UBZ-301 universal electromotor protection unit (further referred to as the unit) is designed for continuous monitoring of the circuit voltage parameters and phase/line RMS currents of three-phase 380V/50Hz electrical equipment, primarily, of induction asynchronous motors (EM) with wattage rating fro..
UBZ-304 Universal Electric Motor Protection Device. The UBZ-304 Universal Electric Motor Protection Device is designed for protection of asynchronous electric motors having power of 2.5 to 315 kW, with the use of external standard current transformers having output current of 5 amperes.The UBZ-..
UBZ-305 Universal Electric Motor Protection Device. The UBZ is designed for protection of asynchronous electric motors having power of 2.5 to 315 kW, with the use of external standard current transformers having output current of 5 amperes.The UBZ is designed for protection of asynchronous electric ..