PRODUCT DESCRIPTION
PEPPERL & FUCHS 326161-0091 - K-System Intrinsic Safety Barrier - Switch Amplifier
This K-System intrinsic safety barrier is a two-channel switch amplifier designed for reliable signal conditioning and galvanic isolation between hazardous and safe areas. It facilitates the connection of NAMUR proximity sensors or mechanical contacts located in hazardous environments to control systems in the safe area, ensuring compliance with intrinsic safety standards and providing robust line fault detection.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2-SR2-EX1.W.SM)
- COMPONENT TYPE: Intrinsic Safety Barrier - Switch Amplifier
- ELECTRICAL SPECS: 20-35VDC Supply Voltage, 2-Channel Input, 2-Channel Relay Output
- INPUT TYPE: NAMUR Proximity Sensors or Potential-Free Contacts
- OUTPUT TYPE: Two Potential-Free Changeover Relay Contacts
- SWITCHING CAPACITY: 250VAC / 2A (cos phi > 0.7) or 30VDC / 2A (resistive load)
- SAFETY INTEGRITY: Up to SIL 2 (IEC 61508)
- HAZARDOUS AREA CERTIFICATION: [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
- INTERFACE/CONTROL: Integrated Line Fault Detection (wire break, short circuit)
- ENVIRONMENTAL/MOUNTING: DIN Rail Mountable, IP20 Enclosure, -20 to +60 °C Operating Temperature
- CONNECTION: Screw Terminals
- COMPATIBILITY/APPLICATION: Process automation, chemical plants, oil and gas, pharmaceutical industries for connecting field devices in Zone 0, 1, 2, 20, 21, 22 to PLC/DCS systems.