Pepperl+Fuchs KFD2-VR4-Ex1.26

Overview

The Pepperl+Fuchs KFD2-VR4-Ex1.26, identified by part number 70107327, stands as 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 (DIN rail mountable) 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 Choose This Model?

The 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 even the most critical safety functions, while its compact design allows for efficient panel real estate management. The integration of advanced diagnostic features, such as line fault and short circuit detection, significantly enhances system uptime and simplifies maintenance. With its robust construction and broad international approvals, this repeater power supply stands ready to deliver consistent and secure operation in the harshest industrial environments, ensuring the protection of both assets and personnel. Invest in proven technology for peace of mind and operational excellence.

Order Now

The Pepperl+Fuchs KFD2-VR4-Ex1.26 (Part No. 70107327) is readily available in stock and can be shipped worldwide. Secure your essential component for hazardous area applications today and enhance the safety and efficiency of your operations.