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This standard applies to hollow insulators made of ceramic material, with their fixing devices, intended for use with a permanent gas pressure greater than 0,5 bar having an internal volume equal to or greater than 1 litre (1000 cm3). They are intended for use in electrical equipment operating on alternating current with a rated voltage greater than 1000 V and a frequency not greater than 100 Hz or for use in direct current equipment with a rated voltage greater than 1500 V. The hollow insulators covered by this standard consist of hollow insulator bodies, open from end to end, with or without sheds. Note 1: the gas can be: dry air, inert gases, e.g. sulphur hexafluoride or nitrogen or a mixture of such gases. Note 2: the hollow insulators are intended for use in electrical equipment, for example: circuit-breakers, switch-disconnectors, disconnectors, earthing switches, instrument transformers, surge arresters, bushings, cable sealing ends. This standard supplements, and modifies if necessary HD 329 (IEC 233) which applies to the body of hollow insulators
Reģistrācijas numurs (WIID)
55921
Darbības sfēra
This standard applies to hollow insulators made of ceramic material, with their fixing devices, intended for use with a permanent gas pressure greater than 0,5 bar having an internal volume equal to or greater than 1 litre (1000 cm3). They are intended for use in electrical equipment operating on alternating current with a rated voltage greater than 1000 V and a frequency not greater than 100 Hz or for use in direct current equipment with a rated voltage greater than 1500 V. The hollow insulators covered by this standard consist of hollow insulator bodies, open from end to end, with or without sheds. Note 1: the gas can be: dry air, inert gases, e.g. sulphur hexafluoride or nitrogen or a mixture of such gases. Note 2: the hollow insulators are intended for use in electrical equipment, for example: circuit-breakers, switch-disconnectors, disconnectors, earthing switches, instrument transformers, surge arresters, bushings, cable sealing ends. This standard supplements, and modifies if necessary HD 329 (IEC 233) which applies to the body of hollow insulators
