Switching capacitors and capacitor banks. Switching devices with high inrush current that require a reduction in inrush current. Contactors KMI-K values ranging from 25 kVAr and above use the power contacts of the composite alloy of cadmium oxide and silver CdOAg85. These materials are not chemically combined, the smallest grains of cadmium oxide and silver are compressed and form a common composite alloy. Silver provides a low resistance of the contact pair and prevents the formation of an oxide film during operation, which gives a longer service life and low heating of the contacts. Oxide of cadmium interferes with the soldering contacts. The ratio of 85% silver by weight to 15% cadmium oxide is the best ratio for durable contact operation. Rated control supply voltage Us at AC 50HZ: 230Rated control supply voltage Us at DC: -Voltage type for actuating: EV000460Number of auxiliary contacts as normally open contact: 2Number of auxiliary contacts as normally closed contact: 1Connection type main current circuit: EV000154Number of main contacts as normally open contact: 3Number of normally closed contacts as main contact: 0Rated blind power at 400 V, 50 Hz: 54.0The switched Q loading at 230V 50Hz: 29.7The switched Q loading at 690V 50Hz: 78Nominal rated current: 78Switching wear resistance: 100000Admissible frequency of inclusions in an hour: 100Rated insulation voltage Ui: 690Rated surge voltage invariability: 6Nominal voltage AC: 230, 400, 690

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