Siemens AG Monitor - Relay Output 3UG45112AN20

The 3UG4511-2AN20 is a phase sequence monitoring relay designed for AC control supply voltages of 160 to 260 V at 50 or 60 Hz, with analog setting and LED display. It features one change-over contact with a rated current of 3 A at 250 V AC and 1 A at 24 V DC, and supports auto-reset. The device is mounted via snap-on rail, measures 84 mm in height, 22.5 mm in width, and 91 mm in depth, and operates within an ambient temperature range of -25 °C to +60 °C. It provides galvanic isolation between input, output, and supply circuits, has IP20 protection, and meets IEC 60664-1 insulation requirements for overvoltage category III. The relay complies with IEC 61000-4-2, IEC 61000-4-4, and IEC 61000-4-5 EMC standards, and has a mechanical service life of 10 million cycles.