Siemens AG Monitor - Relay Output 3UG4641-2CS20

The 3UG4641-2CS20 is a digital monitoring relay for active power, current, and cos phi monitoring in AC circuits from 90 to 690 V with a supply frequency of 50 to 60 Hz. It features two change-over contacts with a thermal current rating of 5 A and an ampacity of 3 A at AC-15 up to 400 V. The device has a LCD display, spring-loaded terminals accepting 0.25 to 1.5 mm² conductors, and snap-on mounting with dimensions of 103 mm height, 22.5 mm width, and 91 mm depth. It operates from -25 to +60 °C, meets IP20 protection, and has a surge voltage resistance of 6 kV. Galvanic isolation is provided between input, output, and supply circuits, and it complies with IEC 60664 for insulation voltage and IEC 60068-2-27/6 for shock and vibration resistance.