PRODUCT DESCRIPTION
PEPPERL & FUCHS 218556 - KFD2-SR2-EX1.W Intrinsic Safety Switch Amplifier
This is a 2-channel intrinsic safety switch amplifier from the K-System series, engineered for reliable signal conditioning and galvanic isolation of NAMUR sensors or mechanical contacts located in hazardous areas. It provides two potential-free relay outputs for control systems in the safe area, incorporating line fault detection for enhanced system integrity in process automation and safety instrumented systems.
Technical Specifications:
- SERIES/FAMILY: K-System, KFD2 Series
- COMPONENT TYPE: Intrinsic Safety Switch Amplifier
- ELECTRICAL SPECS: 24VDC Nominal Supply (20-35VDC Range), 1.5W Power Consumption, 250VAC/2A or 30VDC/2A Relay Output Switching Capacity
- INTERFACE/CONTROL: Two independent input channels for NAMUR proximity sensors (EN 60947-5-6) or potential-free contacts Two SPDT (changeover) relay outputs
- SAFETY FEATURES: Intrinsic safety barrier (Ex ia IIC) for Zone 0/1/2 applications, Line Fault Detection (LFD) for open/short circuit in field wiring, Galvanic isolation
- ENVIRONMENTAL/MOUNTING: IP20 Protection, 35mm DIN Rail Mounting, -20 °C to +60 °C Operating Temperature
- COMPATIBILITY/APPLICATION: Process automation, chemical and petrochemical industries, oil & gas, pharmaceuticals, safety instrumented systems (SIS) requiring SIL 2/3 capability