selector vs selector switch

selector and selector switch both are nouns.

Word	Noun	Adjective	Verb	Adverb
selector	Yes	No	No	No
selector switch	Yes	No	No	No

As nouns, selector and selector switch are synonyms defined as:

selector and selector switch: a switch that is used to select among alternatives

selector (noun)	selector switch (noun)
a switch that is used to select among alternatives	a switch that is used to select among alternatives
a person who chooses or selects out