DESCRIZIONE PRODOTTO
PEPPERL & FUCHS 70103523 - KFD2-SR2-EX1.W Series Intrinsic Safety Switch Amplifier
The PEPPERL & FUCHS KFD2-SR2-EX1.W is a single-channel intrinsic safety barrier from the K-System series, engineered to provide galvanic isolation and signal conditioning for control circuits operating in hazardous areas. It functions as a switch amplifier, enabling the safe operation of loads in the safe area based on signals from NAMUR sensors or mechanical contacts located in Zone 0, 1, or 2 environments. This module ensures compliance with explosion protection standards while maintaining signal integrity for critical process control applications.
Technical Specifications:
- SERIES/FAMILY: K-System, KFD2-SR2-EX1.W
- COMPONENT TYPE: Intrinsic Safety Switch Amplifier / Safety Relay Output Barrier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC (24V DC nominal)
- INPUT: NAMUR sensor or dry contact input from hazardous area
- OUTPUT: 1-channel isolated relay output (SPDT), rated for 250VAC/2A or 30VDC/2A
- EXPLOSION PROTECTION: Intrinsic Safety Ex ia/ib IIC for Zone 0, 1, 2 (gas) and Ex ia/ib IIIC for Zone 20, 21, 22 (dust)
- SAFETY INTEGRITY: Certified up to SIL 2 (IEC 61508/61511)
- INTERFACE/CONTROL: Input for NAMUR sensors or mechanical contacts Relay output for safe area load control
- ENVIRONMENTAL/MOUNTING: DIN rail mounting, IP20 protection, Extended operating temperature range (-20°C to +60°C)
- COMPATIBILITY/APPLICATION: Process automation, chemical processing, oil & gas, pharmaceutical industries suitable for controlling solenoid valves, contactors, and signaling devices in hazardous locations.