ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 305274 - KFD2-SR2-EX1.W Safety Relay Output Isolated Barrier
The PEPPERL & FUCHS 305274, identified as the KFD2-SR2-EX1.W, is an intrinsically safe isolated barrier from the K-System series. It is engineered to interface switch contacts or NAMUR proximity sensors located in hazardous areas with control systems in safe areas, providing a galvanically isolated relay output for load control. This device ensures compliance with intrinsic safety standards for critical process control and safety instrumented systems.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Switch Amplifier, Isolated Barrier, Safety Relay Output
- ELECTRICAL SPECS:
- NOMINAL SUPPLY VOLTAGE: 24 VDC (19.2 VDC to 30 VDC)
- POWER CONSUMPTION: Approximately 1.5 W
- HAZARDOUS AREA INPUT: For NAMUR proximity switches or mechanical contacts
- SAFE AREA OUTPUT: 1 x Changeover Relay Contact (SPDT)
- RELAY SWITCHING CAPACITY: Max. 250 VAC / 2 A or 125 VDC / 2 A
- INTERFACE/CONTROL:
- INPUT SIGNAL TYPE: NAMUR sensor (EN 60947-5-6) or dry contact
- OUTPUT SIGNAL TYPE: Potential-free relay contact
- DIAGNOSTICS: Line fault detection (LFD) for open and short circuits in the hazardous area input loop
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING STYLE: 35 mm DIN rail mount
- OPERATING TEMPERATURE: -20 °C to +60 °C
- CERTIFICATIONS: ATEX, IECEx, UL, FM for intrinsic safety applications
- COMPATIBILITY/APPLICATION:
- FUNCTION: Intrinsic safety interface for sensors in Zone 0, 1, 2 (hazardous areas)
- TARGET SYSTEMS: PLC, DCS, Safety Instrumented Systems (SIS)
- TYPICAL APPLICATIONS: Process industries including chemical, petrochemical, oil & gas, and pharmaceutical sectors for monitoring and control of field devices.
