ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 309027 - KFD2-SR2-EX1.W Intrinsic Safety Barrier Switch Amplifier
This K-System series intrinsic safety barrier provides galvanic isolation and signal conditioning for operating NAMUR sensors or mechanical contacts located in hazardous areas. It converts intrinsically safe input signals into a safe-area relay output, featuring line fault detection and robust protection for critical process automation applications.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2-SR2-EX1.W)
- COMPONENT TYPE: Intrinsic Safety Barrier, Switch Amplifier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC
- POWER CONSUMPTION: 1.5W (typical)
- INPUT: NAMUR sensor (EN 60947-5-6) or dry contact
- OUTPUT: 1 x Potential-free Changeover Relay (SPDT)
- SWITCHING CAPACITY: 250VAC / 2A or 30VDC / 2A
- SWITCHING FREQUENCY: Up to 5 kHz (NAMUR input)
- INTERFACE/CONTROL:
- SIGNAL INPUT: Intrinsically safe circuit for hazardous area devices
- SIGNAL OUTPUT: Relay contact for safe area control systems
- DIAGNOSTICS: Line fault detection (wire break, short circuit)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- OPERATING TEMPERATURE: -20 °C to +60 °C
- MOUNTING: 35 mm DIN rail
- HAZARDOUS AREA CERTIFICATION: Ex ia IIC T4 Ga/Gb (ATEX, IECEx, UL)
- COMPATIBILITY/APPLICATION:
- HAZARDOUS AREA CLASSIFICATION: Zone 0, 1, 2 (gas) Zone 20, 21, 22 (dust)
- SENSOR COMPATIBILITY: NAMUR proximity switches, mechanical contacts
- TARGET SYSTEMS: Process control, safety instrumented systems, distributed control systems, PLCs