PRODUCT DESCRIPTION
PEPPERL & FUCHS 215089 - Intrinsically Safe Switch Amplifier
This is an intrinsically safe switch amplifier from the PEPPERL & FUCHS K-System KFD2 series, engineered for reliable signal conditioning and galvanic isolation between hazardous area field devices and safe area control systems. It provides two independent channels for connecting NAMUR proximity sensors or mechanical contacts, ensuring robust line fault detection and driving potential-free relay outputs for process control and safety applications.
Technical Specifications:
- SERIES/FAMILY: K-System, KFD2-SR2-EX1.W
- COMPONENT TYPE: Intrinsically Safe Switch Amplifier / Safety Relay
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC
- INPUT: 2 channels for NAMUR sensors (EN 60947-5-6) or dry contacts from hazardous area
- OUTPUT: 2 potential-free changeover relays (SPDT)
- OUTPUT SWITCHING CAPACITY: 250VAC / 2A (resistive), 30VDC / 2A (resistive)
- INTERFACE/CONTROL:
- SIGNAL INPUT: NAMUR sensor or mechanical contact
- SIGNAL OUTPUT: Relay contact
- FAULT DETECTION: Line fault detection (short circuit, wire break) for input circuit
- SWITCHING HYSTERESIS: 5% of input current
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35mm DIN rail
- OPERATING TEMPERATURE: -20°C to +60°C (-4°F to +140°F)
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, UL, FM (for Zone 0, 1, 2 applications)
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), Emergency Shutdown (ESD) systems
- APPLICATIONS: Interfacing intrinsically safe field devices in hazardous areas with safe area control systems, process automation, safety instrumented systems
- SAFETY INTEGRITY LEVEL: Suitable for applications up to SIL2 (IEC 61508/61511)