Siemens Sirius 3UG5 Monitoring relay

monitoring relay phase fault, phase sequence and asymmetry monitoring 3x 160-690 V AC, 15-70 Hz 1 changeover contact spring-loaded terminal Line monitoring relay SIRIUS 3UG5 for monitoring phase sequence, phase failure and phase asymmetry, e.g. with mobile systems like A/C compressors, cooling containers, construction site compressors, cranes, or solar installations and wind turbines. Worldwide use thanks to international certificates. Reduced space requirement in the control cabinet thanks to the slim design. All versions with removable terminals. In addition to screw terminals, all devices are also available with spring-loaded terminals for fast, maintenance-free, and vibration-proof connections. Versions with a wide voltage range and without auxiliary voltage can be used in all networks worldwide. Furthermore, units with SILâ 1/PLâce certification are available. The comprehensive range of accessories, such as unit marking plates, spare terminals, and sealing covers, is standardized for all relays. 3UG5 line monitoring relays replace the well-proven 3UG4 series. SIRIUS relays - a series for every application.