underload switch
1Underload switch — (Elec.) A switch which opens a circuit when the current falls below a certain predetermined value, used to protect certain types of motors from running at excessive speed upon decrease of load. [Webster 1913 Suppl.] …
2underload switch — noun : a switch that opens a circuit when the current falls below a predetermined value and that is used to protect a motor from racing upon decrease of load …
3Underload starter — Un der*load start er (Elec.) A motor starter provided with an underload switch. [Webster 1913 Suppl.] …
4underload starter — noun : a motor starter provided with an underload switch …
5минимальный выключатель — — [Я.Н.Лугинский, М.С.Фези Жилинская, Ю.С.Кабиров. Англо русский словарь по электротехнике и электроэнергетике, Москва] Тематики электротехника, основные понятия EN underload switch …
