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Pepperl+Fuchs KFD2-VR4-Ex1.26

by Pepperl+Fuchs

OverviewThe Pepperl+Fuchs KFD2-VR4-Ex1.26 is a robust 1-channel repeater power supply meticulously engineered for demanding industrial environments. This essential component is specifically designed to safely energize and control solenoid valves, LEDs, and various audible alarms situated within hazardous classified areas, including Zone 0/1. By providing intrinsically safe power, it effectively mitigates the risk of ignition, ensuring operational integrity and personnel safety. Furthermore, its advanced line fault detection capabilities contribute significantly to the overall reliability of critical control systems, promptly identifying and signaling any anomalies. Adhering to the stringent requirements of IEC/EN 61508, this device boasts a SIL 2 certification, rendering it an indispensable asset for safety-instrumented systems (SIS) within process automation applications. Its remarkably compact 20 mm housing facilitates seamless integration into control panels, optimizing space utilization and simplifying installation procedures.Key Features Manufacturer Item Number: 70107327 Application Versatility: Expertly drives Ex solenoids, LEDs, and alarms in hazardous Zone 0/1 environments. Output Type: Features an active, current-limited output to precisely manage power delivery. Power Supply: Operates efficiently on a 24 V DC supply, with a wide operating range of 20–30 V DC. Safety Integrity Level: SIL 2 certified with a Systematic Capability (SC) of 3, signifying high reliability in safety-related functions. Diagnostics: Integrated short circuit and line fault detection mechanisms ensure unwavering system reliability and swift issue identification. Galvanic Isolation: Provides robust 3-way galvanic isolation between input, output, and power supply, preventing interference and enhancing safety. Visual Indicators: Equipped with clear LED indicators for instant diagnostic feedback and status visualization. Compact Design: A slim 20 mm housing width for efficient space utilization. Mounting: Designed for convenient DIN rail mounting, streamlining installation. Technical Specifications Model: KFD2-VR4-Ex1.26 MFG Item No.: 70107327 Channels: 1 Input Signal: Accepts a 24 V DC control signal originating from the safe area. Output: Provides a current-limited power supply specifically tailored for solenoids within Ex zones. Output Voltage: Delivers a minimum of 10 V at 20 mA, ensuring adequate power for connected devices. Max Output Current: Capable of supplying up to 45 mA. Supply Voltage: 24 V DC nominal. Line Fault Detection: Comprehensive monitoring for both short circuits and open circuits on the line. Housing Width: 20 mm. Mounting Type: Conforms to DIN rail (EN 60715) standards for universal compatibility. Temperature Range: Operates reliably across a broad temperature spectrum of –20 to +60 °C. Protection Class: Rated IP20 for protection against solid objects larger than 12.5mm. Safety Certification: Attains SIL 2 certification in accordance with IEC/EN 61508 standards. Approvals: Fully compliant with major international standards including ATEX, IECEx, UL, CSA, and CE. Applications Hazardous Area Control Systems: Acts as a trusted driver for Ex-certified actuators, indicators, and other critical field devices in explosive atmospheres. Emergency Shutdown Systems (ESD): Provides safe and reliable power to critical solenoids within ESD systems, crucial for plant safety. Chemical Plants & Refineries: Enables intrinsically safe activation of alarms and controls in environments where flammable substances are present. Process Automation: Ensures reliable power delivery and control to field devices, optimizing overall process efficiency and safety. Why ChooseThe Pepperl+Fuchs KFD2-VR4-Ex1.26 offers an unparalleled combination of safety, performance, and reliability, making it the preferred choice for demanding industrial applications. Its SIL 2 compliance underscores its suitability for rigorous safety-instrumented systems.Order NowContact us today to integrate the KFD2-VR4-Ex1.26 into your industrial automation setup.FAQWhat is the primary function of the KFD2-VR4-Ex1.26?It is designed to safely power and control devices like solenoid valves, LEDs, and alarms in hazardous Zone 0/1 environments.What safety certification does this device hold?It is SIL 2 certified according to IEC/EN 61508, ensuring high integrity for safety-instrumented systems.Can this device detect line faults?Yes, it includes advanced short circuit and open circuit line fault detection for enhanced system reliability.What are the dimensions of the housing?The unit features a compact 20 mm width, ideal for space-saving DIN rail mounting.What types of applications benefit from this device?It is highly suitable for hazardous area control systems, emergency shutdown systems, chemical plants, refineries, and general process automation.

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