PRODUCT DESCRIPTION
PEPPERL & FUCHS 001604 - KFD2 Series Intrinsic Safety Barrier Switch Amplifier
The PEPPERL & FUCHS 001604 is an intrinsic safety barrier from the KFD2 series, engineered for reliable signal conditioning and galvanic isolation between hazardous and safe areas. It functions as a single-channel switch amplifier, enabling the safe operation of discrete input devices located in explosive atmospheres by providing a clean, isolated relay output signal to the control system. This module is critical for maintaining safety integrity in process automation applications.
Technical Specifications:
- SERIES/FAMILY: KFD2 Series Intrinsic Safety Barriers
- COMPONENT TYPE: Switch Amplifier, Single Channel
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35VDC (24VDC nominal)
- POWER CONSUMPTION: Approximately 1.5W
- INPUT: NAMUR sensor (EN 60947-5-6) or potential-free contact from hazardous area
- OUTPUT: 1 x Potential-free Changeover Relay (SPDT)
- SWITCHING CAPACITY: 250VAC/2A or 30VDC/2A (resistive load)
- INTERFACE/CONTROL:
- INPUT SIGNAL: NAMUR proximity switch or dry contact
- OUTPUT SIGNAL: Relay contact
- DIAGNOSTICS: Line fault detection (wire break, short circuit) for NAMUR inputs
- INDICATORS: LEDs for power, switching state, and fault
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- OPERATING TEMPERATURE: -20 to +60 °C
- MOUNTING: 35mm DIN rail
- COMPATIBILITY/APPLICATION:
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx (e.g., Ex ia IIC, Ex ib IIC for input circuit)
- SAFETY INTEGRITY LEVEL: Up to SIL2 (IEC 61508)
- TARGET APPLICATIONS: Interfacing discrete signals from hazardous areas (Zone 0, 1, 2) to safe area control systems (DCS, PLC) in process industries, chemical plants, oil & gas, and pharmaceuticals.