Bible Dictionaries
Underload Switch
Webster's Dictionary
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.
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Bibliography Information
Webster, Noah. Entry for 'Underload Switch'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​u/underload-switch.html. 1828.