{"product_id":"pepperl-fuchs-kfd2-sr2-ex1-w-switch-amplifier-isolated-barrier-relay-module","title":"Pepperl+Fuchs KFD2-SR2-Ex1.W Switch Amplifier | Isolated Barrier Relay Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003ePepperl+Fuchs KFD2-SR2-Ex1.W\u003c\/span\u003e\u003c\/strong\u003e is a high-performance 1-channel switch amplifier. It provides safe electrical isolation for signals in hazardous areas. This unit supports both dry contacts and NAMUR sensors. It features a robust relay contact output for reliable control. The \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eK-System\u003c\/span\u003e\u003c\/strong\u003e series ensures seamless integration into existing control loops. It maintains system integrity through advanced line fault detection.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Pepperl+Fuchs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eKFD2-SR2-Ex1.W\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 20 V to 30 V DC via Power Rail or terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Compatibility:\u003c\/strong\u003e NAMUR (EN 60947-5-6) or dry contacts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Type:\u003c\/strong\u003e Relay contact\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitching Frequency:\u003c\/strong\u003e \u0026lt; 10 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Temperature:\u003c\/strong\u003e -20 °C to 60 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Degree:\u003c\/strong\u003e IP20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Rating:\u003c\/strong\u003e Up to SIL 2 (SC 3) according to IEC\/EN 61508\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Isolation:\u003c\/strong\u003e 375 V peak value (Input\/Output)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazardous Area Protection:\u003c\/strong\u003e II (1) G D [EEx ia] IIC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation and Maintenance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the unit on a standard 35 mm DIN rail.\u003c\/li\u003e\n\u003cli\u003eUse the Power Rail system to reduce wiring time.\u003c\/li\u003e\n\u003cli\u003eEnsure the installation complies with local safety regulations.\u003c\/li\u003e\n\u003cli\u003eThe module requires minimal maintenance due to its solid-state design.\u003c\/li\u003e\n\u003cli\u003eFront-side status LEDs provide immediate diagnostic feedback.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe device conforms to electromagnetic compatibility standards (EN 50081-2\/EN 50082-2).\u003c\/li\u003e\n\u003cli\u003eIt holds ATEX certification for explosive environments (Zone 0\/1\/2).\u003c\/li\u003e\n\u003cli\u003eThe design supports integration with diverse PLC and DCS systems.\u003c\/li\u003e\n\u003cli\u003eIt complies with NAMUR NE 21 standards for industrial interference immunity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication Scenarios\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUsed for monitoring proximity switches in chemical plants.\u003c\/li\u003e\n\u003cli\u003eIdeal for level detection in hazardous zone storage tanks.\u003c\/li\u003e\n\u003cli\u003eSuitable for emergency shutdown systems requiring high reliability.\u003c\/li\u003e\n\u003cli\u003eEffective for valve position feedback in oil and gas refineries.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal PLC Spare HUB Insight\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eKFD2-SR2-Ex1.W\u003c\/span\u003e\u003c\/strong\u003e stands out for its extreme reliability in mission-critical applications. Our technical team observes that this module excels when paired with high-precision sensors in volatile environments. It bridges the gap between field devices and control logic safely. Engineers choose this unit for its proven track record in extreme industrial conditions.\u003c\/p\u003e\n\u003ch3\u003ePurchasing Guide and Logistics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e 1x \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eKFD2-SR2-Ex1.W\u003c\/span\u003e\u003c\/strong\u003e module and technical documentation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e We provide a 12-month quality guarantee on all units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping:\u003c\/strong\u003e We partner with FedEx, UPS, and DHL for global delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Time:\u003c\/strong\u003e Orders process and ship within 24-48 hours.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if a lead breakage occurs?\u003c\/strong\u003e\u003cbr\u003eThe unit detects the fault immediately and switches the output to a predefined safe state to prevent hazards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace an older K-System unit with this model?\u003c\/strong\u003e\u003cbr\u003eYes, the \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eKFD2-SR2-Ex1.W\u003c\/span\u003e\u003c\/strong\u003e is designed for backward compatibility within the K-System range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I verify the safety parameters for my specific zone?\u003c\/strong\u003e\u003cbr\u003eAlways consult the provided control drawings (116-0035\/116-0047) to ensure your field loop stays within the certified entity parameters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this device suitable for high-speed counting applications?\u003c\/strong\u003e\u003cbr\u003eNo, the switching frequency is limited to \u0026lt; 10 Hz, so it is intended for status monitoring rather than high-speed pulses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the advantage of using the Power Rail?\u003c\/strong\u003e\u003cbr\u003eIt eliminates the need for individual power supply wiring for each module, significantly reducing cabinet installation time.\u003c\/p\u003e","brand":"Pepperl+Fuchs","offers":[{"title":"Default Title","offer_id":45146312900790,"sku":"KFD2-SR2-Ex1.W","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/KFD2-SR2-Ex1.W.jpg?v=1779951799","url":"https:\/\/www.plcsparehub.com\/products\/pepperl-fuchs-kfd2-sr2-ex1-w-switch-amplifier-isolated-barrier-relay-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}