DESCRIZIONE PRODOTTO
PEPPERL & FUCHS 239209 - KFD2-SR2-EX1.W Isolated Barrier Switch Amplifier
This is a 1-channel isolated barrier from the K-System series, engineered for interfacing NAMUR proximity sensors or mechanical contacts located in hazardous areas with control systems in safe areas. It provides intrinsic safety protection according to ATEX and IECEx standards, featuring a relay output for signal transmission and comprehensive line fault detection.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Isolated Barrier Switch Amplifier
- MODEL: KFD2-SR2-EX1.W
- ELECTRICAL SPECS: 24 VDC Nominal Supply Voltage, 10% Tolerance Max. 100 mA Current Consumption
- INPUT TYPE: 1-channel for NAMUR proximity sensors (EN 60947-5-6) or dry contacts
- OUTPUT TYPE: 1-channel SPDT (Single Pole Double Throw) Relay Output, Changeover Contact
- SWITCHING CAPACITY: 250 VAC / 2 A / 500 VA 40 VDC / 2 A / 80 W (resistive load)
- SAFETY INTEGRITY LEVEL: Up to SIL 2 (IEC 61508)
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, cULus, EAC, KOSHA, NEPSI
- INTERFACE/CONTROL: LED indicators for switching state and fault Line fault detection (LFD)
- ENVIRONMENTAL/MOUNTING: DIN Rail Mounting (35 mm) IP20 Protection Rating Operating Temperature -20 to +60 °C
- COMPATIBILITY/APPLICATION: Process automation, chemical plants, oil & gas, pharmaceuticals, and other industries requiring intrinsic safety for field devices in Zone 0, 1, 2 (gas) or Zone 20, 21, 22 (dust) environments.