{"product_id":"siemens-auxiliary-spring-terminal-4nc","title":"Siemens Auxiliary, spring terminal, 4NC","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens SIRIUS auxiliary switch block 3RH2911-2GA04 is a front-mount accessory designed for size S00 contactor relays (e.g., SIRIUS 3RH2140 and 3RH2440 series). It provides four normally-closed (4 NC) auxiliary contacts via spring-loaded terminals, enabling reliable switching and feedback functions in industrial control systems.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eContact Configuration:\u003c\/strong\u003e 4 NC auxiliary contacts (instantaneous) for auxiliary circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Snap-on front-mount on size S00 contactor relays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Type:\u003c\/strong\u003e Spring-loaded terminals for secure and rapid wiring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Rating:\u003c\/strong\u003e Up to 10 A at 24 V AC\/DC (AC-12 rating) and up to 6 A at 230 V AC (AC-15 duty) in auxiliary circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation Rating:\u003c\/strong\u003e 690 V AC (pollution degree 3) and 6 kV surge voltage resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Durability:\u003c\/strong\u003e Typical 10 000 000 mechanical operations \/ 200 000 electrical cycles at AC-15, 230 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Temperature Range:\u003c\/strong\u003e Operation –25 °C to +60 °C, Storage –55 °C to +80 °C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Series:\u003c\/strong\u003e SIRIUS auxiliary switch blocks, 3RH29 series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary Contacts:\u003c\/strong\u003e 4 × NC (instantaneous) contacts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operational Insulation Voltage (Ui):\u003c\/strong\u003e 690 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurge Voltage Resistance:\u003c\/strong\u003e 6 kV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Life:\u003c\/strong\u003e 10 000 000 operations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Endurance:\u003c\/strong\u003e 200 000 switching cycles (AC-15, 230 V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W × H × D):\u003c\/strong\u003e 36 mm × 41.5 mm × 47.7 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 0.064 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Class:\u003c\/strong\u003e IP20 (front side)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Method:\u003c\/strong\u003e Snap-on onto compatible S00 contactor relays\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompliance \u0026amp; Certifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIEC Standards:\u003c\/strong\u003e Positively driven operation according to IEC 60947-5-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Rating:\u003c\/strong\u003e Designed for use on 3RH2 contactor relays as per EN 50011 coding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e Meets Siemens substance-restriction standard since 01.10.2009\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWEEE:\u003c\/strong\u003e Take-back obligation applies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIdeal for controlling and monitoring auxiliary circuits in motor starters, automation systems, machine control cabinets, and industrial switchgear. Typically used for feedback of contactor status (open\/closed), interlocking functions and indication signaling in manufacturing, material handling, and building automation environments.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775103316032,"sku":"3RH2911-2GA04","price":169.97,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/3RH2911-2GA04.jpg?v=1761127925","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-auxiliary-spring-terminal-4nc","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}