PRODUCT DESCRIPTION
PEPPERL & FUCHS 241466 - Intrinsic Safety Barrier, Switch Repeater
The PEPPERL & FUCHS 241466 is a K-System intrinsic safety barrier designed for galvanic isolation and signal conditioning between hazardous and safe areas. It functions as a two-channel switch repeater, enabling the connection of NAMUR sensors or mechanical contacts located in hazardous environments to control systems in non-hazardous zones. This module provides reliable signal transmission and line fault detection, critical for process automation and safety instrumented systems.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2-SR2-EX1.W)
- COMPONENT TYPE: Intrinsic Safety Barrier, Switch Repeater
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC (Nominal 24V DC)
- POWER CONSUMPTION: 1.5W per channel (maximum)
- INPUT: 2x NAMUR sensor (EN 60947-5-6) or potential-free contact
- OUTPUT: 2x Potential-free relay changeover contact (SPDT)
- SWITCHING CAPACITY: 250V AC / 2A / 500VA 125V DC / 2A / 60W (resistive load)
- INTERFACE/CONTROL:
- SIGNAL TYPE: Digital input to relay output
- DIAGNOSTICS: Line fault detection (open/short circuit)
- ISOLATION: Galvanic isolation between input, output, and power supply
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35mm DIN rail
- OPERATING TEMPERATURE: -20 to +60 °C
- COOLING: Natural convection
- COMPATIBILITY/APPLICATION:
- HAZARDOUS AREA CLASSIFICATION: ATEX, IECEx, FM, cULus certified for Zone 0, 1, 2 (gas) and Zone 20, 21, 22 (dust)
- SAFETY INTEGRITY LEVEL: Up to SIL 2/3 (IEC 61508)
- TARGET SYSTEMS: Process control systems, PLCs, DCS, Safety Instrumented Systems (SIS)
- FUNCTION: Interfacing sensors and switches in hazardous areas with safe area control equipment