PRODUCT DESCRIPTION
PEPPERL & FUCHS 018358 - KFD2-SR2-EX1.W Switch Amplifier
This intrinsic safety barrier, part of the K-System series, is a two-channel switch amplifier engineered for reliable signal conditioning and isolation from NAMUR proximity sensors or dry contacts situated in hazardous areas. It provides galvanically isolated relay outputs to control systems in the safe area, ensuring compliance with intrinsic safety standards for critical process control and safety instrumented systems up to SIL 2.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsic Safety Barrier / Switch Amplifier
- CHANNELS: 2
- INPUT TYPE: NAMUR proximity sensor or dry contact
- OUTPUT TYPE: Relay (2 changeover contacts)
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-90VDC / 48-253VAC (Wide Power Range)
- POWER CONSUMPTION: 1.5W at 24VDC
- SWITCHING CAPACITY: 250VAC / 2A (resistive load)
- HAZARDOUS AREA CERTIFICATION: Ex ia IIC (for input circuit)
- SAFETY INTEGRITY LEVEL (SIL): Up to SIL 2 (IEC 61508)
- INTERFACE/CONTROL: Screw terminals for input, output, and power connections
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING STYLE: 35mm DIN rail
- OPERATING TEMPERATURE: -20 to +60 °C (-4 to +140 °F)
- COMPATIBILITY/APPLICATION: Signal conditioning for hazardous area sensors, safety instrumented systems (SIS), process automation in chemical, oil & gas, and pharmaceutical industries.