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

Overview

The Pepperl+Fuchs KFD2-SR2-EX1.W.LB (Part No. 203351) is a cutting-edge 1-channel isolated signal relay engineered for paramount safety and precision in hazardous environments. This robust device seamlessly interfaces with NAMUR sensors or dry contacts, delivering unparalleled signal integrity and operational reliability. Boasting Ex ia intrinsic safety, SIL2 compliance, and advanced Line Fault Detection (LFD), it is the quintessential solution for critical control systems demanding the highest standards of protection and performance. Its design ensures that any fault in the input circuit is immediately identified, safeguarding both personnel and plant assets.

Key Features

• Input Versatility: Compatible with both NAMUR sensors and dry contacts, providing flexible integration options.
• Reliable Output: Equipped with a 1 SPDT (Single Pole Double Throw) relay contact for dependable switching.
• Space-Saving Design: Compact 12.5 mm housing width, optimized for efficient DIN rail (35 mm) mounting.
• Flexible Power: Operates on a 20–30 VDC supply, connectable via terminals or a Power Rail for ease of installation.
• Robust Switching Capacity: Relay rated at 250 V AC / 2 A, suitable for a wide range of applications.
• Certified Safety: SIL2 (Safety Integrity Level 2) compliant according to IEC 61508, ensuring functional safety in critical applications.
• Hazardous Area Protection: Ex ia IIC certified, guaranteeing intrinsic safety for use in Zone 0, 1, and 2 hazardous locations.
• 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.
• Durable Construction: Housed in high-quality polyamide, ensuring longevity and resistance in industrial settings.

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 diverse 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 the Pepperl+Fuchs KFD2-SR2-EX1.W.LB?

When safety, reliability, and precision are non-negotiable, the Pepperl+Fuchs KFD2-SR2-EX1.W.LB stands out as the ultimate choice. This 1-channel relay isn't just a component; it's a critical investment in the operational integrity and safety of your hazardous area applications. Its integrated Line Fault Detection (LFD) provides proactive system monitoring, allowing for early intervention and minimizing downtime. Being SIL2 certified, it meets rigorous international safety standards, offering peace of mind for even the most sensitive industrial processes. The compact 12.5 mm DIN rail housing is designed for efficient space utilization without compromising on performance. Furthermore, its Ex ia certification guarantees safe operation in areas where explosive atmospheres may be present. With reliable relay switching and 3-way isolation, the KFD2-SR2-EX1.W.LB delivers consistent, interference-free performance, making it an indispensable asset for any modern industrial setup. Choose Pepperl+Fuchs for a solution that combines innovative technology with a steadfast commitment to safety.

Order Now

Elevate the safety and efficiency of your industrial operations. The Pepperl+Fuchs KFD2-SR2-EX1.W.LB (Part No. 203351) is readily available and ready to ship worldwide. Secure your critical systems with a product that delivers unparalleled protection and diagnostic capabilities. Contact us today or add to cart to experience the difference of a truly intrinsically safe and reliable relay.