{"product_id":"siemens-3rh1921-1fa22","title":"3RH1921-1FA22","description":"\u003ch2\u003eOverview of Siemens 3RH1921-1FA22\u003c\/h2\u003e\n\u003cp\u003eBuy genuine Siemens 3RH1921-1FA22 online today, a reliable snap-on auxiliary contact block ideal for industrial automation needs. Designed for use with Sirius 3-pole IEC contactors (sizes S0–S3), this contact block features 2 normally open (NO) and 2 normally closed (NC) contacts. Its front-mount design allows for quick installation and secure attachment. Conforming to IEC 60947-5-1 standards, the 3RH1921-1FA22 delivers robust performance and mechanical endurance suitable for demanding electrical control applications.\u003c\/p\u003e\n\u003ch2\u003eKey Features of Siemens 3RH1921-1FA22\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e4-pole auxiliary contact block with 2 NO + 2 NC contacts for versatile control signaling\u003c\/li\u003e\n  \u003cli\u003eSnap-on front mount design enables easy installation on Siemens Sirius contactors\u003c\/li\u003e\n  \u003cli\u003eScrew terminal connections for secure and reliable wiring\u003c\/li\u003e\n  \u003cli\u003eCompatible with various Sirius contactors: 3RT102 to 3RT107 series\u003c\/li\u003e\n  \u003cli\u003eCompliant with IEC 60947-5-1 standards ensuring industrial-grade quality\u003c\/li\u003e\n  \u003cli\u003eDurability rated for up to 10 million mechanical switching cycles\u003c\/li\u003e\n  \u003cli\u003eCompact dimensions (approx. 4 x 4 x 5 cm) and lightweight (around 0.065 kg)\u003c\/li\u003e\n  \u003cli\u003eReliable operation with NC contacts opening before NO contacts close during switching\u003c\/li\u003e\n  \u003cli\u003eDisassembly facilitated by a centrally positioned release lever\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specs of Siemens 3RH1921-1FA22\u003c\/h2\u003e\n\u003cp\u003eExplore Siemens 3RH1921-1FA22 specifications for detailed parameters to ensure system compatibility.\u003c\/p\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n    \u003cth\u003eSpecification\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\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eMounting Type\u003c\/td\u003e\n    \u003ctd\u003eSnap-on, front mount\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eTerminal Type\u003c\/td\u003e\n    \u003ctd\u003eScrew terminals\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eCompatibility\u003c\/td\u003e\n    \u003ctd\u003eSIRIUS 3RT contactors, sizes S0–S3\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eMechanical Service Life\u003c\/td\u003e\n    \u003ctd\u003e10,000,000 switching cycles\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eOperating Current (AC-15)\u003c\/td\u003e\n    \u003ctd\u003e6 A at 24V\/230V, 3 A at 400V, 1 A at 690V\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eDimensions (WxHxD)\u003c\/td\u003e\n    \u003ctd\u003e4 x 4 x 5 cm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eWeight\u003c\/td\u003e\n    \u003ctd\u003e0.065 kg\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eThis Siemens 3RH1921-1FA22 is commonly used in industrial automation environments to provide additional switching points on Sirius contactors. Ideal for enhancing signal and control circuits, it fits seamlessly in factory control panels, manufacturing production lines, packaging and conveyor operations, and motion control systems. Its robust build ensures dependable auxiliary switching to support complex automation setups worldwide, helping optimize machine safety and efficiency.\u003c\/p\u003e\n\u003ch2\u003ePrice \u0026amp; Availability\u003c\/h2\u003e\n\u003cp\u003eCheck Siemens 3RH1921-1FA22 pricing online through LeadTime.ca for fast worldwide dispatch.\u003c\/p\u003e\n\u003ch2\u003eWhy Order from LeadTime.ca\u003c\/h2\u003e\n\u003cp\u003eEvery product on LeadTime.ca is genuine, supplied by trusted distributors, and ready for international delivery. Order now for worldwide delivery and benefit from our dedicated customer support and reliable shipping services.\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\"\u003eHow to Troubleshoot 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 Best Practices\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":47912577433899,"sku":null,"price":403.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/3RH1921-1FA22.png?v=1707388347","url":"https:\/\/leadtime.ca\/products\/siemens-3rh1921-1fa22","provider":"LEADTIME","version":"1.0","type":"link"}