Pepperl+Fuchs KFD2-EB2.R4A.B

Overview

The Pepperl+Fuchs KFD2-EB2.R4A.B (part number 189784) is a state-of-the-art redundant power feed module engineered to deliver unwavering power to DIN rail-mounted devices within intrinsically safe control systems. Designed for applications demanding high reliability and continuous operation, this module facilitates a dual-redundant 24 V DC input, ensuring that connected isolators and barriers receive a stable and uninterrupted power supply of up to 4 Amperes. Its robust design and advanced features make it an indispensable component for critical industrial automation environments, particularly where uptime and safety are paramount. The KFD2-EB2.R4A.B integrates seamlessly into existing setups, providing enhanced system integrity and peace of mind.

Key Features

• Dual Redundant Power Supply: Accepts two independent 24 V DC inputs, safeguarding against power failures and ensuring continuous system operation.
• High Output Current Capacity: Delivers up to 4 Amperes to the Power Rail, sufficient for powering a significant number of interface modules.
• Wide Input Voltage Range: Operates efficiently with an input voltage between 20 V DC and 30 V DC, accommodating variations in power sources.
• Integrated Fault Monitoring: Features a built-in relay output for remote fault indication and clear LED indicators (Green for Power OK, Red for Fault) for immediate status assessment.
• Space-Saving Design: Its compact 20 mm width allows for high-density mounting on 35 mm DIN rails, optimizing panel space.
• Field-Replaceable Fuse: Includes an easily accessible 5 A replaceable glass fuse, simplifying maintenance and minimizing downtime.
• Industrial Temperature Range: Designed to operate reliably in harsh conditions, with an ambient temperature range of -40 °C to +60 °C, extendable to +70 °C with proper ventilation.

Technical Specifications

• Model: KFD2-EB2.R4A.B
• Part Number: 189784
• Input Voltage: 20 to 30 V DC
• Output Current: 4 A max. to Power Rail
• Output Voltage: ≥ input voltage - 0.6 V
• Fuse Rating: 5 A replaceable (glass fuse)
• Power Dissipation: ≤ 2.4 W
• Fault Relay Output: Max 30 V AC / 2 A or 40 V DC / 2 A; configurable for NO or NC switching; Delay: ~20 ms energized/de-energized
• Indicators: Green LED (Power ON), Red LED (Error / fault)
• Ambient Temperature Range: -40 °C to +60 °C (extendable to 70 °C with vertical spacing)
• Protection Class: IP20
• Mounting: 35 mm DIN rail (EN 60715)
• Dimensions: 20 mm (W) × 119 mm (H) × 115 mm (D)
• Weight: Approx. 150 g

Applications

The Pepperl+Fuchs KFD2-EB2.R4A.B redundant power supply module is versatile and ideally suited for a wide range of industrial applications where reliability and continuous power are critical:

• Process Control Panels: Provides highly reliable and redundant power to critical DIN rail isolators, signal conditioners, and field devices, ensuring uninterrupted process operation.
• Hazardous Area Installations: Specifically designed for safe deployment in Zone 2 hazardous areas, offering enhanced safety and operational integrity for intrinsically safe circuits with Power Rail systems.
• Redundant Safety Systems: Integral for safety-critical applications requiring fail-safe power delivery, contributing to the overall reliability and compliance of safety instrumented systems.
• Modular Automation Racks: Supports large-scale signal distribution setups in complex automation environments, effectively powering numerous interface modules and ensuring system stability.
• Critical Infrastructure: Essential for applications in power generation, water treatment, oil & gas, and chemical processing where any power interruption can have significant consequences.

Why Choose This Model?

Opting for the Pepperl+Fuchs KFD2-EB2.R4A.B redundant power supply module means investing in superior reliability and operational continuity. This module stands out due to its dual 24 V DC input capability, providing a robust defense against single-point power failures. With its generous 4 A output to the Power Rail, it can confidently support a substantial number of connected devices, making it a highly efficient solution for expanding systems. The integrated relay output for status feedback offers proactive fault detection and system monitoring, while its remarkably slim 20 mm design significantly conserves valuable panel space in crowded control cabinets. Furthermore, by choosing Pepperl+Fuchs, you gain access to world-renowned quality and robust SIL-compliant system integration, guaranteeing long-term performance and adherence to stringent industry standards. It's not just a power supply; it's a foundation for unwavering system integrity.

Order Now

Enhance the reliability and performance of your industrial control systems with the Pepperl+Fuchs KFD2-EB2.R4A.B redundant power supply module. Benefit from fast shipping and worldwide delivery options to get this essential component to your facility without delay. Secure your operations with a proven solution from a trusted leader in industrial automation.