ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 267075100499 - KFD2-SR2-EX1.W.LB Switch Amplifier Intrinsic Safety Barrier
This device is a K-System series intrinsic safety barrier, specifically a 2-channel switch amplifier, designed for signal conditioning and galvanic isolation of NAMUR sensors or mechanical contacts located in hazardous areas. It provides reliable switching outputs to the safe area, ensuring explosion protection and compliance with international safety standards for process automation and control systems.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Switch Amplifier, Intrinsic Safety Barrier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35 VDC (Nominal 24 VDC)
- POWER CONSUMPTION: < 1.5 W
- INPUT: 2-channel, for NAMUR sensors (EN 60947-5-6) or dry contacts
- OUTPUT: 2-channel, potential-free relay contacts (SPDT)
- SWITCHING CAPACITY: 250 VAC / 2 A / 500 VA 125 VDC / 2 A / 60 W (resistive load)
- INTRINSIC SAFETY PARAMETERS: Ex ia IIC (typical values: Uo = 9.6 V, Io = 10 mA, Po = 24 mW for hazardous area circuit)
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact DIN-rail mount module
- CONNECTION: Screw terminals
- INTERFACE/CONTROL:
- SIGNAL INPUT: NAMUR sensor or mechanical switch
- SIGNAL OUTPUT: Relay contact
- DIAGNOSTICS: LED indicators for operation, switching status, and fault conditions (e.g., wire break, short circuit)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- OPERATING TEMPERATURE: -20 °C to +60 °C
- MOUNTING: 35 mm DIN rail
- COOLING: Natural convection
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), Safety Instrumented Systems (SIS)
- APPLICATIONS: Process automation in chemical, petrochemical, oil & gas, pharmaceutical, and food & beverage industries requiring explosion protection for field devices in Zone 0, 1, or 2 hazardous areas.
- CERTIFICATIONS: ATEX, IECEx, UL, FM (specific certifications vary by model variant)
