ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 301179 - KFD2-SR2-EX1.W Intrinsic Safety Barrier
The PEPPERL & FUCHS 301179 is a KFD2-SR2-EX1.W intrinsic safety barrier from the K-System family, engineered for reliable signal conditioning and galvanic isolation between hazardous and safe areas. It provides two intrinsically safe circuits for NAMUR proximity sensors or mechanical contacts, ensuring explosion protection in process automation applications within Zone 0, 1, and 2 environments.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2 Series)
- COMPONENT TYPE: Dual-Channel Intrinsic Safety Barrier / Switch Amplifier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC
- POWER CONSUMPTION: 1.5W (at 24V DC)
- INPUT TYPE: Two channels for NAMUR proximity sensors (EN 60947-5-6) or mechanical contacts
- OUTPUT TYPE: Two independent relay outputs, changeover contacts (SPDT)
- SWITCHING CAPACITY: 250VAC/2A or 30VDC/2A (resistive load)
- INTERFACE/CONTROL:
- FUNCTION: Switch amplifier with line fault detection (open and short circuit)
- RESPONSE TIME: Approximately 10 ms
- SWITCHING FREQUENCY: 0 to 5 kHz
- ISOLATION: Galvanic isolation between input, output, and power supply
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- OPERATING TEMPERATURE: -20 to +60 °C
- MOUNTING: 35 mm DIN rail
- DIMENSIONS: 20 mm width, compact housing
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, UL (specific certifications vary by model revision)
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Process control systems, Distributed Control Systems (DCS), Programmable Logic Controllers (PLC)
- SENSOR COMPATIBILITY: NAMUR sensors, dry contacts, mechanical switches
- APPLICATION: Level, position, flow, and limit monitoring in hazardous locations requiring intrinsic safety
