliary contact options make it suitable for process control and machine automation where reliability and safety are paramount. The integrated varistor protects equipment from voltage spikes, enhancing system durability in production line systems and heavy machinery environments.\u003c\/p\u003e\n\u003ch2\u003ePrice \u0026amp; Availability\u003c\/h2\u003e\n\u003cp\u003eCheck Siemens 3RT2037-3KB44-3MA0 price and availability online through LeadTime.ca for fast worldwide dispatch.\u003c\/p\u003e\n\u003ch2\u003eWhy Order from LeadTime.ca\u003c\/h2\u003e\n\u003cp\u003eAll product on LeadTime.ca is genuine, supplied by trusted distributors, and ready for international delivery. Order now for worldwide delivery and benefit from fast, secure checkout and expert customer support.\u003c\/p\u003e\n\u003ch2\u003eRelated Resources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/\"\u003eLeadTime.ca – Industrial Automation Components \u0026amp; Repair Services\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/collections\/siemens\"\u003eBrowse Siemens PLCs, Drives \u0026amp; Automation Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/siemens-plc-programming-basics\"\u003eSiemens PLC Programming Basics Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/siemens-tia-portal-io-errors\"\u003eTroubleshooting Siemens TIA Portal I\/O Errors\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/siemens-drive-parameter-setup\"\u003eSiemens Drive Parameter Setup Reference\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":47912589066539,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/3RT2037-3KB44-3MA0.png?v=1707387325","url":"https:\/\/leadtime.ca\/products\/siemens-3rt2037-3kb44-3ma0","provider":"LEADTIME","version":"1.0","type":"link"}