PRODUCT DESCRIPTION
PEPPERL & FUCHS 2407910002 - KFD2-SR2-EX1.W Safety Relay Output Barrier
This K-System safety relay output barrier, identified as KFD2-SR2-EX1.W, provides galvanic isolation and intrinsic safety for controlling loads in hazardous areas from a safe area. It is engineered for critical process control applications requiring reliable signal transmission and compliance with explosion protection standards. The module features two independent channels, ensuring robust operation in safety instrumented systems.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Safety Relay Output Barrier / Signal Conditioner
- ELECTRICAL SPECS:
- POWER SUPPLY: Wide range 20-90 VDC / 48-253 VAC
- INPUT: Digital input from safe area control system (e.g., PLC output)
- OUTPUT: Two independent potential-free changeover contacts (SPDT)
- SWITCHING CAPACITY: Up to 250 VAC / 2 A (resistive load) per channel
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact DIN rail mountable module
- TERMINATION: Screw terminals
- INTERFACE/CONTROL:
- FUNCTION: Switches intrinsically safe circuits or loads in hazardous areas
- INDICATION: LED status indicators for power, input, and fault conditions
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (for control cabinet installation)
- MOUNTING: 35 mm DIN rail
- OPERATING TEMPERATURE: -20 °C to +60 °C
- EXPLOSION PROTECTION: ATEX, IECEx certified for intrinsically safe circuits (Ex ia IIC, Ex ib IIC)
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Process control systems, safety instrumented systems (SIS), emergency shutdown (ESD) systems
- APPLICATIONS: Interfacing digital outputs from safe area PLCs/DCS to control solenoids, alarms, or other loads in hazardous areas (Zone 0, 1, 2). Suitable for applications requiring up to SIL 2/3 (depending on system architecture).