Cover E DIN EN IEC 62271-112 VDE 0671-112:2020-10

E DIN EN IEC 62271-112 VDE 0671-112:2020-10

* German Language Version *

High-voltage switchgear and controlgear

Part 112: Alternating current high-speed earthing switches for secondary arc extinction on transmission lines

(IEC 17A/1257/CD:2020); Text in German and English
Class/Status: Draft, valid
Released: 2020-10   Published: 2020-09-11
VDE Art. No.: 1600325
End of objection deadline: 2020-11-11

This part of IEC 62271 applies to AC 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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