... calculated current with a nominal voltage of 380 V and 50 Hz, for application in continuous, ... intermittent, prolonged and repeated short-time with the frequency of inclusion of ... per hour.(2) Technical Characteristics Rated current of contacts of the main chain: 100, 160, 250, ... 127, 220, 230, 240, 380V frequency of 50 Hz. Category of AS-2, AC-3, AC-4 Rated current ...