Siemens AG Monitor - Relay Output 3UG46252CW30

Digital monitoring relay for residual current detection in three-phase systems, with a 22.5 mm width and snap-on mounting to a 35 mm DIN rail. It operates from a 24 to 240 V AC/DC control supply, monitors residual currents from 30 mA to 40 A with selectable warning and trip thresholds, and features two change-over contacts with a 5 A thermal current rating. The device includes an LCD display, error memory, adjustable delays from 0.1 to 20 s, and a 5% relative metering precision. Galvanic isolation is provided between input and output circuits. It meets IP20 protection, operates from -25 to +60 °C, and is certified for IEC 60664-1 overvoltage category III and IEC 61000-4-2, -4-3, -4-4, -4-5 electromagnetic compatibility standards.