The Pepperl+Fuchs KFD2-STC-EX1 and KFD2-SCD-EX1 are analog current repeaters that provide electrical isolation and signal transmission for process control applications. These repeaters are specifically designed for use in hazardous environments, offering intrinsic safety and reliable signal integrity in industrial settings. They are commonly used to repeat and isolate 4-20 mA analog current signals, ensuring consistent data transmission between field devices and control systems in environments like chemical, petrochemical, and oil and gas industries.

kfd2-stc-ex1，kfd2-scd-ex1 Wide Temperature Range: Operates reliably in industrial environments with fluctuating temperatures.

Model Number: kfd2-stc-ex1，kfd2-scd-ex1

Input Signal: 4-20 mA or 1-5 V DC from field devices, providing flexible compatibility

Output Signal: 4-20 mA, proportional to the input signal

Power Supply: 24V DC nominal, with a tolerance of 20-30V DC

Isolation: 3-way electrical isolation between input, output, and power supply (galvanic isolation) to protect against interference

Load Resistance: Up to 750 Ω at the output, supporting high-load applications

kfd2-stc-ex1，kfd2-scd-ex1 Approximately 10 ms, suitable for process control applications requiring timely response

kfd2-stc-ex1，kfd2-scd-ex1 Accuracy: ±0.1% of full scale

kfd2-stc-ex1，kfd2-scd-ex1 Temperature Range: -20°C to +60°C operating range, allowing for use in variable industrial environments

kfd2-stc-ex1，kfd2-scd-ex1 Input Signal: 4-20 mA, typically from hazardous area field devices

Output Signal: 4-20 mA, suitable for safe-area monitoring systems

Power Supply: 24V DC nominal (20-35V DC)

Isolation: 3-way isolation (input, output, power) to prevent cross-interference and ground loops

Load Capacity: Maximum load of 750 Ω on the output side

Response Time: Fast response time of approximately 10 ms

Accuracy: ±0.1% of full scale for reliable analog signal reproduction

Temperature Range: -20°C to +60°C operating range