ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 308443 - KFD2-SR2-EX1.W.SM Switch Amplifier Safety Relay
This K-System series intrinsically safe switch amplifier provides galvanic isolation and signal conditioning for hazardous area applications. It is engineered to interface NAMUR sensors or mechanical contacts from Zone 0, 1, or 2 with control systems located in non-hazardous environments, ensuring robust functional safety and explosion protection in critical process automation.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2-SR2-EX1.W.SM)
- COMPONENT TYPE: Switch Amplifier, Intrinsically Safe Barrier, Safety Relay
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35VDC (24VDC nominal)
- POWER CONSUMPTION: < 1.5W
- INPUT: Intrinsically safe input for NAMUR sensors (EN 60947-5-6) or potential-free contacts
- OUTPUT: 2 potential-free relay contacts (normally open)
- SWITCHING CAPACITY: 250VAC/2A or 30VDC/2A (resistive load)
- INTERFACE/CONTROL:
- SAFETY INTEGRITY LEVEL (SIL): Up to SIL 2 (IEC 61508)
- PERFORMANCE LEVEL (PL): Up to PL d (EN ISO 13849-1)
- DIAGNOSTICS: Line fault detection (open/short circuit) for input
- ISOLATION: Galvanic isolation between input, output, and power supply
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- OPERATING TEMPERATURE: -20°C to +60°C
- MOUNTING: 35mm DIN rail
- EXPLOSION PROTECTION: ATEX, IECEx, FM, cULus certified for hazardous areas
- HAZARDOUS AREA CLASSIFICATION: [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ib Gb] IIB (for input circuit)
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Process control systems (DCS, PLC), Safety Instrumented Systems (SIS)
- APPLICATIONS: Chemical processing, oil and gas, pharmaceuticals, water treatment, power generation, and other industries requiring intrinsic safety for field devices in hazardous locations.
