PRODUCT DESCRIPTION
PEPPERL & FUCHS 199789 - Intrinsically Safe Switch Amplifier with Safety Relay Output
The PEPPERL & FUCHS KFD2-SR2-EX1.W is an intrinsically safe switch amplifier from the K-System, engineered for interfacing control systems with loads located in hazardous areas. It provides galvanic isolation between the safe and hazardous areas, featuring a single-channel intrinsically safe input and a safety relay output for controlling solenoids, alarms, or other field devices in process automation applications.
Technical Specifications:
- SERIES/FAMILY: K-System, KFD2 Series
- COMPONENT TYPE: Intrinsically Safe Switch Amplifier / Solenoid Driver
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35 VDC
- INPUT: 1-channel intrinsically safe input for NAMUR sensors or mechanical contacts
- OUTPUT: 1-channel changeover relay (SPDT)
- SWITCHING CAPACITY: Max. 250 VAC/DC, 2 A, 500 VA AC, 60 W DC
- INTERFACE/CONTROL:
- SIGNAL TYPE: Intrinsically safe input for NAMUR proximity switches (EN 60947-5-6) or dry contacts
- INDICATORS: LED for power, switching state, and fault
- GALVANIC ISOLATION: Input, output, and power supply are mutually isolated
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35 mm DIN rail
- OPERATING TEMPERATURE: -20 to +60 °C (-4 to +140 °F)
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, cULus for Zone 0, 1, 2 (Gas and Dust)
- COMPATIBILITY/APPLICATION:
- FUNCTION: Drives solenoids, alarms, or other loads in hazardous areas
- SYSTEM INTEGRATION: Interfaces with PLC, DCS, and ESD systems for process control and safety applications