ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 904490 - KFD2 Series Intrinsic Safety Switch Amplifier
This is a single-channel intrinsic safety barrier from the KFD2 series, designed to provide galvanic isolation and signal conditioning for field devices located in hazardous areas. It safely interfaces NAMUR proximity sensors or dry contacts with control systems in safe areas, featuring line fault detection and a relay output for reliable process control and safety applications.
Technical Specifications:
- SERIES/FAMILY: KFD2 Series (Intrinsic Safety Barriers)
- COMPONENT TYPE: Switch Amplifier, Single Channel, Isolated Barrier
- ELECTRICAL SPECS: 24VDC Nominal Supply Voltage, < 1.5W Power Consumption
- INPUT: NAMUR Proximity Sensor or Dry Contact from Hazardous Area (Zone 0, 1, 2)
- OUTPUT: 1 x SPDT (Single Pole Double Throw) Relay Contact, Rated for Safe Area Control Systems
- INTERFACE/CONTROL: Line Fault Detection (LFD) for Open/Short Circuit in Field Circuit, LED Indicators for Operation, Switching State, and Fault
- ENVIRONMENTAL/MOUNTING: IP20 Protection Rating, -20 °C to +60 °C Operating Temperature, 35 mm DIN Rail Mounting
- CERTIFICATION: ATEX, IECEx, FM, cULus for Intrinsic Safety Applications
- COMPATIBILITY/APPLICATION: Suitable for Safety Instrumented Systems (SIS) up to SIL 2 (IEC 61508), Interfacing Field Devices in Hazardous Locations with PLCs/DCS in Safe Areas