PRODUCT DESCRIPTION
PEPPERL & FUCHS 116449 - KFD2-SR2-EX1.W.SM Intrinsically Safe Switch Amplifier
This K-System module is a two-channel intrinsically safe switch amplifier designed for driving solenoid valves, sounders, and other loads located in hazardous areas from safe area control signals. It provides galvanic isolation between the control circuit and the intrinsically safe output, ensuring compliance with explosion protection requirements. Integrated line fault detection and safety monitoring features enhance system reliability and diagnostic capabilities for critical process control applications.
Technical Specifications:
- SERIES/FAMILY: K-System, KFD2 Series
- COMPONENT TYPE: Intrinsically Safe Switch Amplifier / Solenoid Driver
- CHANNELS: Two (2) independent input channels, Two (2) relay outputs
- ELECTRICAL SPECS: 24VDC Nominal Supply Voltage (20-35VDC Operating Range)
- OUTPUT TYPE: Changeover relay (SPDT) for each channel, intrinsically safe
- HAZARDOUS AREA CLASSIFICATION: ATEX, IECEx, FM, cULus certified for Zone 0, 1, 2, 20, 21, 22 applications
- SAFETY INTEGRITY LEVEL: Up to SIL 2 (IEC 61508)
- INTERFACE/CONTROL: Input from safe area control systems (e.g., PLC digital outputs)
- FEATURES: Galvanic isolation, Line fault detection (LFD), Short circuit protection, Switch monitoring
- ENVIRONMENTAL/MOUNTING: DIN rail mounting, IP20 protection rating, Operating Temperature -20 to +60 °C
- COMPATIBILITY/APPLICATION: Drives intrinsically safe loads (solenoid valves, LEDs, sounders) in chemical, petrochemical, pharmaceutical, and oil & gas industries.