PRODUCT DESCRIPTION
PEPPERL & FUCHS 086587 - K-System Intrinsic Safety Barrier, Switch Repeater
This K-System intrinsic safety barrier provides two channels of signal conditioning and galvanic isolation for discrete signals originating from hazardous areas. It functions as a switch repeater, enabling the connection of NAMUR sensors or mechanical contacts to safe area control systems while ensuring intrinsic safety protection. The module integrates line fault detection and utilizes spring terminals for secure and reliable industrial deployment in explosive atmospheres.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsic Safety Barrier, Switch Repeater, 2-Channel
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35 VDC
- POWER CONSUMPTION: <= 2.5 W
- HAZARDOUS AREA INPUT: 8.2 VDC Nominal Voltage, approx. 8 mA Short-Circuit Current, approx. 10.5 VDC Open-Circuit Voltage
- SAFE AREA OUTPUT: 2x Relay Changeover Contacts, 250 VAC / 125 VDC Switching Voltage, 2 A AC / 2 A DC Switching Current, 500 VA AC / 60 W DC Switching Power
- INTERFACE/CONTROL:
- INPUT TYPE: Compatible with NAMUR Sensors (EN 60947-5-6) or Dry Contacts
- OUTPUT TYPE: Potential-Free Relay Contacts
- DIAGNOSTICS: Line Fault Detection (LFD) for short circuit and wire break
- INDICATION: LEDs for Operation, Switching State, and Fault
- RESPONSE TIME: < 10 ms
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35 mm DIN Rail
- OPERATING TEMPERATURE: -20 °C to +60 °C
- HAZARDOUS AREA CERTIFICATION: [Ex ia IIC T4 Ga] (for connected field devices)
- COMPATIBILITY/APPLICATION:
- COMPATIBILITY: NAMUR proximity switches, mechanical contacts, pushbuttons
- APPLICATION: Signal conditioning and galvanic isolation for discrete signals from Zone 0, 1, 2 hazardous areas to safe area control systems (PLC, DCS) in process control, chemical, oil & gas, and pharmaceutical industries.