PRODUCT DESCRIPTION
PEPPERL & FUCHS 231194 - KFD2-SR2-EX1.W.SM Intrinsically Safe Switch Amplifier
PEPPERL & FUCHS 231194 is an intrinsically safe switch amplifier from the K-System KFD2 series, engineered for reliable signal conditioning and galvanic isolation in hazardous area applications. It provides a single-channel interface for NAMUR proximity sensors or potential-free contacts, converting the input signal into a safe relay output for control systems. This module is designed for integration into Safety Instrumented Systems (SIS) up to SIL 2, ensuring process safety and operational integrity.
Technical Specifications:
- SERIES/FAMILY: K-System, KFD2-SR2-EX1.W.SM
- COMPONENT TYPE: Intrinsically Safe Switch Amplifier / Safety Relay
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35 VDC
- POWER CONSUMPTION: 1.5 W (typical)
- INPUT: 1-channel for NAMUR sensors (EN 60947-5-6) or potential-free contacts
- OUTPUT: 1 x Changeover relay contact (SPDT)
- SWITCHING CAPACITY: 250 VAC / 2 A (resistive load)
- INTERFACE/CONTROL:
- SIGNAL INPUT: Intrinsically safe circuit for hazardous area devices
- DIAGNOSTICS: Line fault detection (LFD) for open/short circuit in field wiring
- INDICATORS: LEDs for operation, switching status, and fault
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35 mm DIN rail mount
- OPERATING TEMPERATURE: -20 to +60 degrees Celsius
- TERMINALS: Screw terminals
- COMPATIBILITY/APPLICATION:
- HAZARDOUS AREA CLASSIFICATION: ATEX, IECEx certified for Zone 0, 1, 2 (gas) and Zone 20, 21, 22 (dust)
- SAFETY INTEGRITY LEVEL: Up to SIL 2 (IEC 61508/61511)
- TARGET SYSTEMS: Process automation, chemical plants, oil & gas, pharmaceuticals, safety instrumented systems