PRODUCT DESCRIPTION
PEPPERL & FUCHS 304228 - K-System Intrinsic Safety Barrier - Repeater Power Supply
The PEPPERL & FUCHS 304228 is a single-channel K-System intrinsic safety barrier, functioning as a repeater power supply and signal conditioner. It provides galvanic isolation between hazardous and safe areas, enabling the connection of NAMUR proximity sensors or mechanical contacts to control systems. This module ensures reliable signal transmission and continuous line fault detection for critical process automation applications in classified hazardous environments.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsic Safety Barrier, Repeater Power Supply, Signal Conditioner
- ELECTRICAL SPECS: 20-35 VDC Supply Voltage, <= 1.5 W Power Consumption, 1 Changeover Relay Output (SPDT) with 250 VAC / 2 A / 500 VA or 125 VDC / 2 A / 60 W Switching Capacity
- INTERFACE/CONTROL: Input for NAMUR Sensors (EN 60947-5-6) or Mechanical Contacts, Relay Output for Safe Area Control Systems, Line Fault Detection (Wire Break, Short Circuit)
- PERFORMANCE: Response Time <= 20 ms, Switching Frequency 0 to 5 kHz
- ENVIRONMENTAL/MOUNTING: 35 mm DIN Rail Mounting, IP20 Protection, -20 to +60 °C Operating Temperature
- SAFETY/COMPLIANCE: Galvanic Isolation, Certified for Hazardous Area Applications (e.g., ATEX, IECEx), Safety Integrity Level (SIL) 2 according to IEC 61508
- COMPATIBILITY/APPLICATION: Integration with PLCs, DCS, and Safety Instrumented Systems for monitoring field devices in chemical, petrochemical, and pharmaceutical industries