PRODUCT DESCRIPTION
PEPPERL & FUCHS 104094 - K-System Intrinsic Safety Barrier for NAMUR Sensors
This K-System intrinsic safety barrier provides galvanic isolation and signal conditioning for NAMUR proximity sensors or mechanical contacts located in hazardous areas. It converts the sensor input into a safe, isolated relay output for control systems in the non-hazardous area, featuring line fault detection for enhanced system integrity. The device is engineered for reliable operation in process automation applications requiring intrinsically safe circuits.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsic Safety Barrier / NAMUR Signal Conditioner
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC (Nominal 24V DC)
- POWER CONSUMPTION: <= 1.5 W
- OUTPUT CONTACT RATING: 250V AC / 2A or 30V DC / 2A (Resistive Load)
- MECHANICAL/PHYSICAL:
- MOUNTING: 35mm DIN Rail
- DIMENSIONS: 12.5 mm width (Standard K-System Housing)
- INTERFACE/CONTROL:
- INPUT TYPE: NAMUR Proximity Sensor (EN 60947-5-6) or Mechanical Contact
- OUTPUT TYPE: 1 x SPDT (Changeover) Relay Contact
- FUNCTIONALITY: Line Fault Detection (wire break, short circuit), selectable operating mode (normally open/closed)
- INDICATORS: LEDs for Power, Switching State, Fault
- ENVIRONMENTAL/MOUNTING:
- ENCLOSURE RATING: IP20
- OPERATING TEMPERATURE: -20 to +60 °C
- HAZARDOUS AREA CERTIFICATION: [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I (ATEX, IECEx compliant)
- COMPATIBILITY/APPLICATION:
- SAFETY INTEGRITY LEVEL: SIL 2 (according to IEC/EN 61508)
- TARGET APPLICATIONS: Process automation, chemical plants, oil & gas, pharmaceuticals, water/wastewater treatment, for intrinsically safe signal transmission from hazardous to non-hazardous areas.