PRODUCT DESCRIPTION
PEPPERL & FUCHS 2407780014 - KFD2-SR2-EX1.W.LB Intrinsically Safe Switch Amplifier
This K-System intrinsically safe switch amplifier provides galvanic isolation and signal conditioning for two independent channels, interfacing NAMUR sensors or mechanical contacts located in hazardous areas with safe area control systems. It features line fault detection and two SPDT relay outputs, ensuring reliable and compliant operation in process automation applications requiring ATEX and IECEx certification.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsically Safe Switch Amplifier
- CHANNELS: 2
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC
- POWER CONSUMPTION: <= 1.5W at 24V DC
- INPUT TYPE: Intrinsically safe input for NAMUR proximity switches (EN 60947-5-6) or potential-free contacts
- OUTPUT TYPE: 2x SPDT (Single Pole Double Throw) Relay Contacts
- SWITCHING CAPACITY: 250V AC / 2A / 500VA 125V DC / 2A / 60W (resistive load)
- INTERFACE/CONTROL:
- FAULT DETECTION: Line fault detection (wire break, short circuit)
- INDICATORS: LEDs for switching state and fault indication
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- OPERATING TEMPERATURE: -20°C to +60°C (-4°F to +140°F)
- MOUNTING: 35mm DIN rail
- COMPATIBILITY/APPLICATION:
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, UL, cULus, EAC, KCC, NEPSI (for Zone 0, 1, 2, 20, 21, 22 applications)
- SAFETY INTEGRITY LEVEL (SIL): Up to SIL 2 (IEC 61508/61511)
- TARGET APPLICATIONS: Process control, chemical plants, oil & gas, pharmaceuticals, water/wastewater treatment, where intrinsically safe signal isolation is required.