{"product_id":"siemens-3rh2122-2bb40","title":"3RH2122-2BB40","description":"\u003ch2\u003eBuy genuine Siemens 3RH2122-2BB40 online\u003c\/h2\u003e\n\u003cp\u003eThe Siemens 3RH2122-2BB40 SIRIUS contactor relay is a reliable and industrial-grade auxiliary contactor designed for demanding automation applications. Featuring a compact size and robust construction, this contactor relay has 2 normally open (NO) and 2 normally closed (NC) contacts, supporting 24 V DC coil operation. Its spring-loaded terminals ensure secure wiring and enhanced electrical performance, making it a preferred choice in factory control panels and machine automation. Built with quality and certified to international standards such as IEC 60947, this contactor relay delivers excellent contact stability at low voltages and currents. The Siemens 3RH2122-2BB40 is engineered for high switching reliability and mechanical endurance, contributing to streamlined and safe operations in various industrial environments, ensuring long service life and compliance with safety regulations.\u003c\/p\u003e\n\u003ch2\u003eKey Features of Siemens 3RH2122-2BB40\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e2 NO + 2 NC auxiliary contact configuration (2 Form C contacts)\u003c\/li\u003e\n  \u003cli\u003e24 V DC coil voltage with spring-loaded terminals for easy installation\u003c\/li\u003e\n  \u003cli\u003eCompact frame size S00 measuring 70 mm (H) x 45 mm (W) x 73 mm (D)\u003c\/li\u003e\n  \u003cli\u003eContact rating up to 10 A at 230 VAC (AC-15)\u003c\/li\u003e\n  \u003cli\u003eHigh contact stability for reliable low-voltage switching\u003c\/li\u003e\n  \u003cli\u003eCan accommodate surge suppression elements such as varistors or RC circuits on the front\u003c\/li\u003e\n  \u003cli\u003eCertified to IEC 60947 standards with UL, CSA, CE, and RoHS compliance\u003c\/li\u003e\n  \u003cli\u003eMechanical service life of up to 30 million operating cycles\u003c\/li\u003e\n  \u003cli\u003eSuitable for safety functions with positively driven operation according to IEC 60947-5-1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specs of 3RH2122-2BB40\u003c\/h2\u003e\n\u003cp\u003eExplore Siemens 3RH2122-2BB40 specifications covering voltage, I\/O, and communication to ensure system compatibility.\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\u003eContact Configuration\u003c\/td\u003e\n    \u003ctd\u003e2 NO + 2 NC (Form C)\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\u003eContact Rating (AC-15)\u003c\/td\u003e\n    \u003ctd\u003e10 A at 230 VAC, 3 A at 400 VAC\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eFrame Size\u003c\/td\u003e\n    \u003ctd\u003eS00 (70 x 45 x 73 mm)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eInsulation Voltage\u003c\/td\u003e\n    \u003ctd\u003e690 V AC, Pollution Degree 3\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eMechanical Service Life\u003c\/td\u003e\n    \u003ctd\u003e30,000,000 cycles typical\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eMounting Type\u003c\/td\u003e\n    \u003ctd\u003eSpring-loaded terminals\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eThis Siemens 3RH2122-2BB40 is commonly used in industrial automation, production line systems, and factory control panels worldwide. Its compact design and reliable switching capability make it ideal for use as an auxiliary relay in control circuits, interlocking safety circuits, and automation sequences. The relay’s proven durability and compliance with safety standards allow it to operate efficiently in harsh environments, supporting machine safety functions and process control automation. It is widely integrated into systems requiring precise signal transmission and switching reliability in packaging lines, conveyor operations, and motion control setups.\u003c\/p\u003e\n\u003ch2\u003ePrice \u0026amp; Availability\u003c\/h2\u003e\n\u003cp\u003eCheck Siemens 3RH2122-2BB40 pricing 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, factory-tested, sourced from verified suppliers, and available for worldwide shipping. Order now for worldwide delivery to ensure you receive authentic Siemens 3RH2122-2BB40 contactor relays with manufacturer support and fast, reliable service.\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 Best Practices\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":47796224557355,"sku":null,"price":33.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/3RH2122-2BB40.png?v=1705774868","url":"https:\/\/leadtime.ca\/products\/siemens-3rh2122-2bb40","provider":"LEADTIME","version":"1.0","type":"link"}