The Pepperl and Fuchs KFU8‑UFC‑1.D is a single‑channel frequency converter and signal conditioner designed for NAMUR sensors or dry contact inputs in 2 or 3 wire configurations. It operates on a wide power supply range of 20 to 90 V DC or 48 to 253 V AC and supports frequency inputs from 1 Hz up to 10 kHz. The unit provides selectable outputs including 4 to 20 mA, relay or transistor, includes line fault detection, is SIL2 rated, and features a compact 40 mm housing with IP20 protection