{"product_id":"siemens-bloco-contacto-auxiliar-1nc-montagem-frontal-din50005-3rh1921-1ca01","title":"Siemens Bloco contacto auxiliar 1NC montagem frontal DIN50005 3RH1921-1CA01","description":"\u003cp\u003e\u003cstrong\u003eSiemens Bloco contacto auxiliar 1NC montagem frontal DIN EN 50005 3RH1921-1CA01\u003c\/strong\u003e is a high-quality front-mounted auxiliary contact block designed for reliable signaling, control, and interlocking functions in Siemens SIRIUS contactor systems. Manufactured by Siemens under the 3RH19 series, this accessory provides a single normally closed (1NC) auxiliary contact for expanding control circuits in industrial automation applications. It is widely used in motor control centers (MCC), switchgear assemblies, and automation panels where dependable switching feedback, compact modular design, and standardized DIN installation are required. Its snap-on front mounting system ensures quick installation, secure electrical connection, and long-term operational reliability in demanding industrial environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFront-mounted auxiliary contact block for Siemens SIRIUS contactors and relays\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProvides 1 NC auxiliary contact for control and signaling functions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDIN EN 50005 standardized design for safe and compatible installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact snap-on modular construction for easy mounting and replacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh reliability for industrial automation and motor control applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSiemens engineering ensures long service life and stable switching performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eProduct Name: Siemens Bloco contacto auxiliar 1NC montagem frontal DIN EN 50005 3RH1921-1CA01\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePart Number: 3RH1921-1CA01\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProduct Type: Auxiliary contact block\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSeries: Siemens SIRIUS 3RH19\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eContact Configuration: 1 NC (normally closed)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMounting Type: Front mounting (snap-on)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConnection Standard: DIN EN 50005\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApplication: Motor control centers, industrial automation, control panels, signaling and interlocking circuits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatibility: Siemens S00 size contactors and control relays\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eElectrical Use: Low-voltage auxiliary switching systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBrand: Siemens\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Siemens 3RH1921-1CA01 auxiliary contact block delivers reliable switching performance, efficient control circuit expansion, and long-term durability for industrial applications. Built with Siemens’ trusted engineering excellence, it ensures safe operation, consistent signaling, and dependable performance in modern automation systems. For genuine Siemens industrial automation components, contact Ram Automations at \u003ca href=\"mailto:info@ramautomations.com\"\u003einfo@ramautomations.com\u003c\/a\u003e for reliable supply and support.\u003c\/p\u003e","brand":"Ram Automations","offers":[{"title":"Default Title","offer_id":54048176537942,"sku":"RAMA100022939","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/5554\/5686\/files\/Siemens_Bloco_contacto_auxiliar_1NC_montagem_frontal_DIN50005_3RH1921-1CA01.webp?v=1780131860","url":"https:\/\/ramautomations.com\/products\/siemens-bloco-contacto-auxiliar-1nc-montagem-frontal-din50005-3rh1921-1ca01","provider":"Ram Automations","version":"1.0","type":"link"}