SR EN 62271-112:2014

High-voltage switchgear and controlgear -- Part 112: Alternating current high-speed earthing switches for secondary arc extinction on transmission lines

IEC 62271-112:2013 applies to a.c. high-speed earthing switches designed for indoor and outdoor installation and for operation at service frequencies of 50 Hz and 60 Hz on systems having voltages of 550 kV and above. High-speed earthing switches described in this standard are intended to extinguish the secondary arc remaining after clearing faults on transmission lines by the circuit-breakers.

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General information

Status : Withdrawn
Approval date : 5/30/2014
Withdrawal date : 8/17/2024
Number of pages : 60
ICS : 29.130.10 High voltage switcgear and controlgear,29.130.99 Other switchgear and controlgear
Technical Committee : 8 - High-voltage switchgear and controlgear and testing techniques, instrument transformers

Relations with other standards:

Replaced by SR EN IEC 62271-112:2021