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PEPPERL & FUCHS 3261610060 is a K-System intrinsic safety barrier functioning as a 2-channel switch amplifier and repeater power supply. It is engineered to provide galvanic isolation and signal conditioning for NAMUR proximity sensors or dry contacts located in hazardous areas, transmitting their status to the safe area via relay outputs. This module ensures reliable and safe operation in process automation applications requiring compliance with international intrinsic safety standards.
Technical Specifications:
SERIES/FAMILY: K-System (KFD2-SR2-EX1.W.SM)
COMPONENT TYPE: Intrinsic Safety Barrier, Switch Amplifier, Repeater Power Supply
ELECTRICAL SPECS:
INPUT VOLTAGE: 20-35VDC (Nominal 24VDC)
INPUT SIGNAL: 2x Channels for NAMUR proximity sensors (EN 60947-5-6) or dry contacts from hazardous area
OUTPUT SIGNAL: 2x Relay outputs (changeover contacts) to safe area
POWER DISSIPATION: Typically < 1.5W per channel
INTERFACE/CONTROL:
FUNCTION: Provides power to hazardous area sensors, isolates and repeats switch signals
DIAGNOSTICS: Integrated Line Fault Detection (LFD) for sensor open/short circuit
ENVIRONMENTAL/MOUNTING:
IP RATING: IP20
MOUNTING: 35mm DIN rail
OPERATING TEMPERATURE: -20 °C to +60 °C
TERMINATION: Screw terminals
COMPATIBILITY/APPLICATION:
HAZARDOUS AREA CLASSIFICATION: Certified for Zone 0, 1, 2, 20, 21, 22 applications (e.g., ATEX, IECEx, UL)
SAFETY INTEGRITY LEVEL: Up to SIL2 (IEC 61508/IEC 61511)
TARGET SYSTEMS: Process control systems, safety instrumented systems, PLCs, DCS
FUNCTION: Monitoring of switching devices in explosive atmospheres, ensuring intrinsic safety compliance
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