ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS KFD2-SR2-EX1.W - Intrinsic Safety Barrier Switch Amplifier
The KFD2-SR2-EX1.W is a two-channel intrinsic safety barrier from the K-System series, designed to interface NAMUR proximity sensors or mechanical contacts located in hazardous areas with control systems in the safe area. It provides galvanic isolation and signal conditioning, ensuring reliable operation and compliance with intrinsic safety standards for explosion protection.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Switch Amplifier / Intrinsic Safety Barrier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35VDC (Nominal 24VDC)
- POWER CONSUMPTION: Approximately 1.5W
- INPUT: 2-channel for NAMUR sensors (EN 60947-5-6) or dry contacts
- OUTPUT: 2-channel relay output, 2 changeover contacts per channel
- SWITCHING CAPACITY: Max. 250VAC/2A or 125VDC/2A
- INTERFACE/CONTROL:
- SIGNAL INPUT: NAMUR sensor or mechanical contact from hazardous area
- SIGNAL OUTPUT: Potential-free relay contacts to safe area
- FAULT INDICATION: Line fault detection (wire break, short circuit)
- SWITCHING FUNCTION: Selectable NO/NC (normally open/normally closed) operation
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35mm DIN rail
- OPERATING TEMPERATURE: -20 to +60 °C
- EXPLOSION PROTECTION: ATEX, IECEx, FM, cULus certified for intrinsic safety
- COMPATIBILITY/APPLICATION:
- APPLICATION: Interfacing sensors/switches in Zone 0, 1, 2 hazardous areas with safe area control systems
- SENSOR TYPES: NAMUR proximity switches, mechanical contacts, optocouplers
- SAFETY INTEGRITY LEVEL: Up to SIL 2 (IEC 61508/IEC 61511)
