{"product_id":"siemens-auxiliary-switch-front-mount-2no-2nc","title":"Siemens Auxiliary switch, front mount, 2NO + 2NC","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3RH2911-2GA22 is a snap-on auxiliary-switch block from the SIRIUS 3RH29 series, designed to attach to compatible contactor relays (size S00) and provide additional auxiliary contacts for control or signalling circuits. It enhances the switching functionality of contactors, allowing the integration of extra control paths without altering the main power circuit.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAuxiliary switch block (front-mount, snap-on) for SIRIUS contactor relays size S00\u003c\/li\u003e\n\u003cli\u003eContact configuration: 2 NO + 2 NC instantaneous auxiliary contacts\u003c\/li\u003e\n\u003cli\u003eSpring-loaded terminals for secure and easy wiring\u003c\/li\u003e\n\u003cli\u003eCompact design — minimal footprint when mounted on contactor relay\u003c\/li\u003e\n\u003cli\u003eInsulation voltage rating 690 V (pollution degree 3) and surge-voltage resistance 6 kV\u003c\/li\u003e\n\u003cli\u003eProtection class (front) IP20 — suitable for standard control-gear environments\u003c\/li\u003e\n\u003cli\u003eMechanical service life: approx. 10,000,000 switching operations\u003c\/li\u003e\n\u003cli\u003eElectrical endurance (AC-15 at 230 V): approx. 200,000 switching operations\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\u003eArticle Number:\u003c\/strong\u003e 3RH2911-2GA22\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family:\u003c\/strong\u003e SIRIUS 3RH29 auxiliary-switch blocks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContact Configuration:\u003c\/strong\u003e 2 × Normally Open (NO) + 2 × Normally Closed (NC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminals:\u003c\/strong\u003e Spring-loaded clamp terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Insulation Voltage (Ui):\u003c\/strong\u003e 690 V AC (pollution degree 3)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpulse Withstand Voltage (Uimp):\u003c\/strong\u003e 6 kV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Contact Currents (Auxiliary Contacts):\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eAC-12 (resistive): 24 V, 10 A; 230 V, 10 A\u003c\/li\u003e\n\u003cli\u003eAC-14 (inductive): 125 V, 6 A; 250 V, 6 A\u003c\/li\u003e\n\u003cli\u003eAC-15 (control switching): 24 V, 6 A; 230 V, 6 A; 400 V, 3 A\u003c\/li\u003e\n\u003cli\u003eDC-12: 24 V, 10 A; 110 V, 3 A; 220 V, 1 A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Service Life:\u003c\/strong\u003e approx. 10,000,000 operations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Endurance (AC-15 \/ 230 V):\u003c\/strong\u003e approx. 200,000 operations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Class (front):\u003c\/strong\u003e IP20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Snap-on front mount to compatible contactor relay (size S00)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for use with SIRIUS 3RH2-series contactor relays S00 \/ specified models as per Siemens guidelines\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 under Siemens SIRIUS product-standard requirements for contactor accessories\u003c\/li\u003e\n\u003cli\u003eDesigned for safe auxiliary switching in industrial control and automation systems\u003c\/li\u003e\n\u003cli\u003eSuitable for integration in control cabinets under standard low-voltage control-gear specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 3RH2911-2GA22 auxiliary-switch block is used to add auxiliary contacts to contactor relays — to implement control-circuit switching, signalling, status feedback, interlocks or auxiliary functions without modifying the main power path. Typical uses include motor-control panels, automation systems, HVAC control, machine panels and other industrial or commercial installations where additional low-power contacts are required for control logic, alarms, or interface circuits.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775062945856,"sku":"3RH2911-2GA22","price":169.97,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/3RH2911-2GA22.jpg?v=1764318260","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-auxiliary-switch-front-mount-2no-2nc","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}