ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 906297 - KFD2-SR2-EX1.W.SM Safety Relay Switch Amplifier
The KFD2-SR2-EX1.W.SM is a two-channel switch amplifier from the K-System series, designed to provide intrinsic safety barriers for signals originating in hazardous areas. It conditions signals from NAMUR proximity switches or dry contacts, converting them into isolated relay outputs for safe area control systems, ensuring functional safety in process automation applications.
Technical Specifications:
- SERIES/FAMILY: K-System, KFD2 Series
- COMPONENT TYPE: Switch Amplifier, Intrinsic Safety Barrier
- ELECTRICAL SPECS: 20-35VDC Supply Voltage, 250VAC/DC 2A Max Switching Capacity (Resistive Load)
- INTERFACE/CONTROL: Two independent input channels for NAMUR sensors (EN 60947-5-6) or dry contacts, Two isolated relay outputs (changeover contacts)
- SAFETY RATING: Certified for Functional Safety up to SIL 2 (IEC/EN 61508) and Performance Level c (EN ISO 13849-1)
- DIAGNOSTICS: Selectable Line Fault Detection (LFD) for open or short circuits on input lines
- ENVIRONMENTAL/MOUNTING: IP20 Protection, -20 to +60 °C Operating Temperature, DIN Rail Mounting, Screw Terminals
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, FM, cULus for installation in Zone 0, 1, 2 and Division 1, 2
- COMPATIBILITY/APPLICATION: Process control systems, emergency shutdown systems (ESD), fire and gas systems (F&G), chemical plants, oil & gas facilities