PRODUCT DESCRIPTION
PEPPERL & FUCHS 2407760030 - K-System Intrinsic Safety Barrier with Safety Relay Output
This K-System intrinsic safety barrier, identified as KFD2-SR2-EX1.W.SM, provides galvanic isolation and signal conditioning for interfacing digital inputs from hazardous areas with safe area control systems. It features two independent safety relay outputs, enabling reliable control of actuators or signaling devices while maintaining intrinsic safety for field devices such as NAMUR sensors or mechanical contacts. Engineered for critical process automation applications requiring robust hazardous area protection.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsic Safety Barrier, Safety Relay Output
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC
- INPUT TYPE: 2-channel for NAMUR sensors or dry contacts from hazardous area
- OUTPUT TYPE: 2 x SPDT (Single Pole Double Throw) potential-free relay contacts
- SWITCHING CAPACITY: Up to 250VAC/2A or 30VDC/2A per relay
- POWER CONSUMPTION: Approximately 1.5W at 24V DC
- INTERFACE/CONTROL:
- SIGNAL INPUT: Intrinsically safe input for Zone 0, 1, 2 (Gas) or 20, 21, 22 (Dust)
- SIGNAL OUTPUT: Safe area relay contacts for PLC/DCS interface
- DIAGNOSTICS: Front panel LED indicators for operating status and fault conditions
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- OPERATING TEMPERATURE: -20 to +60 °C
- MOUNTING: 35mm DIN rail
- TERMINALS: Screw terminals (SM)
- HAZARDOUS AREA CERTIFICATION: Compliant with ATEX, IECEx, UL for intrinsic safety applications
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Process control systems, PLCs, DCS in safe areas
- FIELD DEVICES: NAMUR proximity sensors, limit switches, push buttons in hazardous locations
- INDUSTRY USE: Chemical, petrochemical, oil & gas, pharmaceutical, power generation