PRODUCT DESCRIPTION
PEPPERL & FUCHS KFD2-SRA-EX4 - Quad Channel Switch Repeater Isolating Barrier
The PEPPERL & FUCHS KFD2-SRA-EX4 is a quad-channel intrinsic safety isolating barrier from the K-System series, engineered to interface NAMUR sensors or mechanical contacts located in hazardous areas with safe area control systems. It provides four independent relay outputs, ensuring reliable signal transmission and galvanic isolation while maintaining intrinsic safety for connected field devices in demanding process automation environments.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Switch Repeater Isolating Barrier
- FUNCTION: Quad Channel, NAMUR Input to Relay Output
- INPUT TYPE: 4x Channels for NAMUR proximity sensors or mechanical contacts (EN 60947-5-6)
- OUTPUT TYPE: 4x SPDT (Single Pole Double Throw) Relay Outputs
- OUTPUT RATING: 250VAC/2A or 30VDC/2A (Resistive Load)
- SUPPLY VOLTAGE: 20-35VDC (Nominal 24VDC)
- POWER CONSUMPTION: < 1.5W per channel
- SAFETY INTEGRITY LEVEL: Up to SIL 2 (IEC 61508)
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx [Ex ia Ga] IIC/IIB (for connection to Zone 0/1/2)
- MOUNTING: 35mm DIN Rail
- CONNECTION: Screw Terminals
- ENVIRONMENTAL RATING: IP20
- OPERATING TEMPERATURE: -20°C to +60°C
- COMPATIBILITY/APPLICATION: Intrinsic safety applications in process control, interfacing hazardous area NAMUR sensors or mechanical contacts with safe area control systems.