{"product_id":"siemens-3rh1921-1da11-auxiliary-contact-block-1-no-1-nc-24v-dc","title":"Siemens 3RH1921-1DA11","description":"\u003cp\u003eThe \u003cstrong\u003eSiemens 3RH1921-1DA11\u003c\/strong\u003e is an \u003cstrong\u003eauxiliary contact block\u003c\/strong\u003e designed to expand the functionality of industrial contactors and relays. It features \u003cstrong\u003e1 normally open (NO) and 1 normally closed (NC) contact\u003c\/strong\u003e, providing \u003cstrong\u003ereliable signal switching\u003c\/strong\u003e in control circuits. With a \u003cstrong\u003e24V DC operating voltage\u003c\/strong\u003e, this module is ideal for use in automation systems, motor controls, and industrial machinery applications.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"color:#0066CC; font-size:1em;\"\u003e◆ \u003c\/span\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 Normally Open (NO) + 1 Normally Closed (NC) Contact\u003c\/strong\u003e – Ensures versatile control and signaling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24V DC Operating Voltage\u003c\/strong\u003e – Compatible with standard industrial control systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClip-On Design\u003c\/strong\u003e – Easy installation on Siemens 3RH and 3RT contactors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Electrical Performance\u003c\/strong\u003e – Ensures long-term operational stability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact and Space-Saving\u003c\/strong\u003e – Optimized for control panels and automation enclosures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIEC and UL Compliant\u003c\/strong\u003e – Meets international standards for industrial safety and performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"color:#0066CC; font-size:1em;\"\u003e◆ \u003c\/span\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Voltage:\u003c\/strong\u003e 24V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContacts:\u003c\/strong\u003e 1 NO + 1 NC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Clip-on for Siemens 3RH\/3RT contactors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Lifespan:\u003c\/strong\u003e High durability for long-term switching operations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Type:\u003c\/strong\u003e Screw connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -25°C to +60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Rating:\u003c\/strong\u003e IP20\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"color:#0066CC; font-size:1em;\"\u003e◆ \u003c\/span\u003eApplications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExpansion of Siemens 3RH and 3RT contactors\u003c\/li\u003e\n\u003cli\u003eIndustrial automation and machine control\u003c\/li\u003e\n\u003cli\u003eSignal transmission and electrical isolation\u003c\/li\u003e\n\u003cli\u003eConveyor systems and motor control circuits\u003c\/li\u003e\n\u003cli\u003eHVAC and building automation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"color:#0066CC; font-size:1em;\"\u003e◆ \u003c\/span\u003eWhy Choose the Siemens 3RH1921-1DA11?:\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSiemens 3RH1921-1DA11 auxiliary contact block\u003c\/strong\u003e enhances control system flexibility by adding additional switching capabilities to existing relays and contactors. With its \u003cstrong\u003eeasy clip-on installation, compact design, and high electrical durability\u003c\/strong\u003e, it is a \u003cstrong\u003ereliable solution for industrial automation needs\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder Now\u003c\/strong\u003e and optimize your control system with Siemens' trusted auxiliary contact solutions.\u003c\/p\u003e","brand":"Flateck Automation","offers":[{"title":"Default Title","offer_id":48885253210339,"sku":"3RH1921-1DA11","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/4214\/3203\/files\/3RH1921-1DA11.webp?v=1777401773","url":"https:\/\/flateck.myshopify.com\/pt\/products\/siemens-3rh1921-1da11-auxiliary-contact-block-1-no-1-nc-24v-dc","provider":"Flateck Automation","version":"1.0","type":"link"}