ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 419613 - KFD2-SR2-EX1.W Isolated Barrier Switch Amplifier
This K-System series isolated barrier functions as a 1-channel switch amplifier, designed to interface NAMUR sensors or mechanical contacts located in hazardous areas with conventional control systems in the safe area. It provides intrinsic safety protection for field devices while offering two independent relay outputs for signal transmission and fault indication.
Technical Specifications:
- SERIES/FAMILY: K-System, KFD2 Series
- COMPONENT TYPE: Isolated Barrier Switch Amplifier
- ELECTRICAL SPECS: 20-35VDC Supply Voltage, 1.5W Power Consumption (typical)
- INPUT: 1-channel for NAMUR proximity switches or dry contacts in hazardous areas
- OUTPUT: 2-channel relay outputs (changeover contacts), rated for 250VAC/2A or 125VDC/0.2A
- INTERFACE/CONTROL: Line fault detection (LFD) for open and short circuits, selectable operating modes
- SAFETY CERTIFICATION: ATEX, IECEx, UL, cUL, FM, KOSHA, NEPSI, EAC, SIL 2 (IEC 61508)
- HAZARDOUS AREA CLASSIFICATION: Ex ia IIC/IIB for intrinsically safe circuits
- ENVIRONMENTAL/MOUNTING: DIN rail mounting, IP20 protection, -20 to +60 °C Operating Temperature
- COMPATIBILITY/APPLICATION: Process automation, chemical plants, oil & gas, pharmaceuticals, interfacing field devices in Zone 0, 1, 2 (Gas) and Zone 20, 21, 22 (Dust) with PLCs/DCS systems.