PRODUCT DESCRIPTION
PEPPERL & FUCHS 239621 - K-System Isolated Barrier, Safety Relay Output
The PEPPERL & FUCHS 239621 is an intrinsically safe isolated barrier from the K-System series, engineered for reliable signal conditioning and switching in hazardous area applications. It provides galvanic isolation between the control system and field devices, featuring a single-channel safety relay output for controlling loads in safety instrumented systems (SIS) up to SIL3.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2-SR2-EX1.W.SM)
- COMPONENT TYPE: Isolated Barrier, Safety Relay Output
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC (Wide Power Supply Range)
- OUTPUT CONTACTS: 1 Normally Open (NO), 1 Normally Closed (NC) potential-free relay contacts
- SWITCHING CAPACITY: 250VAC / 2A 30VDC / 2A
- POWER CONSUMPTION: Approximately 1.5W
- INTERFACE/CONTROL:
- INPUT: Control input from safe area (e.g., PLC, DCS)
- OUTPUT: Potential-free relay contacts for switching loads in hazardous or safe areas
- ISOLATION: Galvanic isolation between input, output, and power supply
- DIAGNOSTICS: Line fault detection (LFD) for input circuit
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- OPERATING TEMPERATURE: -20 to +60 °C
- MOUNTING: 35mm DIN rail
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, FM, cULus (for intrinsic safety applications)
- COMPATIBILITY/APPLICATION:
- SAFETY INTEGRITY LEVEL: Up to SIL3 (IEC 61508/61511)
- TARGET SYSTEMS: Process automation, Emergency Shutdown (ESD) systems, Fire and Gas (F&G) systems
- FUNCTION: Switching intrinsically safe circuits, controlling solenoid valves, alarms, and other loads in hazardous environments