PRODUCT DESCRIPTION
PEPPERL & FUCHS 2408050002 - K-System Intrinsic Safety Barrier, Switch Repeater
This K-System intrinsic safety barrier, identified as KFD2-SR2-EX1.W.SM, provides galvanic isolation and signal conditioning for the safe operation of field devices located in hazardous areas. It is engineered to interface NAMUR proximity sensors or potential-free contacts from Zone 0/1/2 with control systems in the safe area, ensuring compliance with intrinsic safety standards for process automation applications.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsic Safety Barrier, Switch Repeater
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35 VDC
- POWER CONSUMPTION: 1.5 W per channel (typical)
- INPUT: 2-channel, for NAMUR sensors or potential-free contacts
- OUTPUT: 2-channel, relay output (changeover contact)
- SAFETY RATING: Ex ia IIC T4/T6 Ga/Gb (for hazardous area applications)
- ISOLATION: Galvanic isolation between input, output, and power supply
- PERFORMANCE: Response time < 10 ms
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- OPERATING TEMPERATURE: -20 °C to +60 °C
- MOUNTING STYLE: 35 mm DIN rail mount
- COMPATIBILITY/APPLICATION:
- HAZARDOUS AREA CLASSIFICATION: Zone 0, 1, 2 (gas) Zone 20, 21, 22 (dust) with appropriate sensors
- FIELD DEVICES: NAMUR proximity sensors, mechanical switches, pushbuttons
- CONTROL SYSTEMS: PLCs, DCS, Safety Instrumented Systems (up to SIL 2 per IEC 61508)