DESCRIZIONE PRODOTTO
PEPPERL & FUCHS 238626 - Intrinsic Safety Barrier Switch Amplifier
The PEPPERL & FUCHS KFD2-SR2-EX1.W, identified by code 238626, is a 2-channel intrinsic safety barrier from the K-System series. It is engineered for the galvanic isolation and signal conditioning of NAMUR sensors or mechanical contacts situated in hazardous areas, providing reliable relay outputs to control systems in the general purpose area while adhering to stringent explosion protection standards. This module ensures safe operation and continuous process monitoring in classified environments.
Technical Specifications:
- SERIES/FAMILY: K-System, KFD2 Series
- COMPONENT TYPE: Intrinsic Safety Barrier, Switch Amplifier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC
- INPUT: 2-channel for NAMUR sensors (EN 60947-5-6) or potential-free contacts
- OUTPUT: 2 x SPDT (Single Pole Double Throw) electromechanical relay contacts
- SWITCHING CAPACITY: 250VAC/2A (cos phi > 0.7) or 125VDC/2A (resistive load)
- INTRINSICALLY SAFE OUTPUT PARAMETERS (per channel): Uo = 9.6V, Io = 10mA, Po = 24mW (for NAMUR circuits)
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact module
- WIDTH: 20mm
- INTERFACE/CONTROL:
- INPUT SIGNAL: NAMUR proximity switch or dry contact
- OUTPUT SIGNAL: Electromechanical relay, configurable normally open/normally closed
- DIAGNOSTICS: Configurable line fault detection (wire break, short circuit)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35mm DIN rail
- OPERATING TEMPERATURE: -20 to +60 °C (-4 to +140 °F)
- COOLING: Natural convection
- COMPATIBILITY/APPLICATION:
- HAZARDOUS AREA CLASSIFICATION: Suitable for applications up to Zone 0/20
- SENSOR COMPATIBILITY: NAMUR sensors, mechanical contacts
- FUNCTION: Signal conditioning, galvanic isolation, explosion protection for process automation and control systems
