{"product_id":"siemens-3rh1911-2fa20-auxiliary-contact-block","title":"Siemens 3RH1911-2FA20 Auxiliary Contact Block","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SIEMENS 3RH1911-2FA20 is a front-mount auxiliary contact block designed to expand the switching capacity of compatible Siemens contactors and relay assemblies. This accessory snaps onto the front face of a base contactor, adding supplementary control contacts to the circuit without requiring additional panel space. Electricians and control panel builders install this block when an application demands more auxiliary contact points than the base unit provides. It is a standard component in motor control centers, machine control panels, and industrial automation wiring.\u003c\/p\u003e\n\u003cp\u003eThis auxiliary contact block is suited for commercial and industrial electrical installations where contactor-based motor starters or control relays are used. Typical applications include HVAC motor control, pump and fan starters, conveyor systems, and process automation panels. The front-mount design keeps the assembly compact and accessible for wiring in tight enclosures.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eFront-mount configuration adds auxiliary contacts without increasing footprint\u003c\/li\u003e\n  \u003cli\u003eSnap-on attachment to compatible Siemens base contactors for tool-free installation\u003c\/li\u003e\n  \u003cli\u003eCompact dimensions suit dense control panel layouts\u003c\/li\u003e\n  \u003cli\u003eLightweight construction at 0.082 pounds\u003c\/li\u003e\n  \u003cli\u003eOEM Siemens part ensuring direct form-fit-function replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style front-mount auxiliary contact block for compatible Siemens contactor and control relay assemblies. Verify base contactor model acceptance of front-mount auxiliary blocks before ordering.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed electrician in accordance with applicable NEC requirements and local codes. De-energize and lock out the panel before attaching or removing auxiliary contact blocks. Confirm the base contactor is rated to accept front-mount accessories before installing. Inspect contact terminations for proper seating and torque per the panel assembly documentation before returning the circuit to service.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.082 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 2.008 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 1.772 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 2.520 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 75455441598\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SIEMENS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 3RH1911-2FA20\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":51383809016114,"sku":"3RH1911-2FA20","price":62.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/312678922.jpg?v=1782607979","url":"https:\/\/voomisupply.com\/products\/siemens-3rh1911-2fa20-auxiliary-contact-block","provider":"Voomi Supply","version":"1.0","type":"link"}