Việt
rơle điện áp thấp
Anh
undervoltage
undervoltage relay
Undervoltage
Đức
Unterspannung
Pháp
manque de tension
subtension
undervoltage relay, Undervoltage
undervoltage /ENG-ELECTRICAL/
[DE] Unterspannung
[EN] undervoltage
[FR] manque de tension; subtension