
HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 112: ALTERNATING CURRENT HIGH-SPEED EARTHING SWITCHES FOR SECONDARY ARC EXTINCTION ON TRANSMISSION LINES
出版:International Electrotechnical Committee

專家解讀視頻
Pertains 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.
DIN EN 62271-112 : 2014 - Identical
PN EN 62271-112 : 2014 - Identical
DS EN 62271-112 : 2013 - Identical
VDE 0671-112 : 2014 - Identical
NBN EN 62271-112 : 2013 - Identical
NF EN 62271-112 : 2014 - Identical
NEN EN IEC 62271-112 : 2013 - Identical
BS EN 62271-112 : 2013 - Identical
SANS 62271-112 : 1ED 2014 - Identical
CEI EN 62271-112 : 2014 - Identical