Pepperl+Fuchs KFD2-SL2-Ex2

Overview

The Pepperl+Fuchs KFD2-SL2-Ex2 is a high-performance, 2-channel isolated barrier solenoid driver meticulously engineered for paramount safety and reliability in intrinsically safe applications. This robust device is a critical component for delivering precise control to field devices operating within hazardous environments, including solenoids, LEDs, and sounders. With its capability to supply up to 45 mA at 11.7 V DC per channel, the KFD2-SL2-Ex2 ensures optimal functionality of your essential equipment in explosive atmospheres.

Designed with integration ease and operational security in mind, this unit boasts non-polarized logic inputs for versatile connectivity and sophisticated line fault detection (LFD) to proactively identify and mitigate potential wiring issues. Crucially, the KFD2-SL2-Ex2 is certified up to Safety Integrity Level (SIL) 2 according to IEC/EN 61508, making it an indispensable solution for mission-critical process automation systems where safety and uninterrupted operation are non-negotiable. Its intelligent design allows for reliable and safe switching, minimizing risks and maximizing operational efficiency in demanding industrial settings.

Key Features

• Dual Output Channels: Efficiently drives two independent solenoids or indicators within hazardous zones, optimizing space and wiring complexity.
• Non-Polarized Logic Inputs: Accepts standard 24 V DC signals, simplifying integration with diverse control systems without polarity concerns.
• High Output Current: Delivers 45 mA at 11.7 V DC per channel, ensuring sufficient power for a wide range of field devices.
• Integrated Line Fault Detection (LFD): Continuously monitors for short/open circuits, enabling rapid fault identification and enhancing system uptime and safety.
• SIL 2 Certified (IEC/EN 61508): Guarantees compliance with stringent safety standards for use in critical safety instrumented systems (SIS).
• Diagnostic LED Indicators: Provides clear visual feedback on power status, operational modes, and detected faults for quick troubleshooting.
• Compact DIN Rail Mounting: Features a slim 20 mm housing, ideal for efficient space utilization within crowded control cabinets.

Technical Specifications

• Model: KFD2-SL2-Ex2
• Power Supply: 20 to 30 V DC
• Power Consumption: Max. 3.3 W (at 45 mA output)
• Input Type: Logic signal (16–30 V for ON; 0–5 V for OFF)
• Input Current: Approximately 3 mA at 24 V DC
• Channels: 2 (independently controlled)
• Output (per channel):
  • Voltage: ≥ 11.7 V DC
  • Current: ≤ 45 mA
  • Internal Resistance: 272 Ω
• Switching Delay: ≤ 20 ms
• Line Fault Detection Thresholds:
  • Short circuit: < 50 Ω
  • Open circuit: > 10 kΩ
  • Test current: < 650 µA
• Isolation: Reinforced insulation between input, output, and power (Rated insulation voltage: 300 Veff)
• Ambient Temperature Range: -20 °C to +60 °C
• Protection Class: IP20
• Dimensions: 20 mm (W) × 119 mm (H) × 115 mm (D)
• Mounting: 35 mm DIN rail (EN 60715)
• Certifications: ATEX, IECEx, SIL 2 (IEC/EN 61508)

Applications

• Process Automation: Seamlessly operates actuators and indicators within hazardous area loops, ensuring precise control in critical industrial processes.
• Chemical & Oil Industries: Provides a robust safety control solution for solenoids, alarms, and other vital equipment in environments prone to explosive hazards.
• Safety Instrumented Systems (SIS): Integrates flawlessly into safety instrumented systems, meeting stringent SIL 2 compliance requirements for enhanced operational safety.
• Field Device Control: Reliably energizes coils, buzzers, lights, and other field devices, guaranteeing consistent performance in potentially explosive atmospheres.

Why Choose This Model?

The Pepperl+Fuchs KFD2-SL2-Ex2 stands out as a superior choice for several compelling reasons, making it an invaluable asset for your hazardous area applications:

• Space-Saving Dual-Channel Design: Its innovative dual-channel architecture in a compact footprint not only conserves valuable cabinet space but also streamlines wiring, reducing installation time and complexity.
• Advanced Built-in Diagnostics: Equipped with sophisticated line fault detection and clear LED indicators, this model provides instant and accurate fault identification, minimizing downtime and maximizing operational continuity.
• Certified Safety for Explosive Atmospheres: With ATEX and IECEx certifications, the KFD2-SL2-Ex2 is explicitly approved for use in explosive environments, offering peace of mind and regulatory compliance.
• Exceeds SIL 2 Standards: Meeting the rigorous IEC/EN 61508 SIL 2 standards, this driver is ideally suited for safety process systems where failure is not an option, reinforcing your safety protocols.
• Efficient Logic-Level Control: Enjoy precise and efficient control over your diverse field devices, ensuring optimal performance and responsiveness even in the most challenging conditions. By choosing the KFD2-SL2-Ex2, you are investing in unparalleled safety, efficiency, and reliability for your critical operations.

Order Now

Enhance the safety and efficiency of your hazardous area operations with the Pepperl+Fuchs KFD2-SL2-Ex2. Benefit from fast shipping and reliable worldwide delivery options to get your essential components when you need them. Contact us today to place your order or to learn more about how this exceptional solenoid driver can elevate your process automation.