ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 315193 - KFD2 Series Intrinsic Safety Switch Amplifier
This KFD2 series intrinsic safety barrier functions as a two-channel switch amplifier, designed for interfacing NAMUR sensors or mechanical contacts located in hazardous areas with control systems in safe areas. It provides galvanic isolation, line fault detection, and relay outputs, ensuring reliable signal transmission and compliance with stringent safety integrity levels for process automation applications.
Technical Specifications:
- SERIES/FAMILY: K-System, KFD2 Series
- COMPONENT TYPE: Switch Amplifier / Intrinsic Safety Barrier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC
- INPUT: 2-channel for NAMUR sensors or mechanical contacts (hazardous area)
- OUTPUT: 2-channel relay output, 2 normally open (NO) contacts per channel (safe area)
- SWITCHING CAPACITY: 250 VAC / 2 A / cos phi > 0.7 40 VDC / 2 A resistive
- INTERFACE/CONTROL:
- INPUT SIGNAL TYPE: NAMUR proximity sensors, mechanical contacts
- OUTPUT SIGNAL TYPE: Potential-free relay contacts
- DIAGNOSTICS: Line fault detection (LFD) for open and short circuits
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35 mm DIN rail
- OPERATING TEMPERATURE: -20 to +60 °C
- COMPATIBILITY/APPLICATION:
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, cULus for Zone 0, 1, 2 (gas) Zone 20, 21, 22 (dust)
- SAFETY CERTIFICATION: Safety Integrity Level (SIL) 2 according to IEC 61508/IEC 61511
- APPLICATIONS: Process control, chemical plants, oil & gas, pharmaceuticals, interfacing field devices in hazardous locations with safe area control systems
