PRODUCT DESCRIPTION
PEPPERL & FUCHS 203635 - KFD2-SR2-EX1.W.SM Intrinsic Safety Barrier / Switch Amplifier
This intrinsic safety barrier, part of the K-System series, provides galvanic isolation and signal conditioning for operating NAMUR sensors or dry contacts located in hazardous areas. It features two independent channels with relay outputs for safe area control systems, incorporating line fault detection for enhanced system integrity in process automation and safety instrumented applications.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsic Safety Barrier / Switch Amplifier
- MODEL DESIGNATION: KFD2-SR2-EX1.W.SM
- CHANNELS: Two (2) independent channels
- INPUT TYPE: NAMUR proximity sensors or dry contacts from hazardous area
- OUTPUT TYPE: Two (2) normally open (NO) relay outputs
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC
- POWER CONSUMPTION: 1.5W typical
- SWITCHING CAPACITY: 250VAC / 2A (resistive), 125VDC / 2A (resistive)
- RESPONSE TIME: Less than 10 ms
- FAULT DETECTION: Line fault detection (LFD) for open and short circuit conditions
- SAFETY INTEGRITY: Certified up to SIL 2 (IEC 61508/61511)
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, cULus, FM
- ENVIRONMENTAL/MOUNTING:
- MOUNTING: 35mm DIN rail
- PROTECTION RATING: IP20
- OPERATING TEMPERATURE: -20°C to +60°C (-4°F to +140°F)
- INTERFACE/CONTROL: Screw terminals for field wiring
- COMPATIBILITY/APPLICATION: Process control systems, emergency shutdown systems, chemical plants, oil & gas facilities, pharmaceutical manufacturing