ThePepperl+Fuchs KFD2-SH-Ex1IS barrier is designed to safely connect and transmit analog signals between intrinsically safe circuits located in hazardous areas (Zones 0, 1, 2) and standard circuits in safe areas. This barrier is used to protect and transmit signals from devices such as temperature sensors, transmitters and other analog devices operating in environments with an increased risk of explosion. TheKFD2-SH-Ex1provides reliable protection against overvoltage, short circuits and other potentially hazardous conditions, preventing the risk of sparking and explosion.
Technical characteristics:
- Model: KFD2-SH-Ex1
- Device type:Intrinsic protection barrier
- Input voltage: 20-35 V DC
- Signal types: Supports analog signals (e.g. 4-20 mA current loops, analog voltages)
- Output signals:
- Analog output (4-20 mA or voltage, depending on configuration)
- Number of channels: 1 channel
- Galvanic isolation:Between input and output, as well as between power circuits
- Operation temperature range: from -20°C to +60°C
- Dimensions: 20 mm x 119 mm x 115 mm
- Weight:About 150 g
- Installation:DIN rail installation
- Protection class:IP20 (protection against accidental contact and penetration of solid objects)
Features:
- Intrinsic Protection: The KFD2-SH-Ex1 barrier prevents the risk of sparks and explosions, which is critical for the safe operation of equipment in hazardous areas.
- Galvanic Isolation: Complete isolation between input and output circuits prevents the transmission of hazardous voltages, protecting equipment and personnel.
- Accurate Analog Signal Transmission:The barrier supports transmission of precise analog signals such as 4-20 mA current loops, making it ideal for use with sensors and transmitters.
- Reliability:The device is designed to operate in harsh industrial environments, ensuring stable and long-term operation.
- Easy to integrate: Compact size and standard DIN rail mounting make it easy to install and integrate into existing control systems.
Application:
- Industrial Automation:Used to protect and transmit analog signals from sensors and converters installed in hazardous areas in industrial plants.
- Oil and gas industry:Used for signal safety and equipment control in facilities with a high risk of explosion, such as oil refineries and drilling rigs.
- Chemical industry:Used for protection and signal transmission in control and monitoring systems in chemical plants.
- Energy:Used in control and monitoring systems at energy facilities, ensuring safe transmission of analog signals.






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