ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 456902 - K-System Intrinsically Safe Switch Amplifier
The PEPPERL & FUCHS 456902, identified as the KFD2-SR2-EX1.W, is a K-System series intrinsically safe switch amplifier designed for reliable signal conditioning and galvanic isolation between hazardous and safe areas. This module facilitates the connection of NAMUR proximity sensors or dry contacts located in Zone 0, 1, or 2, providing isolated relay outputs to the control system. It ensures robust operation and compliance with international explosion protection standards in critical process automation environments.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsically Safe Switch Amplifier / Isolation Barrier
- ELECTRICAL SPECS: 20-35VDC Supply Voltage, 2.5W Power Consumption, 2 x SPDT Relay Outputs (250VAC/2A or 125VDC/0.2A resistive)
- MECHANICAL/PHYSICAL: DIN Rail Mountable Module, Standard K-System Housing
- INTERFACE/CONTROL: 2-Channel Input for NAMUR Proximity Sensors (EN 60947-5-6) or Dry Contacts, Line Fault Detection (LFD) for open/short circuit
- ENVIRONMENTAL/MOUNTING: IP20 Protection Rating, 35mm DIN Rail Mounting, -20 to +60 °C Operating Temperature, ATEX/IECEx/FM/cULus Certified for Hazardous Areas (e.g., Ex ia IIC T4 Ga)
- COMPATIBILITY/APPLICATION: Process Control Systems (PLC, DCS, SIS), Chemical Plants, Oil & Gas, Pharmaceuticals, Food & Beverage, Water/Wastewater Treatment, and other industries requiring intrinsically safe interfacing for field devices in explosive atmospheres