PRODUCT DESCRIPTION
PEPPERL & FUCHS 240778100007 - K-System Intrinsic Safety Barrier, Switch Repeater
The PEPPERL & FUCHS 240778100007 is a K-System intrinsic safety barrier designed for galvanic isolation and signal conditioning of discrete inputs from hazardous areas. This 2-channel switch repeater module ensures safe operation of field devices in Ex ia IIC environments by limiting energy transfer, while providing line fault detection and relay outputs to the safe area control system. It is engineered for critical process automation applications in industries such as chemical processing, oil and gas, and pharmaceuticals.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2-SR2-EX1.W.LB)
- COMPONENT TYPE: Intrinsic Safety Barrier, Switch Repeater
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35VDC (Wide Range)
- INPUT: 2-channel, for NAMUR sensors or dry contacts from hazardous area
- OUTPUT: 2-channel, SPDT relay outputs to safe area
- POWER CONSUMPTION: Typically <1.5W
- INTERFACE/CONTROL:
- SIGNAL TYPE: Discrete (ON/OFF)
- DIAGNOSTICS: Line fault detection (LFD) for open and short circuit
- ISOLATION: Galvanic isolation between input, output, and power supply
- ENVIRONMENTAL/MOUNTING:
- HAZARDOUS AREA CERTIFICATION: Ex ia IIC T4/T6 (Zone 0, 1, 2)
- IP RATING: IP20
- MOUNTING: 35mm DIN-rail mount
- OPERATING TEMPERATURE: -20 to +60 °C
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), Safety Instrumented Systems (SIS)
- FIELD DEVICES: NAMUR proximity switches, mechanical contacts, pushbuttons in hazardous areas
- INDUSTRIES: Chemical, Petrochemical, Oil & Gas, Pharmaceutical, Water/Wastewater