{"product_id":"siemens-3ru2146-4kb1","title":"3RU2146-4KB1","description":"\u003ch2\u003eOverview of Siemens 3RU2146-4KB1\u003c\/h2\u003e\n\u003cp\u003eBuy genuine Siemens 3RU2146-4KB1 online directly from LeadTime.ca for reliable protection in your automation system. The Siemens 3RU2146-4KB1 is a thermal overload relay designed for robust motor protection, safeguarding against overload conditions in demanding industrial environments. Engineered for durability and precision, this relay is ideal for use with motors requiring a current setting between 57 A and 75 A, making it a dependable solution for a wide range of automation applications. With its Class 10 trip characteristics, the 3RU2146-4KB1 responds quickly to overloads, reducing downtime and protecting valuable equipment. Its compact, stand-alone design is easy to integrate into existing control panels, and it meets rigorous global standards for shock resistance, protection class (IP20 on front), and touch safety. Whether you need to replace an aging unit or upgrade your system, the Siemens 3RU2146-4KB1 delivers industrial-grade performance and peace of mind—available with worldwide delivery from LeadTime.ca.\u003c\/p\u003e\n\u003ch2\u003eKey Features of Siemens 3RU2146-4KB1\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eThermal overload relay with adjustable trip current range: 57 A to 75 A\u003c\/li\u003e\n  \u003cli\u003eClass 10 tripping for fast motor protection\u003c\/li\u003e\n  \u003cli\u003eSize S3, suitable for integration in compact industrial panels\u003c\/li\u003e\n  \u003cli\u003eFront protection class IP20 for operator safety\u003c\/li\u003e\n  \u003cli\u003eOne normally open auxiliary contact for monitoring relay status\u003c\/li\u003e\n  \u003cli\u003eAutomatic or manual trip reset options available\u003c\/li\u003e\n  \u003cli\u003eShock resistance compliant with IEC 60068-2-27 (8g\/11ms)\u003c\/li\u003e\n  \u003cli\u003eDesigned for easy installation and maintenance\u003c\/li\u003e\n  \u003cli\u003eSuitable for global voltage applications up to 1000 V\u003c\/li\u003e\n  \u003cli\u003eFinger-safe, touch-protected terminals for enhanced electrical safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specs of Siemens 3RU2146-4KB1\u003c\/h2\u003e\n\u003cp\u003eExplore Siemens 3RU2146-4KB1 technical data covering voltage, I\/O, and communication to ensure system compatibility before installation.\u003c\/p\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eRated Operational Voltage (Ue)\u003c\/td\u003e\n\u003ctd\u003eUp to 1000 V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCurrent Setting Range\u003c\/td\u003e\n\u003ctd\u003e57 A – 75 A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTrip Class\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd\u003e120 mm x 70 mm x 140 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAuxiliary Contacts\u003c\/td\u003e\n\u003ctd\u003e1 NO\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProtection Class\u003c\/td\u003e\n\u003ctd\u003eIP20 (front), IP00 (terminals)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMechanical Shock Resistance\u003c\/td\u003e\n\u003ctd\u003e8g \/ 11ms (IEC 60068-2-27)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTightening Torque (Main Contacts)\u003c\/td\u003e\n\u003ctd\u003e4.5...6 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eScrewdriver Size\u003c\/td\u003e\n\u003ctd\u003e4 mm hexagon socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eThis Siemens 3RU2146-4KB1 is commonly used in industrial automation, process control, machine automation, and production line systems worldwide. It is especially suitable for motor protection in harsh factory environments, packaging and conveyor operations, and in factory control panels where reliable overload protection is critical. The relay's robust construction and compliance with international standards make it a preferred choice for OEMs and system integrators seeking dependable performance and quick recovery after overload trips. Whether for retrofitting legacy systems or supporting new automation projects, the 3RU2146-4KB1 integrates seamlessly to enhance system uptime and safety.\u003c\/p\u003e\n\u003ch2\u003ePrice \u0026amp; Availability\u003c\/h2\u003e\n\u003cp\u003eCheck Siemens 3RU2146-4KB1 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 products on LeadTime.ca are genuine, sourced from verified suppliers, and available for worldwide shipping. Order now for worldwide delivery and experience fast, secure service with competitive pricing on industrial automation components.\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-profibus-configuration\"\u003eHow to Configure Siemens PROFIBUS Networks\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\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":47796282458411,"sku":null,"price":147.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_6480802e-67d7-4247-97f4-52ccc0157c7b.png?v=1723552703","url":"https:\/\/leadtime.ca\/products\/siemens-3ru2146-4kb1","provider":"LEADTIME","version":"1.0","type":"link"}