... prolonged and repeated short-time with the frequency of inclusion of up to 1200 per hour.(2) Technical ... Characteristics Rated current of contacts of the main chain: 100, 160, 250, 315 ... , 110, 127, 220, 230, 240, 380V frequency of 50 Hz. Category of AS-2, AC-3, AC-4 Rated current ... of auxiliary contacts in the mode of AC-15, ...