PRODUCT DESCRIPTION
PEPPERL & FUCHS 282939 - Intrinsic Safety Barrier, Switch Amplifier
This K-System intrinsic safety barrier, identified as KFD2-SR2-EX1.W, provides galvanic isolation and signal conditioning for two channels from hazardous areas. It is engineered to interface NAMUR proximity sensors or dry contacts with control systems in safe areas, ensuring compliance with international safety standards for process automation and safety instrumented systems.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2-SR2-EX1.W)
- COMPONENT TYPE: Intrinsic Safety Barrier, 2-Channel Switch Amplifier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35VDC
- POWER CONSUMPTION: 1.5W (typical)
- INPUT: 2 channels for NAMUR proximity sensors or dry contacts
- OUTPUT: 2 normally open (NO) relay outputs
- INTERFACE/CONTROL:
- SIGNAL TYPE: NAMUR (EN 60947-5-6) or dry contact
- FAULT DETECTION: Line fault detection (LFD) for open and short circuits
- SAFETY INTEGRITY: Up to SIL 2 (IEC 61508)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- OPERATING TEMPERATURE: -20 °C to +60 °C
- MOUNTING STYLE: 35mm DIN rail
- HAZARDOUS AREA CERTIFICATION: [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex nA nC II T4 Gc]
- COMPATIBILITY/APPLICATION:
- SENSOR COMPATIBILITY: NAMUR sensors, mechanical contacts
- SYSTEM INTEGRATION: DCS, PLC, ESD systems
- HAZARDOUS AREA CLASSIFICATION: Suitable for applications in Zone 0, 1, 2 (input side) and Zone 2 (output side, or non-hazardous)