ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS KHD3-ISD/EX148 - Intrinsically Safe Digital Input Barrier
This K-System intrinsically safe digital input barrier provides galvanic isolation and signal conditioning for connecting NAMUR sensors or dry contacts located in hazardous areas to safe area control systems. It ensures reliable signal transmission while maintaining explosion protection for critical process automation applications in environments classified as Zone 0, 1, 2 (gas) or Zone 20, 21, 22 (dust).
Technical Specifications:
- SERIES/FAMILY: K-System (K-Series)
- COMPONENT TYPE: Intrinsically Safe Digital Input Barrier / Switch Amplifier
- ELECTRICAL SPECS: 24VDC Nominal Supply Voltage Max. 1.5W Power Consumption Potential-free SPDT Relay Output
- INTERFACE/CONTROL: 2-Channel input from NAMUR sensors or dry contacts in hazardous areas Output via SPDT relay contacts to safe area control systems LED status indicators for input and fault conditions
- ENVIRONMENTAL/MOUNTING: IP20 Protection Rating 35mm DIN Rail Mounting Operating Temperature Range -20°C to +60°C
- EXPLOSION PROTECTION: Certified for Intrinsic Safety (e.g., ATEX, IECEx, UL/cUL) for connection to Zone 0/1/2 (gas) and Zone 20/21/22 (dust)
- COMPATIBILITY/APPLICATION: Designed for integration with PLCs, DCS, and safety instrumented systems Suitable for chemical, petrochemical, pharmaceutical, and oil & gas industries requiring hazardous area monitoring