PRODUCT DESCRIPTION
PEPPERL & FUCHS 240004100014 - KFD2-SR2-EX1.W Intrinsically Safe Switch Amplifier
The PEPPERL & FUCHS KFD2-SR2-EX1.W is a K-System series intrinsically safe switch amplifier engineered for reliable signal conditioning from NAMUR sensors or mechanical contacts located in hazardous areas. It provides galvanic isolation, line fault detection, and two potential-free relay outputs, ensuring robust interface integrity for process control and safety instrumented systems.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsically Safe Switch Amplifier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC
- INPUT: 1-channel, intrinsically safe, for NAMUR sensors (EN 60947-5-6) or mechanical contacts
- OUTPUT: 2 x Relay outputs, potential-free changeover contacts
- OUTPUT RATING: 250VAC/2A or 30VDC/2A (resistive load)
- POWER CONSUMPTION: 1.5W typical
- INTERFACE/CONTROL:
- INPUT SIGNAL: NAMUR proximity switch or potential-free contact
- OUTPUT SIGNAL: Potential-free relay contacts for safe area loads
- DIAGNOSTICS: Line fault detection (LFD) for open and short circuits, configurable
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35mm DIN rail, control cabinet installation
- OPERATING TEMPERATURE: -20 to +60 °C
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, UL, cUL (Ex ia IIC/IIB)
- COMPATIBILITY/APPLICATION:
- APPLICATION: Signal conditioning for intrinsically safe circuits in hazardous locations (Zone 0, 1, 2)
- SENSOR COMPATIBILITY: NAMUR sensors, mechanical contacts
- SYSTEM INTEGRATION: Interfaces with PLCs, DCS, and Safety Instrumented Systems (SIS)
- SAFETY INTEGRITY LEVEL: Up to SIL 2 (IEC 61508)