PRODUCT DESCRIPTION
PEPPERL & FUCHS 806131 - KFD2-SR2-EX1.W Switch Amplifier
The PEPPERL & FUCHS 806131, a KFD2-SR2-EX1.W, is a two-channel switch amplifier from the K-System isolated barrier series, engineered for intrinsic safety applications. It provides galvanic isolation between hazardous and safe areas, enabling the reliable operation of NAMUR sensors and mechanical contacts in explosive atmospheres. This module ensures signal integrity and safety compliance for critical process control systems.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Switch Amplifier / Isolated Barrier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC
- POWER CONSUMPTION: 1.5W (typical)
- INPUT CHANNELS: 2 (for NAMUR sensors or mechanical contacts)
- OUTPUT CHANNELS: 2 (relay outputs, SPDT, normally open/closed configurable)
- INTERFACE/CONTROL:
- INPUT CIRCUIT: Intrinsically safe, suitable for Zone 0, 1, 2 (gas) and Zone 20, 21, 22 (dust)
- OUTPUT CIRCUIT: Non-intrinsically safe relay contacts
- FAULT DETECTION: Line fault detection (LFD) for open/short circuit in field wiring
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals), IP40 (housing)
- MOUNTING STYLE: 35 mm DIN rail mount
- OPERATING TEMPERATURE: -20 to +60 °C (-4 to +140 °F)
- COMPATIBILITY/APPLICATION:
- HAZARDOUS AREA APPROVALS: ATEX, IECEx, FM, cULus
- INPUT DEVICE COMPATIBILITY: NAMUR proximity sensors (EN 60947-5-6), potential-free contacts
- SAFETY INTEGRITY LEVEL: Up to SIL 2 (IEC 61508)
- TARGET SYSTEMS: Process automation, chemical, oil & gas, pharmaceutical industries