PRODUCT DESCRIPTION
PEPPERL & FUCHS 3261610056 - KFD2-SR2-EX1.W Intrinsic Safety Switch Amplifier
The PEPPERL & FUCHS 3261610056, identified as a KFD2-SR2-EX1.W, is a two-channel intrinsically safe switch amplifier designed for interfacing binary signals from hazardous areas to the safe area. It provides galvanic isolation and drives solenoid valves, LEDs, or sounders in Zone 0, 1, or 2, ensuring compliance with intrinsic safety standards for critical process control and safety instrumented systems.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsic Safety Switch Amplifier / Solenoid Driver
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC
- INPUT CHANNELS: 2 (for NAMUR sensors or dry contacts)
- OUTPUT CHANNELS: 2 (SPDT relay contacts)
- POWER CONSUMPTION: Approximately 2.5W at 24V DC
- INTERFACE/CONTROL:
- INPUT SIGNAL TYPE: NAMUR proximity switches (EN 60947-5-6) or potential-free contacts
- OUTPUT SIGNAL TYPE: Two normally energized (NE) changeover relay contacts
- LINE FAULT DETECTION: Configurable for open and short circuit detection on input lines
- OPERATING MODE: Configurable for normally open (NO) or normally closed (NC) input behavior
- SWITCHING FREQUENCY: Up to 5 kHz
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35mm DIN rail
- OPERATING TEMPERATURE: -20 °C to +60 °C
- DIMENSIONS: 20mm width, standard K-System housing
- COMPATIBILITY/APPLICATION:
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, cULus (Ex ia IIC, Ex ia IIB)
- SAFETY INTEGRITY LEVEL (SIL): Up to SIL 2 according to IEC 61508
- TARGET SYSTEMS: Process automation, chemical and petrochemical industries, oil and gas, pharmaceutical manufacturing, water and wastewater treatment, safety instrumented systems (SIS)