AS 62271.110:2019 PDF
The objective of this Standard is to specify the applications of AC switching devices designed for indoor or outdoor installation, for operation at frequencies of 50 Hz and 60 Hz on systems having voltages above 1 000 V and applied for inductive current switching.
It is applicable to switching devices (including circuit-breakers in accordance with AS 62271.100) that are used to switch high-voltage motor currents and shunt reactor currents and also to high-voltage contactors used to switch high-voltage motor currents as covered by IEC 62271-106.
This Standard does not cover the following:
(a) Switching unloaded transformers, i.e. breaking transformer magnetizing current.
(b) Switching of tertiary reactors from the high-voltage side of the transformer.
(c) Switching of shunt reactors earthed through neutral reactors.
This Standard is an adoption with national modifications, and has been reproduced from, IEC 62271-110:2017, High-voltage switchgear and controlgear — Part 110: Inductive load switching and its Corrigendum 1 (2017) and Corrigendum 2 (2018). The modifications are additional requirements and are set out in Appendix ZZ, which has been added at the end of the source text.
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