DESCRIZIONE PRODOTTO
PEPPERL & FUCHS KFD2-SR2-EX1.W - Intrinsic Safety Switch Amplifier
This K-System intrinsic safety barrier is a dual-channel switch amplifier designed to interface signals from hazardous area devices, such as NAMUR sensors or potential-free contacts, to safe area control systems. It provides galvanic isolation and converts input signals into two independent relay outputs, ensuring reliable and safe operation in process automation applications requiring explosion protection.
Technical Specifications:
- SERIES/FAMILY: K-System, KFD2 Series
- COMPONENT TYPE: Intrinsic Safety Switch Amplifier, Relay Output
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35VDC
- POWER CONSUMPTION: <= 1.5W
- OUTPUT TYPE: 2 x SPDT Relay (Single Pole Double Throw)
- SWITCHING CAPACITY: 250VAC/2A or 125VDC/2A (Resistive Load)
- INPUT TYPE: 2-channel for NAMUR proximity sensors or potential-free contacts
- INTERFACE/CONTROL:
- SIGNAL INPUT: Hazardous Area (Zone 0, 1, 2)
- SIGNAL OUTPUT: Safe Area
- LINE FAULT DETECTION: Yes, for NAMUR inputs (Open/Short Circuit)
- GALVANIC ISOLATION: Input, Output, and Power Supply
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35mm DIN Rail
- OPERATING TEMPERATURE: -20°C to +60°C (-4°F to +140°F)
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, FM, UL (Intrinsic Safety)
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), Emergency Shutdown Systems (ESD)
- SAFETY INTEGRITY LEVEL (SIL): Up to SIL2 (according to IEC 61508)
- TYPICAL APPLICATIONS: Chemical processing, oil and gas, pharmaceutical manufacturing, power generation, water/wastewater treatment
