Pepperl+Fuchs KFD2-STC5-EX2 – signal conditioner

The Pepperl+Fuchs KFD2-STC5-EX2 is an intrinsically safe signal conditioner designed for use in hazardous areas. It is used to isolate, convert and transmit analog signals between field devices and control systems while ensuring safe operation in explosive environments.

The device is commonly used to interface sensors and transmitters located in hazardous zones with PLC or DCS systems, providing reliable signal processing and electrical isolation.

Technical overview:
• Product type: signal conditioner / isolator
• Model: KFD2-STC5-EX2
• Input signal: analog current (e.g. 4–20 mA)
• Output signal: analog current or voltage signal
• Safety type: intrinsically safe (Ex approved)
• Isolation: galvanic isolation between input, output and supply
• Mounting: DIN rail installation
• Power supply: typically 24 V DC
• Application: hazardous area signal transmission
• Operating temperature: approx. –20°C to +60°C

Typical applications:
• Hazardous area automation systems
• Oil and gas industry
• Chemical processing plants
• Process control systems (DCS / PLC)
• Sensor and transmitter signal conditioning

About the manufacturer:
Pepperl+Fuchs is a global manufacturer specializing in industrial sensors, intrinsic safety equipment and explosion protection solutions. The company is known for reliable products used in hazardous environments and process automation systems worldwide.