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Pepperl+Fuchs KFD2-SR2-EX1.W.LB

by Pepperl+Fuchs

OverviewThe Pepperl+Fuchs KFD2-SR2-EX1.W.LB (Part No. 203351) is a sophisticated 1-channel isolated signal relay engineered for paramount safety and exceptional accuracy in hazardous work environments. This robust device seamlessly integrates with NAMUR sensors or dry contacts, offering superior signal integrity and consistent operational dependability. Featuring Ex ia intrinsic safety, SIL2 certification, and advanced Line Fault Detection (LFD), it is the ideal solution for vital control systems that demand the highest levels of protection and performance. Its design guarantees immediate identification of any input circuit fault, thereby safeguarding both personnel and facility assets.Key Features Input Flexibility: Compatible with both NAMUR sensors and dry contacts, providing adaptable integration possibilities. Dependable Output: Equipped with a 1 SPDT (Single Pole Double Throw) relay contact for reliable switching. Compact Design: A slim 12.5 mm housing width, optimized for efficient DIN rail (35 mm) mounting. Versatile Power: Operates on a 20–30 VDC supply, connectable via terminals or a Power Rail for straightforward installation. Robust Switching Capability: Relay rated at 250 V AC / 2 A, suitable for a broad spectrum of uses. Certified Safety: SIL2 (Safety Integrity Level 2) compliant with IEC 61508, ensuring functional safety for critical applications. Hazardous Location Protection: Ex ia IIC certified, guaranteeing intrinsic safety for deployment in Zone 0, 1, and 2 hazardous areas. Advanced Diagnostics: Integrated Line Fault Detection (LFD) actively monitors for open or short circuits on the input line, enhancing system uptime. Clear Status Indication: Intuitive LED indicators for power, status, and fault simplify troubleshooting and monitoring tasks. Durable Construction: Housed in high-quality polyamide, ensuring longevity and resilience in demanding industrial environments. Technical Specifications Model Number: KFD2-SR2-EX1.W.LB Part Number: 203351 Switching Voltage: Maximum 253 V AC / 125 V DC Switching Current: Maximum 2 A Voltage Drop: Minimal, preserving loop integrity for precise measurements. Current Consumption: Approximately 30 mA, contributing to energy efficiency. Operating Temperature: Wide range from -20°C to +60°C, suitable for various industrial environments. Housing Material: Polyamide, offering excellent durability and chemical resistance. Dimensions (W x H x D): 12.5 x 119 x 114.5 mm, for optimized panel space utilization. Weight: Approximately 150 g, ensuring easy handling and installation. Applications Oil & Gas Exploration: Provides a secure and isolated relay output from field sensors in demanding extraction and processing facilities. Chemical Manufacturing: Facilitates intrinsically safe signal routing with comprehensive diagnostics, crucial for preventing hazardous incidents. Pharmaceutical & Process Control: Essential for monitoring NAMUR signals with integrated fault detection, maintaining operational integrity and product quality. Water and Wastewater Treatment: Offers a high-reliability interface for signals originating from Ex zones, ensuring continuous operation of vital infrastructure. SIL2 Compliant Systems: Perfectly integrates into functional safety automation networks, helping achieve and maintain SIL2 compliance for critical control loops. Industrial Automation: Enhances the safety and diagnostic capabilities of general automation systems operating in potentially explosive atmospheres. Why Choose This Pepperl+Fuchs Relay?When safety, reliability, and precision are paramount, the Pepperl+Fuchs KFD2-SR2-EX1.W.LB stands out as the optimal selection. This 1-channel relay is not just a component; it represents a crucial investment in the operational integrity and safety of your hazardous environment applications. Its integrated Line Fault Detection (LFD) provides proactive system monitoring, enabling early intervention and minimizing costly downtime. Being SIL2 certified, it adheres to stringent international safety standards, offering peace of mind for critical control loops.Order NowEnhance the safety and efficiency of your industrial operations. Add the Pepperl+Fuchs KFD2-SR2-EX1.W.LB to your system today.FAQWhat is the primary function of the KFD2-SR2-EX1.W.LB?It is a 1-channel isolated signal relay designed to provide paramount safety and precision in hazardous environments, interfacing with NAMUR sensors or dry contacts.What safety certifications does this relay hold?It boasts Ex ia intrinsic safety and SIL2 compliance according to IEC 61508, making it suitable for Zone 0, 1, and 2 hazardous locations.What is Line Fault Detection (LFD)?LFD is an advanced diagnostic feature that actively monitors for open or short circuits on the input line, enhancing system uptime and reliability.Can this device be used with different sensor types?Yes, it offers input versatility, compatible with both NAMUR sensors and dry contacts.What is the operating temperature range?The device operates reliably in a wide temperature range from -20°C to +60°C.

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