KFD2‑DWB‑EX1‑D Rotation Monitor is a SIL‑2 certified, 1‑channel isolated barrier for hazardous environments. Powered by 20–30 V DC via Power Rail, it accepts NAMUR or dry contact inputs (1 mHz–5 kHz) and provides two relay outputs. Built-in line fault detection, start‑up override, keypad configuration, LED/error indicators, and reinforced galvanic isolation (300 V eff.)—all within a compact 40 x 119 x 115 mm housing, IP20 rated.
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