PRODUCT DESCRIPTION
PEPPERL & FUCHS 2407800011 - K-System Intrinsic Safety Barrier, Dual-Channel Switch Amplifier
The PEPPERL & FUCHS 2407800011 is a K-System dual-channel intrinsic safety barrier designed for interfacing NAMUR proximity switches or mechanical contacts located in hazardous areas with control systems in safe areas. It provides galvanic isolation and intrinsically safe circuits, featuring two potential-free relay outputs for signal transmission and integrated line fault detection for enhanced system integrity. This module is engineered for critical process automation applications requiring compliance with international hazardous area and functional safety standards.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2-SR2-EX1.W)
- COMPONENT TYPE: Intrinsic Safety Barrier, Switch Amplifier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC (24V DC nominal)
- POWER CONSUMPTION: <= 1.5W
- OUTPUT RELAY TYPE: 2 x SPDT (Single Pole Double Throw) potential-free contacts
- SWITCHING CAPACITY: 250VAC/2A or 30VDC/2A (resistive load)
- INTERFACE/CONTROL:
- INPUT CHANNELS: 2, for NAMUR sensors (EN 60947-5-6) or dry contacts
- OUTPUT CHANNELS: 2, relay outputs
- SIGNALING: LED indicators for switching state and line fault
- CONFIGURATION: Selectable operating mode (NO/NC) via DIP switches
- DIAGNOSTICS: Integrated line fault detection (LFD) for open or short circuits
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35mm DIN rail
- OPERATING TEMPERATURE: -20°C to +60°C
- FORM FACTOR: Compact DIN rail module
- COMPATIBILITY/APPLICATION:
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, UL (e.g., [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I)
- FUNCTIONAL SAFETY: Up to SIL 2 (IEC 61508/61511)
- TARGET APPLICATIONS: Process control, emergency shutdown systems, fire and gas detection in chemical, oil & gas, pharmaceutical, and power generation industries.