Siemens Digital monitoring relay, 1 c/o contact, 17 - 275VAC/DCProduct Overview Advanced digital voltage monitoring relay designed for comprehensive single phase AC DC voltage monitoring with self powered operation. This SIRIUS 3UG4 series monitoring relay provides reliable detection of voltage overshoot and undershoot conditions across a wide range of 17 275 V AC DC. The device features digital adjustment capabilities with LCD display, configurable error buffer function, and flexible monitoring modes including
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Siemens Digital monitoring relay, 1 c/o contact, 17 - 275VAC/DC