PRODUCT DESCRIPTION
PEPPERL & FUCHS 240776100004 - KFD2-SR2-EX1.W Switch Amplifier
The PEPPERL & FUCHS KFD2-SR2-EX1.W is a two-channel switch amplifier from the K-System series, engineered to provide intrinsic safety for signals originating from hazardous areas. It conditions signals from NAMUR sensors or mechanical contacts, delivering isolated relay outputs to safe area control systems. This module is essential for process automation applications requiring robust signal integrity and compliance with international intrinsic safety standards.
Technical Specifications:
- SERIES/FAMILY: K-System, KFD2 Series
- COMPONENT TYPE: Switch Amplifier, Intrinsic Safety Barrier
- ELECTRICAL SPECS:
- Supply Voltage: 20-35V DC (24V DC nominal)
- Input: 2 channels for NAMUR sensors (EN 60947-5-6) or potential-free contacts
- Output: 2 normally open (NO) relay contacts (SPST)
- Switching Capacity: 250V AC / 2A or 30V DC / 2A (resistive load)
- Power Consumption: < 1.5W
- INTERFACE/CONTROL:
- Input Signal Type: Intrinsically safe, for NAMUR sensors or dry contacts
- Output Signal Type: Isolated relay contacts for PLC/DCS integration
- Diagnostics: Line fault detection (LFD) for open and short circuits on input lines
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- OPERATING TEMPERATURE: -20°C to +60°C (-4°F to +140°F)
- MOUNTING: 35mm DIN rail
- HAZARDOUS AREA APPROVALS: ATEX, IECEx, FM, cULus (e.g., [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I)
- COMPATIBILITY/APPLICATION:
- Compatible with NAMUR proximity switches and mechanical switches in hazardous areas.
- Integrates with Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS).
- Suitable for process industries including chemical, oil & gas, pharmaceutical, and power generation.