PRODUCT DESCRIPTION
PEPPERL & FUCHS 295670100207 - K-System Isolated Barrier Switch Amplifier
This device is an intrinsically safe isolated barrier from the K-System series, engineered for signal conditioning and switching in hazardous area applications. It interfaces digital inputs from NAMUR sensors or mechanical contacts in Zone 0/1/2 with a safe area relay output, providing galvanic isolation and explosion protection for industrial control systems.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Isolated Barrier Switch Amplifier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35 VDC (24 VDC nominal)
- POWER CONSUMPTION: 1.5 W typical
- OUTPUT RATING: 250 VAC / 2 A or 30 VDC / 2 A (resistive load)
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact DIN rail module
- DIMENSIONS: 20 mm width (standard for K-System single channel)
- INTERFACE/CONTROL:
- INPUT: 1-channel NAMUR sensor (EN 60947-5-6) or dry contact
- OUTPUT: 1-channel potential-free relay changeover contact
- SIGNAL TYPE: Digital
- FEATURES: Line fault detection (LFD) for open/short circuit, galvanic isolation
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals), IP40 (housing)
- OPERATING TEMPERATURE: -20 °C to +60 °C
- MOUNTING: 35 mm DIN rail per EN 60715
- EXPLOSION PROTECTION: Intrinsic Safety Ex ia IIC T4/T6 (input circuit)
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Process control systems, safety instrumented systems, distributed control systems, programmable logic controllers
- APPLICATIONS: Signal conditioning and switching for hazardous area field devices (e.g., proximity switches, limit switches) to safe area control systems.
- CERTIFICATIONS: ATEX, IECEx, UL, cUL, EAC, KOSHA