PRODUCT DESCRIPTION
PEPPERL & FUCHS 70133252 - KFD2-SR2-EX1.W Switch Amplifier Isolated Barrier
This K-System series switch amplifier functions as an intrinsically safe isolated barrier, designed for reliable signal conditioning and switching in hazardous area applications. It provides galvanic isolation between the safe and hazardous areas, enabling the connection of NAMUR proximity sensors or mechanical contacts to control systems while maintaining explosion protection. Certified for use in Zone 0, 1, 2, and Class I, Division 1, 2 environments, it is critical for process automation and safety instrumented systems.
Technical Specifications:
- SERIES/FAMILY: K-System, KFD2 Series
- COMPONENT TYPE: Switch Amplifier, Single Channel, Isolated Barrier
- ELECTRICAL SPECS: 20-35 VDC Supply Voltage, 1-Channel SPDT Relay Output (250VAC/2A or 125VDC/0.5A)
- INTERFACE/CONTROL: 1-Channel Input for NAMUR Proximity Sensors (EN 60947-5-6) or Dry Contacts
- FEEDBACK/DIAGNOSTICS: Integrated Line Fault Detection (LFD) for Open and Short Circuit Monitoring
- PERFORMANCE: Switching Frequency up to 5 kHz
- ENVIRONMENTAL/MOUNTING: DIN Rail Mount, IP20 Protection Rating, -20 to +60 °C Operating Temperature
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, FM, cULus for Zone 0, 1, 2 Class I, Division 1, 2
- SAFETY INTEGRITY: Certified up to SIL 2 (IEC/EN 61508) and Performance Level d (ISO 13849)
- COMPATIBILITY/APPLICATION: Process Automation, Emergency Shutdown Systems, Fire and Gas Systems, Chemical, Oil & Gas Industries