{"product_id":"pepperl-fuchs-kfd2-st3-ex2-2-channel-switch-amplifier-dry-contact-namur","title":"Pepperl+Fuchs KFD2-ST3-Ex2","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Pepperl+Fuchs KFD2-ST3-Ex2 is a robust and highly reliable 2-channel isolated barrier, meticulously engineered to facilitate the secure transfer of digital signals from hazardous locations to safe area control systems. This indispensable device seamlessly integrates NAMUR sensors or dry contacts, ensuring critical data integrity and operational safety in demanding industrial environments. Each channel boasts an active transistor output, providing clear and decisive signal transmission. A cornerstone of its design is the comprehensive galvanic isolation between the input, output, and power supply, which safeguards against electrical interference and enhances overall system protection. The KFD2-ST3-Ex2 features advanced line fault detection (LFD) capabilities, proactively identifying lead breakage and short-circuit conditions. Its reversible mode of operation, easily configurable via DIP switches, offers exceptional flexibility to adapt to diverse application requirements. Furthermore, this switch amplifier is proudly SIL 2 certified in accordance with IEC\/EN 61508, underscoring its commitment to high reliability and adherence to stringent safety standards for critical applications.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInput Flexibility:\u003c\/strong\u003e Compatible with both dry contacts and NAMUR sensors for broad application suitability.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDual Channel Design:\u003c\/strong\u003e Provides two independent channels for efficient signal processing.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eActive Transistor Output:\u003c\/strong\u003e Ensures robust and reliable signal switching.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSuperior Isolation:\u003c\/strong\u003e Features galvanic isolation between input, output, and power supply for enhanced safety and reduced interference.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAdvanced Diagnostics:\u003c\/strong\u003e Integrated Line Fault Detection (LFD) for prompt identification of wiring issues (lead breakage and short-circuit).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConfigurable Operation:\u003c\/strong\u003e Reversible mode of operation via DIP switches allows for application-specific customization.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety Certified:\u003c\/strong\u003e SIL 2 certified according to IEC\/EN 61508, guaranteeing high integrity in safety instrumented systems.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompact and Durable:\u003c\/strong\u003e Housed in a slim 20 mm wide enclosure with IP20 protection, ideal for DIN rail mounting.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e Functions reliably in ambient temperatures ranging from -20 °C to +60 °C.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGlobal Compliance:\u003c\/strong\u003e Multiple approvals including ATEX, IECEx, UL, CE, and UKCA ensure suitability for international markets.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEasy Powering:\u003c\/strong\u003e Operates on 19–30 V DC via Power Rail or dedicated terminals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSignal Type:\u003c\/strong\u003e Digital Input\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInput Connections:\u003c\/strong\u003e Terminals 1+, 2+, 3- (Channel I); 4+, 5+, 6- (Channel II)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOutput Connections:\u003c\/strong\u003e Output I: terminal 7+; Output II: terminal 9+\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOpen Circuit Voltage\/Short-Circuit Current:\u003c\/strong\u003e Approx. 10 V DC \/ approx. 8 mA\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSwitching Point\/Hysteresis:\u003c\/strong\u003e 1.2–2.1 mA \/ approx. 0.2 mA\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLine Fault Detection (LFD) Thresholds:\u003c\/strong\u003e Breakage: I ≤ 0.1 mA; Short-Circuit: I ≥ 6.5 mA\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eResponse Time:\u003c\/strong\u003e ≤200 µs\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSwitching Frequency:\u003c\/strong\u003e ≤5 kHz\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRated Output Voltage:\u003c\/strong\u003e 30 V DC\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRated Output Current:\u003c\/strong\u003e 100 mA\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSignal Level (Output):\u003c\/strong\u003e 1-Signal: (Supply voltage) - 3 V max. for 100 mA; 0-Signal: Blocked output (off-state current ≤10 µA)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGalvanic Isolation:\u003c\/strong\u003e Input\/Output and Input\/Power Supply: Reinforced insulation according to IEC\/EN 61010-1, rated insulation voltage 300 V_eff\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIndicators:\u003c\/strong\u003e LEDs for power supply, output status, and line fault alerts\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e DIP switches located on the device\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 35 mm DIN rail (EN 60715)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDimensions (W×H×D):\u003c\/strong\u003e 20 × 119 × 115 mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProtection Class:\u003c\/strong\u003e IP20\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAmbient Temperature Range:\u003c\/strong\u003e -20 °C to +60 °C\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approximately 150 g\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 262111\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProcess Automation Systems:\u003c\/strong\u003e Essential for reliable signal transfer in complex control loops.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eChemical and Petrochemical Industries:\u003c\/strong\u003e Designed to meet the rigorous safety demands of explosive atmospheres.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOil and Gas Facilities:\u003c\/strong\u003e Ensures safe operation and monitoring in onshore and offshore environments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePharmaceutical Manufacturing:\u003c\/strong\u003e Critical for maintaining safety and operational integrity in sensitive production processes.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWater and Wastewater Treatment Plants:\u003c\/strong\u003e Provides robust and reliable solutions for instrumentation in harsh conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePower Generation:\u003c\/strong\u003e Used for monitoring and control in both conventional and renewable energy plants.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFood and Beverage Industry:\u003c\/strong\u003e Compatible with stringent industrial hygiene requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This Model?\u003c\/h2\u003e\n\u003cp\u003eThe Pepperl+Fuchs KFD2-ST3-Ex2 stands out as a premier choice for professionals seeking uncompromising reliability and safety in hazardous area applications. Its intrinsic safety design, coupled with comprehensive certifications like SIL 2 and ATEX, provides peace of mind that your operations are protected against potential risks. The device's advanced galvanic isolation critically prevents ground loops and electrical interference, safeguarding sensitive control systems. Its versatile input options, accommodating both dry contacts and NAMUR sensors, ensure broad compatibility with existing field instrumentation. The KFD2-ST3-Ex2's intelligent line fault detection minimizes downtime by quickly pinpointing wiring issues, while the configurable operating modes offer unparalleled adaptability to specific process requirements. Its compact, space-saving design is ideal for control cabinets where density is a concern, without compromising on performance or functionality. By choosing the KFD2-ST3-Ex2, you invest in a solution that combines Pepperl+Fuchs' renowned engineering excellence with a focus on ease of installation, robust diagnostics, and long-term operational stability, making it an intelligent investment for critical industrial infrastructure.\u003c\/p\u003e\n\n\u003ch2\u003eOrder Now\u003c\/h2\u003e\n\u003cp\u003eElevate the safety and efficiency of your industrial processes. Order the Pepperl+Fuchs KFD2-ST3-Ex2, Part Number 262111, today to experience a superior level of signal isolation and reliability. Contact our sales team or visit our website for further details and to secure your advanced 2-channel switch amplifier.\u003c\/p\u003e","brand":"Pepperl+Fuchs","offers":[{"title":"Default Title","offer_id":45213067608117,"sku":"KFD2-ST3-Ex2","price":606.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/7263\/6213\/files\/KFD2-ST3-Ex2.webp?v=1778514153","url":"https:\/\/djer6s-ji.myshopify.com\/products\/pepperl-fuchs-kfd2-st3-ex2-2-channel-switch-amplifier-dry-contact-namur","provider":"PLCReadyparts","version":"1.0","type":"link"}