Pepperl+Fuchs KFD2-STC5-Ex2

Overview

The Pepperl+Fuchs KFD2-STC5-Ex2 (Part No. 203645) is a state-of-the-art 2-channel SMART transmitter power supply and isolated barrier, meticulously engineered for critical applications in hazardous areas. This sophisticated device provides a robust interface for 2-wire SMART transmitters or current sources, ensuring seamless and secure transmission of analog signals (4–20 mA) to the safe area. Designed with precision, it fully supports bidirectional HART communication, enabling advanced diagnostics and configuration from a safe location.

Complying with the stringent requirements of IEC/EN 61508, the KFD2-STC5-Ex2 is certified for use in Safety Integrity Level (SIL) 2 (SC 3) systems. Its advanced design incorporates galvanic isolation, offering superior protection and signal integrity. Furthermore, its compact 20 mm width and DIN rail mounting capability facilitate easy integration into existing and new process automation environments, making it an indispensable component for reliable and safe industrial operations.

Key Features

• Manufacturer Part Number: 203645
• Channels: 2 fully isolated input/output channels for independent operation.
• Input Compatibility: Specifically designed for 2-wire SMART transmitters or current sources situated in hazardous locations.
• Output: Generates active 4–20 mA current signals, safely transmitted to non-hazardous areas.
• Power Supply: Operates efficiently within a 20–30 V DC range, ensuring stable performance.
• HART Compatibility: Supports comprehensive bidirectional digital communication for enhanced control and monitoring.
• Safety Certification: SIL 2 certified (SC 3) according to IEC/EN 61508, ensuring high levels of functional safety.
• Galvanic Isolation: Provides 3-way isolation between input, output, and power supply, preventing interference and ensuring safety.
• Mounting: Space-saving DIN rail mounting with a narrow 20 mm housing width for efficient cabinet utilization.
• LED Indicators: Integrated LEDs offer clear status and fault diagnostics for quick troubleshooting.

Technical Specifications

• Model: KFD2-STC5-Ex2
• Part Number: 203645
• Input Signal: From SMART or 2-wire transmitters
• Output Signal: 4–20 mA (active)
• Supply Voltage: 24 V DC nominal (20–30 V range)
• Housing Width: 20 mm
• Temperature Range: –20 °C to +60 °C (operational)
• Protection Rating: IP20
• Isolation Voltage: 375 V AC
• Compliance: ATEX, IECEx, UL, CSA, CE (meets global industry standards)
• Functional Safety: SIL 2 (SC 3) certified

Applications

• Chemical and Petrochemical Plants: Essential for intrinsically safe transmitter integration in explosive atmospheres.
• Oil & Gas Facilities: Ensures reliable and accurate analog signal transmission from critical field devices.
• Water & Wastewater Treatment: Ideal for transmitter interfacing in remote I/O systems, enhancing operational safety.
• Pharmaceutical and Food Processing: Provides compact, SIL-compliant automation solutions where hygiene and safety are paramount.
• General Process Control: Offers vital signal isolation for HART-enabled transmitters across diverse industrial processes.

Why Choose This Model?

The Pepperl+Fuchs KFD2-STC5-Ex2 stands out as a superior choice for demanding industrial applications due to its unparalleled combination of features and reliability. With two channels housed within an exceptionally compact 20 mm housing, it maximizes cabinet space without compromising performance. Its full SIL 2 certification, coupled with comprehensive HART compatibility, guarantees the highest standards of functional safety and advanced diagnostic capabilities. This model ensures reliable analog signal transmission from challenging Ex zones, safeguarding personnel and equipment.

By choosing the KFD2-STC5-Ex2, you're investing in the renowned quality and durability that Pepperl+Fuchs is celebrated for, ensuring long-term performance even in the most demanding environments. This device is engineered to deliver precision, safety, and efficiency, making it a critical asset for optimizing your process control systems.

Order Now

The Pepperl+Fuchs KFD2-STC5-Ex2 (Part No. 203645) is currently in stock and available for immediate global shipping. Enhance the safety and efficiency of your hazardous area applications by securing this essential component today!