Pepperl+Fuchs KFD2-STC4-Ex1 SMART Transmitter Power Supply (122580)

The Pepperl+Fuchs KFD2-STC4-Ex1 is a 1-channel intrinsically safe SMART transmitter power supply and isolated barrier designed for connecting 2-wire and 3-wire transmitters located in hazardous areas to control systems in safe areas. It powers the field transmitter while transferring the 4–20 mA signal with full galvanic isolation and HART communication transparency.

Key Features

• 1-channel isolated barrier
• SMART/HART compatible
• Powers 2-wire and 3-wire transmitters
• Accepts 2-wire current sources
• 4–20 mA signal transmission
• Galvanic isolation
• Intrinsically safe interface
• Integrated HART communication support
• Test sockets for easy commissioning
• DIN rail mounting
• SIL 2 certified

Specifications

• Manufacturer: Pepperl+Fuchs
• Model: KFD2-STC4-Ex1
• Part Number: 122580
• Type: SMART Transmitter Power Supply / Isolated Barrier
• Channels: 1
• Supply Voltage: 20–35 VDC (24 VDC nominal)
• Input:
  • 2-wire SMART transmitters
  • 3-wire SMART transmitters
  • 2-wire SMART current sources
• Output: 0/4–20 mA isolated current signal
• Communication: HART transparent
• Functional Safety: SIL 2
• Mounting: 35 mm DIN Rail
• Housing Width: 20 mm
• Hazardous Area: Intrinsically Safe Interface
• Ex II (1) G D [EEX ia] IIC BAS99ATEX7060
• Integrated 250 Ω HART resistor
• Test points for HART communicator connection

Function

The KFD2-STC4-Ex1 provides power to field-mounted transmitters in hazardous areas while safely transferring the analog measurement signal to PLC, DCS, or control systems located in the safe area. It maintains complete galvanic isolation between field and control circuits and allows bidirectional HART communication for remote configuration and diagnostics.

Typical Applications

• Pressure transmitters
• Differential pressure transmitters
• Level transmitters
• Temperature transmitters
• Flow transmitters
• Oil & Gas facilities
• Chemical processing plants
• Refineries
• Power generation
• Water & wastewater treatment

Condition

Used industrial surplus. Removed from a working environment. Please review all photographs carefully for condition, model number, and included accessories.

Contact

We have a wide range of industrial items such as pressure transmitters, temperature transmitters, flow meters, and loads more!

MSTAK Contact Number: 07915071899

MSTAK Email: mdalrymple@stakam.co.uk

Quantity

We have 6 total units available, all near new condition.