PRODUCT DESCRIPTION
PEPPERL & FUCHS 2407980003 - Single-Channel Isolated Barrier Switch Amplifier
This device is a single-channel isolated barrier switch amplifier from the K-System series, engineered for the safe operation of NAMUR proximity sensors or mechanical contacts located in hazardous areas. It provides galvanic isolation between the hazardous and safe areas, converting input signals into a potential-free relay contact output for control systems. Designed for DIN rail mounting within control cabinets, it ensures intrinsic safety and reliable signal transmission in critical process automation applications.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Isolated Barrier Switch Amplifier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC
- INPUT: NAMUR proximity sensor (EN 60947-5-6) or mechanical contact
- OUTPUT: 1 x Relay (changeover contact), typically rated 250VAC/2A or 30VDC/2A
- INTERFACE/CONTROL:
- INPUT SIGNAL: NAMUR sensor or dry contact
- OUTPUT SIGNAL: Potential-free relay contact
- FAULT DETECTION: Line fault detection (LFD) for open/short circuit on sensor input
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35mm DIN rail mounting
- OPERATING TEMPERATURE: -20 °C to +60 °C
- SAFETY/COMPLIANCE:
- HAZARDOUS AREA APPROVALS: ATEX, IECEx, FM, cULus for Zone 0/1/2, Division 1/2 applications
- SAFETY INTEGRITY LEVEL (SIL): Up to SIL 2 (IEC 61508)
- ISOLATION: Galvanic isolation between input, output, and power supply
- COMPATIBILITY/APPLICATION: Process control systems, emergency shutdown systems (ESD), fire and gas systems (F&G) requiring intrinsically safe signal conditioning from field devices in hazardous locations.