Surge arrester-10 - guard protective equipment!
Offer type: salePublished: 28.02.2015
The main devices that protect the insulation of electrical equipment from lightning and switching overvoltages, is considered valve arresters and surge arresters. LLC Northern Trading Company is a leading supplier of electrical equipment in the CIS - offers surge arrester designed for all classes of the mains voltage. For networks 10 kV surge arresters-10, respectively.
The principle of operation of surge arresters surge arrester consists of the following: at rated voltage in the network limiter does not pass current, representing the resistance of large magnitude, and transmits only a small leakage current (tenths of milliampere); if it exceeds a certain voltage level, the resistance of the limiter decreases sharply (share Ohms) and the races of the current passing through it does not produce hazardous voltage electrical equipment.
The greatest allowable continuous working voltage surge arresters surge arresters-10 - 12 kV. Nominal discharge current of 10 kA, the current bandwidth - 550 And 400 A.
Surge arresters-10 is designed for use outdoors in conditions of temperate and cold climate with temperatures ranging from -60 0C to +450C.
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