PRODUCT DESCRIPTION
PEPPERL & FUCHS 217564 - K-System Intrinsic Safety Barrier (Switch Amplifier)
The PEPPERL & FUCHS KFD2-SR2-EX1.W, identified by part number 217564, is a K-System intrinsic safety barrier functioning as a dual-channel switch amplifier and repeater power supply. It provides galvanic isolation and signal conditioning for connecting hazardous area field devices, such as NAMUR proximity sensors and mechanical contacts, to safe area control systems, ensuring compliance with intrinsic safety standards for discrete signal transmission.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsic Safety Barrier, Dual-Channel Switch Amplifier / Repeater Power Supply
- ELECTRICAL SPECS: 20-35 VDC (24 VDC nominal) Supply Voltage Approximately 1.5 W per channel Power Consumption
- MECHANICAL/PHYSICAL: Compact DIN-rail mount enclosure Screw terminals 20 mm width
- INPUT SPECIFICATIONS: Two channels for NAMUR proximity sensors or dry contacts Line fault detection for wire break and short circuit
- OUTPUT SPECIFICATIONS: Two channels, each with two normally open (NO) relay contacts 250 VAC / 2 A or 30 VDC / 2 A Switching Capacity (resistive load)
- INTERFACE/CONTROL: LEDs for operation, switching state, and fault conditions Galvanic isolation between input, output, and power supply
- ENVIRONMENTAL/MOUNTING: IP20 Protection -20°C to +60°C Operating Temperature 35mm DIN rail mounting
- COMPATIBILITY/APPLICATION: Designed for PLCs, DCS, and SIS in hazardous areas ATEX, IECEx, UL, FM certified for intrinsic safety applications up to SIL 2/3