{"product_id":"siemens-3ru1146-4jbo","title":"3RU1146-4JBO","description":"\u003ch2\u003eBuy genuine Siemens 3RU1146-4JB0 online\u003c\/h2\u003e\n\u003cp\u003eThe Siemens 3RU1146-4JB0 is a factory-grade thermal overload relay designed to provide reliable motor protection in industrial automation and control systems. Part of the Siemens SIRIUS family, this overload relay offers precise protection against motor overloads, phase failures, and phase asymmetry. It features a size S3 frame, Class 10 trip characteristic, and an adjustable current range from 45 to 63 amps, making it suitable for a variety of medium-power motor applications. The device supports screw terminal connections and is engineered for contactor mounting, ensuring easy integration into existing panels and machinery. Built with industry standards certifications, including CE, UL, and ATEX, the 3RU1146-4JB0 combines durability and consistent performance in demanding environments, with an operating temperature range of -20 to +70°C and finger-safe protection for added operator safety. This relay is essential for anyone looking to enhance motor control system longevity and reduce downtime effectively.\u003c\/p\u003e\n\u003ch2\u003eKey Features of Siemens 3RU1146-4JB0\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable pick-up current range from 45 to 63 A for flexible motor protection\u003c\/li\u003e\n\u003cli\u003eClass 10 trip characteristic for inverse time delay overload protection\u003c\/li\u003e\n\u003cli\u003e1 normally closed (NC) and 1 normally open (NO) auxiliary contact for external signaling\u003c\/li\u003e\n\u003cli\u003eManual, automatic, and remote reset options for versatile operation\u003c\/li\u003e\n\u003cli\u003eScrew terminal connections for simple installation and secure wiring\u003c\/li\u003e\n\u003cli\u003eContactor mounting compatibility with Siemens contactors (3RT1044, 3RT1045, 3RT1046)\u003c\/li\u003e\n\u003cli\u003eProtection class IP20 on the front for finger-safe operation\u003c\/li\u003e\n\u003cli\u003eWide operating temperature range from -20 to +70 °C\u003c\/li\u003e\n\u003cli\u003eCertified to major international standards including CE, UL, ATEX, IECEx\u003c\/li\u003e\n\u003cli\u003eRobust construction with a compact size (120 mm H x 70 mm W x 140 mm D)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specs of 3RU1146-4JB0\u003c\/h2\u003e\n\u003cp\u003eExplore Siemens 3RU1146-4JB0 technical data for detailed parameters to ensure system compatibility.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Size\u003c\/td\u003e\n\u003ctd\u003eS3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrip Class\u003c\/td\u003e\n\u003ctd\u003eClass 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjustable Current\u003c\/td\u003e\n\u003ctd\u003e45 to 63 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary Contacts\u003c\/td\u003e\n\u003ctd\u003e1 NO + 1 NC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003eUp to 1000 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003eScrew Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection IP Rating\u003c\/td\u003e\n\u003ctd\u003eIP20 (front)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 to +70 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (HxWxD)\u003c\/td\u003e\n\u003ctd\u003e120 x 70 x 140 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eThis Siemens 3RU1146-4JB0 is commonly used in industrial automation systems worldwide. It is ideal for protecting three-phase motors in production line systems, machine automation, factory control panels, and process control environments. Its reliable overload and phase failure protection help improve the longevity of motors and reduce unexpected downtime, making it suitable for applications requiring precise motor safeguarding. The device’s versatile reset options and easy installation further support maintenance-friendly environments and enhance operational uptime in manufacturing, conveyor belt setups, and other automated industrial machinery.\u003c\/p\u003e\n\u003ch2\u003ePrice \u0026amp; Availability\u003c\/h2\u003e\n\u003cp\u003eCheck Siemens 3RU1146-4JB0 price 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, authentic original OEM, supported with manufacturer warranty, and available for worldwide shipping. Order now for worldwide delivery.\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\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 IO 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 Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":47912588902699,"sku":null,"price":539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/3RU1146-4JBO.png?v=1707387415","url":"https:\/\/leadtime.ca\/products\/siemens-3ru1146-4jbo","provider":"LEADTIME","version":"1.0","type":"link"}