ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 233459 - KFD2-SR2-EX1.W Isolated Switch Repeater
The PEPPERL & FUCHS KFD2-SR2-EX1.W is a K-System series isolated switch repeater power supply engineered for intrinsic safety applications. It provides galvanic isolation between hazardous and safe areas, enabling the operation of NAMUR sensors or mechanical contacts in Zone 0, 1, or 2 environments. This module features two independent channels with relay outputs and integrated line fault detection for enhanced system reliability in process automation and safety instrumented systems.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Isolated Switch Repeater Power Supply
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35 VDC
- INPUT: 2-channel, for NAMUR proximity sensors (EN 60947-5-6) or mechanical contacts
- OUTPUT: 2-channel, SPDT (Single Pole Double Throw) relay, rated 250VAC/2A or 30VDC/2A
- POWER CONSUMPTION: < 1.5 W
- INTERFACE/CONTROL:
- SIGNAL INPUT: NAMUR sensor or dry contact
- SIGNAL OUTPUT: Potential-free changeover relay
- DIAGNOSTICS: Line fault detection (LFD) for open and short circuits in field wiring
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35 mm DIN rail
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, FM, cULus for Zone 0, 1, 2
- OPERATING TEMPERATURE: -20 °C to +60 °C
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Safety Instrumented Systems (SIS), Distributed Control Systems (DCS), Programmable Logic Controllers (PLC)
- APPLICATIONS: Process automation in chemical, oil & gas, pharmaceutical, and mining industries requiring intrinsic safety
