Pepperl+Fuchs KFA6-SR2-EX1.W

Overview

The Pepperl+Fuchs KFA6-SR2-EX1.W (Part No. 103374) is a high-performance, 1-channel isolated signal relay meticulously engineered for critical applications in hazardous areas. Designed to flawlessly interface with intrinsically safe input circuits (Ex ia), it accommodates both dry contact and NAMUR sensors, ensuring safe and reliable signal transmission. This device is an essential component for maintaining operational integrity and safety in industrial process control, offering robust isolation between hazardous environments and safe zones. Its compliance with SIL2 functional safety standards underscores its reliability and suitability for demanding safety-instrumented systems, while its DIN rail mounting capability allows for seamless integration into existing control panels with a compact footprint.

Key Features

• Intrinsically Safe Input: Supports NAMUR sensors or dry contacts, providing versatile input compatibility for a range of field devices in hazardous environments.
• Reliable Output: Equipped with 1 SPDT (Single Pole Double Throw) relay contact, offering dependable switching capabilities for control circuits.
• Space-Saving Design: Features a compact 12.5 mm housing width, optimizing panel space on standard 35 mm DIN rails.
• Wide Power Supply Range: Operates efficiently with a 20–30 VDC power supply, ensuring stable performance across various industrial power configurations.
• Robust Output Rating: Capable of handling output loads up to 250 V AC / 2 A, suitable for diverse control applications.
• Superior Signal Isolation: Provides 3-way isolation (input/output/power), effectively preventing interference and ensuring signal integrity and safety.
• Advanced Safety Compliance: Certified for SIL2 functional safety according to IEC 61508, making it ideal for safety-critical applications requiring high reliability.
• Explosion Protection: Features Ex ia IIC intrinsic safety compliance, guaranteeing safe operation in environments with potentially explosive atmospheres.
• Clear Diagnostics: Integrated LED indicators for status and fault conditions provide immediate visual feedback for troubleshooting and operational monitoring.

Technical Specifications

• Model Number: KFA6-SR2-EX1.W
• Part Number: 103374
• Input Signal: Conforms to IEC 60947-5-6 (NAMUR), ensuring compatibility with industry-standard NAMUR sensors.
• Response Time: Approximately 10 ms, providing rapid signal processing for time-sensitive applications.
• Voltage Drop: Designed for low voltage drop, maintaining loop integrity and optimizing signal transmission efficiency.
• Housing Material: Constructed from high-quality Polyamide, offering durability and resistance to harsh industrial conditions.
• Operating Temperature: A broad range from -20°C to +60°C, ensuring reliable performance in various environmental conditions.
• Dimensions (W x H x D): 12.5 x 119 x 114.5 mm, highlighting its compact design for efficient panel utilization.
• Weight: Approximately 150 g, making it lightweight and easy to handle during installation.

Applications

• Industrial Process Control: Functions as a reliable relay interface for hazardous field signals, bridging the gap between field devices and control systems.
• Oil & Gas Industry: Ensures safe signal routing from potentially explosive (Ex) areas, crucial for maintaining operational safety and compliance.
• Chemical Plants: Provides intrinsically safe relay switching, vital for preventing ignition in environments where flammable substances are present.
• Water Treatment Facilities: Facilitates robust signal conditioning from remote sensors, ensuring accurate data acquisition and control in challenging environments.
• SIL2 Safety Systems: An integral component in functional safety-compliant control loops, enhancing the overall safety architecture of industrial processes.

Why Choose This Model?

The Pepperl+Fuchs KFA6-SR2-EX1.W stands out as a superior choice for your industrial safety and control needs. Its Ex ia certification provides an essential layer of safety for hazardous locations, ensuring operations remain compliant and secure. The versatility of supporting both NAMUR and dry contact inputs makes it adaptable to a wide array of existing and new installations. With its SIL2 rating for high-reliability safety systems, you gain peace of mind knowing your processes are protected by a device meeting stringent safety standards. The compact 12.5 mm housing is a significant advantage, saving valuable space on crowded DIN rails without compromising performance. Furthermore, by choosing this model, you benefit from the renowned Pepperl+Fuchs quality—a guarantee of exceptional signal isolation and precise control, backed by decades of expertise in industrial sensing and explosion protection.

Order Now

Elevate the safety and efficiency of your operations today. The Pepperl+Fuchs KFA6-SR2-EX1.W is readily available and ships worldwide, ensuring that critical industrial applications around the globe can benefit from its advanced features and unwavering reliability. Contact us to secure this essential component for your safety-instrumented systems and hazardous area installations.