Pepperl+Fuchs KFD2-DWB-Ex1.D Rotation Speed Monitor (231203)

Genuine Pepperl+Fuchs KFD2-DWB-Ex1.D Rotation Speed Monitor / Isolated Barrier, part number 231203. Designed for monitoring overspeed and underspeed conditions from NAMUR sensors or dry contact inputs in hazardous-area applications. Commonly used in process industries, oil & gas, chemical plants, and industrial automation systems.

The unit features a 24 VDC supply, configurable speed monitoring parameters, line fault detection, and dual relay outputs for alarm or shutdown functions.

Specifications

• Manufacturer: Pepperl+Fuchs
• Model: KFD2-DWB-Ex1.D
• Part Number: 231203
• Type: Rotation Speed Monitor / Isolated Barrier
• Supply Voltage: 20–30 VDC (24 VDC nominal)
• 1-Channel Isolated Barrier
• Dry Contact or NAMUR Sensor Inputs
• Input Frequency Range: 1 mHz to 5 kHz
• 2 Relay Contact Outputs
• Start-Up Override Function
• Line Fault Detection (LFD)
• SIL 2 Capability (IEC 61508 / IEC 61511)
• DIN Rail Mounting
• IP20 Protection Rating
• Ex II (1) G [Ex ia] IIC TUV 99ATEX1408 II (1) D [Ex iaD] I (M1) [Ex ia] I II 3 G Ex nA nC IIC T4 TUV 02 ATEX 1885 X

Condition

• Pre-owned in very good condition
• Removed from an industrial environment.

Applications

Suitable for:

• Conveyor speed monitoring
• Pump and motor protection
• Fan monitoring
• Turbine monitoring
• Process safety systems
• Hazardous area instrumentation systems