Product Description
Pepperl+Fuchs KFD2-STC4-1.2O
The Pepperl+Fuchs KFD2-STC4-1.2O is a high-performance, 1-channel isolated barrier designed for intrinsically safe applications. This SMART transmitter power supply is engineered to operate 2-wire SMART transmitters in hazardous areas, providing a reliable and safe interface. It effectively isolates the input signal from the output, preventing ground loops and protecting control systems. The device features both a current (4…20 mA) and a voltage (1…5 V) output, which can be used simultaneously. It fully supports HART communication, allowing for seamless integration and configuration of connected field devices. Its robust design and SIL 2 rating make it an ideal choice for critical process control and safety systems in various industries.
Technical Specifications:
- Type: 1-channel SMART Transmitter Power Supply
- Signal Input: 4 … 20 mA
- Signal Output: 1 x 4 … 20 mA (current source) and 1 x 1 … 5 V
- Supply Voltage: 20 … 35 V DC
- Hazardous Area Connection: Zone 0, 1, 2, 20, 21, 22 | Div. 1, 2
- Safety Integrity Level (SIL): SIL 2 (acc. to IEC 61508)
- Communication: HART transparent
- Mounting: 35 mm DIN mounting rail

Pepperl+Fuchs KFD2-STC4-1.2O
Discover the Pepperl+Fuchs KFD2-STC4-1.2O, a 1-channel, SIL 2 rated isolated barrier. This SMART transmitter power supply provides a 4-20mA input with dual current and voltage outputs, and supports HART communication for intrinsically safe applications.







