ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS KFD2-SR2-EX1.W - Intrinsic Safety Switch Repeater Barrier
This K-System intrinsic safety barrier provides galvanic isolation and signal conditioning for two-channel switch inputs originating from hazardous areas. It is engineered to transmit binary signals from NAMUR sensors or mechanical contacts located in Zone 0, 1, or 2 to the safe area, ensuring explosion protection in process automation applications requiring compliance with ATEX and IECEx standards.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsic Safety Barrier, Switch Repeater
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35VDC (via power rail or terminals)
- POWER CONSUMPTION: 1.5W typical
- INPUT: 2-channel, for NAMUR sensors (EN 60947-5-6) or dry contacts
- OUTPUT: 2-channel, Relay Output (SPDT, normally open/closed configurable)
- SWITCHING CAPACITY: 250VAC/2A or 30VDC/2A
- INTERFACE/CONTROL:
- SIGNAL TYPE: Binary (ON/OFF)
- DIAGNOSTICS: Line fault detection (LFD) for open/short circuit on input lines
- INDICATORS: LEDs for power, input status, output status
- ENVIRONMENTAL/MOUNTING:
- EXPLOSION PROTECTION: ATEX, IECEx, FM, cULus certified Ex ia IIC T4 Ga/Gb
- HAZARDOUS AREA CLASSIFICATION: Zone 0, 1, 2 (gas) Zone 20, 21, 22 (dust) with appropriate sensors
- OPERATING TEMPERATURE: -20 to +60 °C
- ENCLOSURE RATING: IP20
- MOUNTING: 35mm DIN Rail
- COMPATIBILITY/APPLICATION:
- SENSOR COMPATIBILITY: NAMUR proximity switches, mechanical contacts, push buttons
- TARGET SYSTEMS: Process control systems, safety instrumented systems, distributed control systems (DCS), programmable logic controllers (PLC)
- FUNCTION: Isolation and signal transmission from hazardous to safe areas
