Siemens - Fasebewakingsrelais 3Ug55141Br20 - 3UG55141BR20

analog adjustment monitoring relay phase failure, phase sequence, asymmetry and under-voltage monitoring 3x 160-690 V AC, 15-70 Hz 2 changeover contacts screw terminal for monitoring phase sequence, phase failure and phase asymmetry and undervoltage, e. g. with mobile systems such as A/C compressors, refrigerated containers, construction site compressors, cranes or photovoltaic systems and wind turbines Worldwide use thanks to international certificates. Less space required in the control cabinet thanks to slim design. All versions with removable terminals. In addition to screw terminals, all the devices are also available with spring-type terminals for fast, maintenance-free and vibration-proof connection. Versions with a wide voltage range and without auxiliary voltage can be used in any networks worldwide.