{"product_id":"siemens-auxiliary-contact-2nc-2no-snap-on-spring-loaded-terminals","title":"Siemens Auxiliary contact, 2NC + 2NO, snap-on, spring-loaded terminals","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3RH2911-2HA22 is a SIRIUS auxiliary switch block designed for snap-on mounting to contactors and relays. It provides a 4-pole switching block with 2 normally open (NO) and 2 normally closed (NC) contacts, intended for use in industrial control assemblies to monitor and signal the status of main devices.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAuxiliary switch block compatible with SIRIUS contactors and relays\u003c\/li\u003e\n\u003cli\u003e4-pole configuration: 2 NO + 2 NC contacts\u003c\/li\u003e\n\u003cli\u003eSnap-on mounting for quick installation\u003c\/li\u003e\n\u003cli\u003eSpring-loaded terminals for reliable connection\u003c\/li\u003e\n\u003cli\u003eCompact design for efficient panel integration\u003c\/li\u003e\n\u003cli\u003eSuitable for monitoring, signalling and auxiliary switching tasks in automation systems\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 block\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticle Number:\u003c\/strong\u003e 3RH2911-2HA22\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles \/ Contacts:\u003c\/strong\u003e 4 poles (2 NO + 2 NC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Snap-on mounting to compatible SIRIUS devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Type:\u003c\/strong\u003e Spring-loaded terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation Voltage:\u003c\/strong\u003e 690 V AC (pollution degree 3)\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 Service Life:\u003c\/strong\u003e Typically 10,000,000 operations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Operating Temperature:\u003c\/strong\u003e –25 °C to +60 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e ~0.065 kg\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\u003eManufactured in accordance with Siemens SIRIUS accessory standards\u003c\/li\u003e\n\u003cli\u003eDesigned for use in industrial automation control panels and switchgear\u003c\/li\u003e\n\u003cli\u003eSuitable for reliable auxiliary switching and signal-monitoring functions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIdeal for mounting alongside SIRIUS contactors and relays in control panels, distribution boards and automation systems where it is necessary to signal or monitor switching operations. Commonly used to provide auxiliary outputs for diagnostics, status signalling or interlock functions in manufacturing plants, infrastructure installations and process control systems.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775089782848,"sku":"3RH2911-2HA22","price":232.78,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/G_NSA0_XX_00570I.jpg?v=1761056043","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-auxiliary-contact-2nc-2no-snap-on-spring-loaded-terminals","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}