Product Description
Pepperl+Fuchs KFD2-CD2-EX2 Current Driver
- Manufacturer: Pepperl+Fuchs
- Model/Part Number: KFD2-CD2-EX2
- Description: 2-Channel Isolated Barrier Current Driver
Overview
- The Pepperl+Fuchs KFD2-CD2-EX2 is a 2-channel isolated barrier current driver designed for intrinsic safety applications in hazardous areas. It drives current signals to control devices such as valve positioners, I/P converters, or indicators located in hazardous zones, ensuring safe and reliable operation in industries like oil and gas, chemical, and process automation. The device is part of the K-System isolated barriers family and supports Triple Modular Redundancy (TMR) for fault tolerance.
Technical Specifications
| Specification | Details |
|---|---|
| Model | KFD2-CD2-EX2 |
| Series | K-System Isolated Barriers |
| Type | 2-Channel Current Driver |
| Supply Voltage | 24 VDC (20–35 VDC, Power Rail compatible) |
| Input | 4–20 mA |
| Output | 4–20 mA, up to 700 Ω load |
| Safety Integrity Level | Up to SIL 2 per IEC/EN 61508 |
| Operating Temperature | -20°C to +60°C |
| Protection Rating | IP20 |
| Mounting | 35 mm DIN rail |
| Connection | Screw terminals |
| Dimensions | 20 mm x 119 mm x 115 mm (0.8 in x 4.7 in x 4.5 in) |
| Certifications | ATEX, IECEx, UL, FM, CSA |
Additional Information
- Functionality: The KFD2-CD2-EX2 transmits 4–20 mA signals from a controller to devices in hazardous areas, ensuring intrinsic safety. It features two independent channels for increased efficiency and supports line fault detection for reliable operation. The device is designed for use with Power Rail systems, simplifying installation and reducing wiring.